/* ================================================================
   پالس — اپلیکیشن تناسب اندام
   styles.css — سیستم طراحی گلس‌مورفیسم تیره + پشتیبانی فارسی RTL
   ================================================================ */

/* ================================================================
   0. فونت Vazirmatn (فارسی)
   ================================================================ */
@font-face {
  font-family: 'Vazirmatn';
  src: url('fonts/Vazirmatn-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Vazirmatn';
  src: url('fonts/Vazirmatn-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Vazirmatn';
  src: url('fonts/Vazirmatn-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Vazirmatn';
  src: url('fonts/Vazirmatn-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Vazirmatn';
  src: url('fonts/Vazirmatn-ExtraBold.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* ================================================================
   1. توکن‌های طراحی (CSS Custom Properties)
   ================================================================ */
:root {
  /* --- رنگ‌ها --- */
  --color-bg: #000000;
  --color-bg-elevated: #0A0A0B;
  --color-surface: rgba(255, 255, 255, 0.05);
  --color-surface-hover: rgba(255, 255, 255, 0.08);
  --color-surface-active: rgba(255, 255, 255, 0.12);
  --color-border: rgba(255, 255, 255, 0.10);
  --color-border-strong: rgba(255, 255, 255, 0.18);

  --color-text-primary: #FFFFFF;
  --color-text-secondary: rgba(255, 255, 255, 0.72);
  --color-text-tertiary: rgba(255, 255, 255, 0.48);
  --color-text-muted: rgba(255, 255, 255, 0.30);

  /* رنگ‌های برند */
  --color-orange: #FF5722;
  --color-orange-soft: rgba(255, 87, 34, 0.15);
  --color-orange-glow: rgba(255, 87, 34, 0.40);
  --color-crimson: #DC143C;
  --color-crimson-soft: rgba(220, 20, 60, 0.15);
  --color-crimson-glow: rgba(220, 20, 60, 0.40);

  /* رنگ‌های عملکردی */
  --color-success: #00E676;
  --color-success-soft: rgba(0, 230, 118, 0.15);
  --color-warning: #FFB300;
  --color-warning-soft: rgba(255, 179, 0, 0.15);
  --color-info: #40C4FF;
  --color-info-soft: rgba(64, 196, 255, 0.15);
  --color-danger: #FF1744;
  --color-danger-soft: rgba(255, 23, 68, 0.15);

  /* گرادیان‌ها */
  --gradient-brand: linear-gradient(135deg, #FF5722 0%, #DC143C 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(255,87,34,0.2) 0%, rgba(220,20,60,0.2) 100%);
  --gradient-brand-animated: linear-gradient(135deg, #FF5722, #DC143C, #FF5722);
  --gradient-brand-animated-size: 200% 200%;

  /* --- تایپوگرافی --- */
  --font-sans: 'Vazirmatn', 'IRANSans', 'Segoe UI', Tahoma, system-ui, -apple-system, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  --leading-tight: 1.2;
  --leading-normal: 1.5;

  /* --- فاصله (سیستم ۸ پیکسلی) --- */
  --space-0: 0px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* --- شعاع گوشه --- */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* --- سایه‌ها --- */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4), 0 1px 3px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5), 0 4px 8px rgba(0,0,0,0.3);
  --shadow-xl: 0 24px 48px rgba(0,0,0,0.6), 0 8px 16px rgba(0,0,0,0.4);
  --shadow-glow-orange: 0 0 24px rgba(255, 87, 34, 0.35);
  --shadow-glow-crimson: 0 0 24px rgba(220, 20, 60, 0.35);
  --shadow-glow-brand: 0 4px 24px rgba(255, 87, 34, 0.3), 0 4px 24px rgba(220, 20, 60, 0.2);

  /* --- ابعاد چیدمان --- */
  --header-height: 64px;
  --nav-height: 72px;
  --max-width: 480px;
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);

  /* --- انتقال‌ها --- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;

  /* --- z-index --- */
  --z-base: 1;
  --z-header: 100;
  --z-nav: 200;
  --z-fab: 150;
  --z-toast: 500;
  --z-modal: 1000;
  --z-celebration: 2000;
}

/* حالت کنتراست بالا */
body.high-contrast {
  --color-text-secondary: rgba(255, 255, 255, 0.92);
  --color-text-tertiary: rgba(255, 255, 255, 0.75);
  --color-text-muted: rgba(255, 255, 255, 0.60);
  --color-surface: rgba(255, 255, 255, 0.08);
  --color-border: rgba(255, 255, 255, 0.20);
}

/* ================================================================
   2. ریست و استایل پایه
   ================================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(255, 87, 34, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 50% 110%, rgba(220, 20, 60, 0.10), transparent);
  background-attachment: fixed;
  padding-top: var(--safe-area-top);
  direction: rtl;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  -webkit-tap-highlight-color: transparent;
}

input, select, textarea {
  -webkit-appearance: none;
  appearance: none;
}

svg { display: block; }

.hidden { display: none !important; }

/* اسکرول‌بار سفارشی */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border-strong); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* اعداد فارسی - تنظیم خودکار با ویژگی font-feature */
.nums-fa { font-variant-numeric: tabular-nums; }

/* ================================================================
   3. صفحه بارگذاری / اسپلش
   ================================================================ */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  background: var(--color-bg);
  background-image:
    radial-gradient(ellipse 100% 60% at 50% 50%, rgba(255, 87, 34, 0.18), transparent 70%);
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}

.loading-screen.fade-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading-logo {
  animation: breathing 2s var(--ease-in-out) infinite;
}

@keyframes breathing {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 12px rgba(255,87,34,0.4)); }
  50% { transform: scale(1.12); filter: drop-shadow(0 0 32px rgba(255,87,34,0.7)); }
}

.loading-title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  letter-spacing: 0.1em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-top: var(--space-4);
}

.loading-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  letter-spacing: 0.05em;
}

.loading-bar {
  width: 120px;
  height: 3px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--space-6);
}

.loading-bar-fill {
  height: 100%;
  width: 40%;
  background: var(--gradient-brand);
  border-radius: var(--radius-full);
  animation: loadbar 1.4s var(--ease-in-out) infinite;
}

@keyframes loadbar {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ================================================================
   4. بدنه اپ و چیدمان
   ================================================================ */
.app {
  min-height: 100vh;
  min-height: 100dvh;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  position: relative;
  padding-bottom: calc(var(--nav-height) + var(--safe-area-bottom) + var(--space-2));
}

/* ================================================================
   5. هدر
   ================================================================ */
.app-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  min-height: var(--header-height);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 8px rgba(255,87,34,0.3));
}

.header-titles { display: flex; flex-direction: column; gap: 2px; }

.header-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.header-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  font-weight: var(--font-medium);
}

.header-right { display: flex; align-items: center; gap: var(--space-2); }

.icon-btn {
  position: relative;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--duration-fast) var(--ease-out);
  overflow: hidden;
}

.icon-btn:hover, .icon-btn:focus-visible {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
  transform: translateY(-1px);
}

.icon-btn:active { transform: scale(0.92); }

.icon-btn-sm {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--duration-fast) var(--ease-out);
}

.icon-btn-sm:hover { background: var(--color-surface-hover); color: var(--color-text-primary); }
.icon-btn-sm:active { transform: scale(0.90); }
.icon-btn-sm.danger:hover { color: var(--color-danger); background: var(--color-danger-soft); }

.badge-count {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: var(--font-bold);
  background: var(--gradient-brand);
  color: #fff;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-glow-brand);
  animation: badgePulse 2s var(--ease-in-out) infinite;
}

@keyframes badgePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,87,34,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(255,87,34,0); }
}

/* ================================================================
   6. ظرف صفحه و انتقال‌ها
   ================================================================ */
.page-container {
  flex: 1;
  position: relative;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.page {
  display: none;
  flex-direction: column;
  gap: var(--space-4);
  animation: pageEnter var(--duration-normal) var(--ease-out);
}

.page.active { display: flex; }

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateX(-24px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

body.reduce-motion .page,
body.reduce-motion .loading-logo,
body.reduce-motion .loading-bar-fill,
body.reduce-motion .badge-count {
  animation: none !important;
}

body.reduce-motion * {
  transition-duration: 0.01ms !important;
}

/* ================================================================
   7. کارت‌ها (گلس‌مورفیسم)
   ================================================================ */
.card {
  background: var(--color-surface);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  pointer-events: none;
}

.section-card { padding: var(--space-5); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  letter-spacing: -0.01em;
}

.card-actions { display: flex; gap: var(--space-2); }

.card-badge {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--color-success-soft);
  color: var(--color-success);
}

.card-badge.negative { background: var(--color-danger-soft); color: var(--color-danger); }

/* ================================================================
   8. کارت سلام
   ================================================================ */
.greeting-card {
  background: var(--gradient-brand-soft);
  border: 1px solid rgba(255, 87, 34, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
}

.greeting-card::after {
  content: "";
  position: absolute;
  top: -40%;
  left: -20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255,87,34,0.25), transparent 70%);
  pointer-events: none;
}

.greeting-hello {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-medium);
}

.greeting-name {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  letter-spacing: -0.02em;
  margin-top: 2px;
}

.greeting-date {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  text-align: left;
  font-weight: var(--font-medium);
  z-index: 1;
}

/* ================================================================
   9. آمار سریع
   ================================================================ */
.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.quick-stat-card {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  text-align: center;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.quick-stat-card:active { transform: scale(0.95); }

.quick-stat-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-1);
  background: var(--color-orange-soft);
  color: var(--color-orange);
}

.quick-stat-value {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.quick-stat-value .unit {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-tertiary);
  margin-right: 2px;
}

.quick-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  font-weight: var(--font-medium);
}

/* ================================================================
   10. دکمه‌های شناور (FAB)
   ================================================================ */
.fab-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.fab {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  min-height: 56px;
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: #fff;
  background: var(--gradient-brand);
  background-size: var(--gradient-brand-animated-size);
  box-shadow: var(--shadow-glow-brand), var(--shadow-lg);
  transition: all var(--duration-normal) var(--ease-spring);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  animation: fabGradient 6s var(--ease-in-out) infinite;
}

@keyframes fabGradient {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.fab:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(255,87,34,0.45), var(--shadow-lg); }
.fab:active { transform: scale(0.97); }

.fab-secondary {
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-md);
  animation: none;
}

.fab-secondary:hover { background: var(--color-surface-hover); border-color: var(--color-orange); }

.fab-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.fab-half {
  padding: var(--space-3) var(--space-4);
  min-height: 48px;
  font-size: var(--text-sm);
}

/* افکت ریپل */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: scale(0);
  animation: rippleAnim 0.6s var(--ease-out);
  pointer-events: none;
}

@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* ================================================================
   11. دکمه‌ها
   ================================================================ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  min-height: 48px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  transition: all var(--duration-fast) var(--ease-out);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--gradient-brand);
  background-size: var(--gradient-brand-animated-size);
  color: #fff;
  box-shadow: var(--shadow-md), 0 0 16px rgba(255,87,34,0.2);
  animation: fabGradient 6s var(--ease-in-out) infinite;
}

.btn-primary:hover { box-shadow: var(--shadow-lg), 0 0 24px rgba(255,87,34,0.35); transform: translateY(-1px); }

.btn-outline {
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-primary);
}

.btn-outline:hover { background: var(--color-surface-hover); border-color: var(--color-text-muted); }

.btn-block { width: 100%; }

.danger-btn { color: var(--color-danger); border-color: var(--color-danger-soft); }
.danger-btn:hover { background: var(--color-danger-soft); }

.text-btn {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-orange);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
}

.text-btn:hover { background: var(--color-orange-soft); }

/* ================================================================
   12. فرم‌ها
   ================================================================ */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
}

.form-input, .form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  min-height: 48px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  transition: all var(--duration-fast) var(--ease-out);
  outline: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px var(--color-orange-soft);
  background: rgba(0, 0, 0, 0.5);
}

.form-input::placeholder { color: var(--color-text-muted); }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2'%3E%3Cpath d='M6 9 l6 6 l6-6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 12px center;
  padding-left: 40px;
}

.form-select option { background: var(--color-bg-elevated); color: var(--color-text-primary); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.form-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--color-surface-active);
  border-radius: var(--radius-full);
  outline: none;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  background: var(--gradient-brand);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-glow-brand);
  transition: transform var(--duration-fast);
}

.form-range::-webkit-slider-thumb:active { transform: scale(1.2); }

.form-range::-moz-range-thumb {
  width: 24px;
  height: 24px;
  background: var(--gradient-brand);
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

/* کنترل سگمنت */
.segmented {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
  flex-wrap: wrap;
}

.seg-btn {
  flex: 1;
  min-width: 60px;
  padding: var(--space-2) var(--space-3);
  min-height: 40px;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-tertiary);
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-out);
  white-space: nowrap;
}

.seg-btn:hover { color: var(--color-text-secondary); }

.seg-btn.active {
  background: var(--gradient-brand);
  color: #fff;
  font-weight: var(--font-semibold);
  box-shadow: var(--shadow-sm), 0 0 12px rgba(255,87,34,0.25);
}

.mode-selector { margin-bottom: var(--space-2); }
.mode-selector .seg-btn { font-size: var(--text-xs); padding: var(--space-2); }

/* سوییچ */
.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 28px;
  flex-shrink: 0;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-surface-active);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: var(--duration-normal) var(--ease-out);
}

.slider::before {
  content: "";
  position: absolute;
  height: 20px;
  width: 20px;
  right: 3px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-text-tertiary);
  border-radius: 50%;
  transition: var(--duration-normal) var(--ease-spring);
}

.switch input:checked + .slider { background: var(--gradient-brand); border-color: transparent; }
.switch input:checked + .slider::before { transform: translateY(-50%) translateX(-20px); background: #fff; }

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

.toggle-row:last-child { border-bottom: none; }

.toggle-info { display: flex; flex-direction: column; gap: 2px; }
.toggle-title { font-size: var(--text-sm); font-weight: var(--font-medium); }
.toggle-desc { font-size: var(--text-xs); color: var(--color-text-tertiary); }

/* ================================================================
   13. برنامه امروز و لیست تمرینات (طراحی حرفه‌ای)
   ================================================================ */
.today-plan-content { display: flex; flex-direction: column; gap: var(--space-3); }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  color: var(--color-text-tertiary);
}

.empty-state svg { opacity: 0.3; }
.empty-state p { font-size: var(--text-sm); }

.empty-text {
  text-align: center;
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
  padding: var(--space-4);
}

/* کارت تمرین حرفه‌ای */
.exercise-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.exercise-item:hover {
  background: rgba(0, 0, 0, 0.4);
  border-color: var(--color-orange);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.exercise-item::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.exercise-item:hover::before { opacity: 1; }

.exercise-num {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-orange-soft);
  color: var(--color-orange);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.exercise-info { flex: 1; min-width: 0; }
.exercise-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.exercise-fa-name {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
  font-weight: var(--font-normal);
}

.exercise-meta {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.exercise-meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: var(--color-surface-active);
  font-size: 10px;
  font-weight: var(--font-medium);
}

.exercise-meta-chip.muscle { background: var(--color-orange-soft); color: var(--color-orange); }
.exercise-meta-chip.type { background: var(--color-info-soft); color: var(--color-info); }

.exercise-actions { display: flex; gap: var(--space-1); }

/* کارت روز در برنامه‌ریز */
.plan-info { margin-bottom: var(--space-4); }

.plan-info .plan-name { font-size: var(--text-lg); font-weight: var(--font-bold); }
.plan-info .plan-meta { font-size: var(--text-sm); color: var(--color-text-tertiary); margin-top: 4px; }

.plan-days { display: flex; flex-direction: column; gap: var(--space-3); }

.day-card {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--duration-fast);
}

.day-card:hover { border-color: var(--color-border-strong); }

.day-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: background var(--duration-fast);
}

.day-card-header:hover { background: rgba(255,255,255,0.03); }

.day-card-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.day-card-status {
  font-size: var(--text-xs);
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-weight: var(--font-semibold);
}

.day-card-status.scheduled { background: var(--color-info-soft); color: var(--color-info); }
.day-card-status.completed { background: var(--color-success-soft); color: var(--color-success); }
.day-card-status.missed { background: var(--color-danger-soft); color: var(--color-danger); }

.day-card-chevron { transition: transform var(--duration-normal); color: var(--color-text-tertiary); }
.day-card.expanded .day-card-chevron { transform: rotate(180deg); }

.day-card-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) var(--ease-out);
}

.day-card.expanded .day-card-body { max-height: 3000px; }

.day-card-exercises {
  padding: 0 var(--space-4) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.day-card-actions {
  display: flex;
  gap: var(--space-2);
  padding: 0 var(--space-4) var(--space-3);
}

.day-card-actions .btn { flex: 1; min-height: 40px; font-size: var(--text-xs); }

/* ================================================================
   14. نمودار
   ================================================================ */
.chart-wrapper {
  position: relative;
  width: 100%;
  margin-top: var(--space-2);
}

.chart-wrapper canvas {
  width: 100% !important;
  height: auto !important;
  display: block;
}

/* ================================================================
   15. لیست فعالیت‌ها
   ================================================================ */
.activity-list { display: flex; flex-direction: column; gap: var(--space-2); max-height: 320px; overflow-y: auto; }

.activity-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--duration-fast);
}

.activity-item:hover { background: rgba(0,0,0,0.4); border-color: var(--color-border-strong); transform: translateY(-1px); }

.activity-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-orange-soft);
  color: var(--color-orange);
  flex-shrink: 0;
}

.activity-info { flex: 1; min-width: 0; }
.activity-title { font-size: var(--text-sm); font-weight: var(--font-semibold); }
.activity-sub { font-size: var(--text-xs); color: var(--color-text-tertiary); }

.activity-volume {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-orange);
  text-align: left;
  font-variant-numeric: tabular-nums;
}

/* ================================================================
   16. صفحه تایمر
   ================================================================ */
.timer-display-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-4) 0;
  padding: var(--space-4);
}

.timer-ring {
  filter: drop-shadow(0 0 24px rgba(255, 87, 34, 0.3));
  transition: filter var(--duration-normal);
}

.timer-ring.rest-phase { filter: drop-shadow(0 0 24px rgba(64, 196, 255, 0.3)); }
.timer-ring.pulse { animation: timerPulse 0.6s var(--ease-out); }

@keyframes timerPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.timer-center {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.timer-time {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.timer-phase {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-orange);
  letter-spacing: 0.05em;
  margin-top: var(--space-2);
}

.timer-phase.rest { color: var(--color-info); }

.timer-round {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
}

.timer-config { margin-top: var(--space-2); }

.timer-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin: var(--space-4) 0;
}

.timer-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: all var(--duration-normal) var(--ease-spring);
  -webkit-tap-highlight-color: transparent;
  position: relative;
  overflow: hidden;
}

.timer-btn.primary {
  width: 80px;
  height: 80px;
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-glow-brand), var(--shadow-lg);
}

.timer-btn.primary:hover { transform: scale(1.05); }
.timer-btn.primary:active { transform: scale(0.92); }

.timer-btn.secondary {
  width: 56px;
  height: 56px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-secondary);
}

.timer-btn.secondary:hover { background: var(--color-surface-hover); color: var(--color-text-primary); }
.timer-btn.secondary:active { transform: scale(0.90); }

/* ================================================================
   17. ماشین‌حساب‌ها
   ================================================================ */
.calc-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.calc-result-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-3);
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.calc-label { font-size: var(--text-xs); color: var(--color-text-tertiary); font-weight: var(--font-medium); }
.calc-value { font-size: var(--text-xl); font-weight: var(--font-bold); color: var(--color-orange); font-variant-numeric: tabular-nums; }
.calc-value.large { font-size: var(--text-3xl); }
.calc-sub { font-size: var(--text-xs); color: var(--color-text-tertiary); }

.rm-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-5);
  background: var(--gradient-brand-soft);
  border: 1px solid rgba(255,87,34,0.2);
  border-radius: var(--radius-md);
  text-align: center;
}

/* ================================================================
   18. لیست رکوردها
   ================================================================ */
.pr-list { display: flex; flex-direction: column; gap: var(--space-2); }

.pr-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
}

.pr-item:hover { border-color: var(--color-warning); }

.pr-medal {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-warning-soft);
  color: var(--color-warning);
  flex-shrink: 0;
}

.pr-info { flex: 1; min-width: 0; }
.pr-name { font-size: var(--text-sm); font-weight: var(--font-semibold); }
.pr-date { font-size: var(--text-xs); color: var(--color-text-tertiary); }

.pr-value {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-orange);
  font-variant-numeric: tabular-nums;
}

/* ================================================================
   19. شبکه نشان‌ها
   ================================================================ */
.badge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-out);
}

.badge-item.unlocked {
  background: var(--gradient-brand-soft);
  border-color: rgba(255,87,34,0.3);
  animation: badgeUnlock 0.6s var(--ease-spring);
}

@keyframes badgeUnlock {
  0% { transform: scale(0.8); opacity: 0; }
  50% { transform: scale(1.08); }
  100% { transform: scale(1); opacity: 1; }
}

.badge-item.unlocked .badge-icon { filter: drop-shadow(0 0 8px rgba(255,87,34,0.4)); }

.badge-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: grayscale(1) opacity(0.4);
}

.badge-item.unlocked .badge-icon { filter: none; }

.badge-name {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
}

.badge-item.unlocked .badge-name { color: var(--color-text-primary); }

.badge-desc { font-size: 10px; color: var(--color-text-tertiary); line-height: 1.2; }

/* ================================================================
   20. تنظیمات
   ================================================================ */
.about-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.about-row:last-of-type { border-bottom: none; }
.about-value { font-weight: var(--font-semibold); color: var(--color-text-secondary); }

.schema-hint { font-size: var(--text-xs); color: var(--color-text-tertiary); margin-bottom: var(--space-2); }

.code-block {
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  overflow-x: auto;
  white-space: pre;
  line-height: 1.5;
  max-height: 280px;
  overflow-y: auto;
  direction: ltr;
  text-align: left;
}

/* ================================================================
   21. ناوبری پایین
   ================================================================ */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--max-width);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: var(--space-2) var(--space-2) calc(var(--space-2) + var(--safe-area-bottom));
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-top: 1px solid var(--color-border);
}

.nav-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  flex: 1;
  min-height: 56px;
  padding: var(--space-1);
  color: var(--color-text-tertiary);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
}

.nav-item span {
  font-size: 10px;
  font-weight: var(--font-medium);
}

.nav-item:hover { color: var(--color-text-secondary); }

.nav-item.active { color: var(--color-text-primary); }

.nav-item.active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 32px;
  background: var(--gradient-brand-soft);
  border: 1px solid rgba(255,87,34,0.25);
  border-radius: var(--radius-full);
  z-index: -1;
  animation: navPillEnter var(--duration-normal) var(--ease-spring);
}

@keyframes navPillEnter {
  from { transform: translateX(-50%) scaleX(0.5); opacity: 0; }
  to { transform: translateX(-50%) scaleX(1); opacity: 1; }
}

.nav-item.active svg {
  color: var(--color-orange);
  transform: scale(1.1);
  transition: transform var(--duration-normal) var(--ease-spring);
  filter: drop-shadow(0 0 6px rgba(255,87,34,0.4));
}

/* ================================================================
   22. توست
   ================================================================ */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + var(--safe-area-top) + var(--space-3));
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: calc(100% - var(--space-8));
  max-width: 400px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: rgba(20, 20, 22, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-primary);
  pointer-events: auto;
  animation: toastIn var(--duration-normal) var(--ease-spring);
}

.toast.removing { animation: toastOut var(--duration-fast) var(--ease-in-out) forwards; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  to { opacity: 0; transform: translateY(-20px) scale(0.95); }
}

.toast-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.toast.success { border-right: 3px solid var(--color-success); }
.toast.success .toast-icon { background: var(--color-success-soft); color: var(--color-success); }

.toast.error { border-right: 3px solid var(--color-danger); }
.toast.error .toast-icon { background: var(--color-danger-soft); color: var(--color-danger); }

.toast.warning { border-right: 3px solid var(--color-warning); }
.toast.warning .toast-icon { background: var(--color-warning-soft); color: var(--color-warning); }

.toast.info { border-right: 3px solid var(--color-info); }
.toast.info .toast-icon { background: var(--color-info-soft); color: var(--color-info); }

/* ================================================================
   23. مودال‌ها
   ================================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: overlayIn var(--duration-normal) var(--ease-out);
}

@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }

.modal-content {
  width: 100%;
  max-width: var(--max-width);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-xl);
  animation: modalIn var(--duration-normal) var(--ease-spring);
  overflow: hidden;
}

@keyframes modalIn {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.modal-title { font-size: var(--text-lg); font-weight: var(--font-bold); }

.modal-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.modal-footer {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
  padding-bottom: calc(var(--space-4) + var(--safe-area-bottom));
}

.modal-footer .btn { flex: 1; }

.session-modal { max-height: 95vh; }

/* هدر مودال جلسه با تایمر مدت */
.session-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
}

.session-duration-display {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-orange);
  font-variant-numeric: tabular-nums;
  margin-top: 2px;
  padding: 2px 10px;
  background: var(--color-orange-soft);
  border-radius: var(--radius-full);
}

.session-duration-display svg { color: var(--color-orange); }

/* نوار پیشرفت کلی جلسه */
.session-progress-bar {
  position: relative;
  height: 36px;
  flex-shrink: 0;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.session-progress-fill {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  background: var(--gradient-brand);
  background-size: var(--gradient-brand-animated-size);
  animation: fabGradient 4s var(--ease-in-out) infinite;
  border-radius: var(--radius-md);
  transition: width 0.5s var(--ease-out);
  min-width: 0;
}

.session-progress-text {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.6);
  font-variant-numeric: tabular-nums;
}

/* ================================================================
   24. مودال جلسه - ردیف ست و تمرین
   ================================================================ */
.session-exercise {
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  min-width: 0;
}

.session-exercise.completed {
  border-color: var(--color-success);
  background: var(--color-success-soft);
}

.session-exercise.completed::after {
  content: '✓';
  position: absolute;
  top: 8px;
  left: 8px;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-success);
  color: #fff;
  border-radius: 50%;
  font-size: 14px;
  font-weight: bold;
  animation: checkPop 0.4s var(--ease-spring);
}

@keyframes checkPop {
  0% { transform: scale(0); }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* آیکون گروه عضلانی در مودال جلسه */
.session-exercise-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: var(--color-orange-soft);
  color: var(--color-orange);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.session-exercise-icon.chest { background: rgba(255, 87, 34, 0.15); color: #FF5722; }
.session-exercise-icon.back { background: rgba(33, 150, 243, 0.15); color: #2196F3; }
.session-exercise-icon.legs { background: rgba(76, 175, 80, 0.15); color: #4CAF50; }
.session-exercise-icon.shoulders { background: rgba(255, 152, 0, 0.15); color: #FF9800; }
.session-exercise-icon.biceps { background: rgba(156, 39, 176, 0.15); color: #9C27B0; }
.session-exercise-icon.triceps { background: rgba(0, 188, 212, 0.15); color: #00BCD4; }
.session-exercise-icon.core { background: rgba(255, 193, 7, 0.15); color: #FFC107; }
.session-exercise-icon.glutes { background: rgba(233, 30, 99, 0.15); color: #E91E63; }

.session-cues {
  margin: var(--space-2) 0;
  font-size: var(--text-xs) !important;
}

.session-exercise-meta {
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
}

.session-exercise-meta .exercise-meta-chip { font-size: 10px; }

.session-set-header {
  margin-bottom: 4px;
  opacity: 0.7;
}

.session-exercise-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  gap: var(--space-2);
}

.session-exercise-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  flex: 1;
}

.session-exercise-fa {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
  font-weight: var(--font-normal);
}

.session-exercise-target {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-align: left;
  white-space: nowrap;
}

.set-row {
  display: grid;
  grid-template-columns: 36px 1fr 1fr;
  gap: 6px;
  align-items: center;
  margin-bottom: var(--space-2);
  overflow: hidden;
  min-width: 0;
}

/* دکمه شماره ست — کلیک برای تکمیل */
.set-num-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.4);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-spring);
  font-variant-numeric: tabular-nums;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  box-sizing: border-box;
}

.set-num-btn:hover {
  border-color: var(--color-orange);
  color: var(--color-orange);
  background: var(--color-orange-soft);
  transform: scale(1.05);
}

.set-num-btn:active { transform: scale(0.92); }

.set-num-btn.completed {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
  box-shadow: 0 0 12px rgba(0, 230, 118, 0.4);
  animation: checkBounce 0.4s var(--ease-spring);
}

.set-num {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-text-tertiary);
  text-align: center;
}

.set-input {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  text-align: center;
  min-height: 36px;
  outline: none;
  transition: border-color var(--duration-fast);
  font-variant-numeric: tabular-nums;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.set-input:focus { border-color: var(--color-orange); box-shadow: 0 0 0 2px var(--color-orange-soft); }

.set-input:disabled {
  opacity: 0.5;
  text-decoration: line-through;
}

/* دکمه تیک ست - حرفه‌ای */
.set-toggle {
  background: rgba(0,0,0,0.4);
  border: 2px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--duration-normal) var(--ease-spring);
  position: relative;
  overflow: hidden;
}

.set-toggle:hover {
  border-color: var(--color-success);
  color: var(--color-success);
  background: var(--color-success-soft);
}

.set-toggle:active { transform: scale(0.92); }

.set-toggle.completed {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
  box-shadow: 0 0 12px rgba(0, 230, 118, 0.4);
  animation: checkBounce 0.4s var(--ease-spring);
}

@keyframes checkBounce {
  0% { transform: scale(1); }
  40% { transform: scale(1.15); }
  70% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

/* افکت پالس موفقیت هنگام تیک زدن */
.set-success-pulse {
  animation: successPulse 0.6s var(--ease-out) !important;
}

@keyframes successPulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7); }
  100% { box-shadow: 0 0 0 16px rgba(0, 230, 118, 0); }
}

/* ردیف ست — بدون انیمیشن translateX برای جلوگیری از اسکرول افقی */
.set-row-animated {
  animation: setRowFade 0.3s var(--ease-out) both;
}

@keyframes setRowFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ردیف ست تکمیل‌شده */
.set-row.set-done {
  opacity: 0.65;
}

.set-row.set-done .set-input {
  background: var(--color-success-soft);
  border-color: var(--color-success);
}

.set-label { font-size: 10px; color: var(--color-text-tertiary); text-align: center; }

.rpe-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.rpe-row label { font-size: var(--text-xs); color: var(--color-text-tertiary); font-weight: var(--font-medium); }

.rpe-pills { display: flex; gap: 4px; flex-wrap: wrap; }

.rpe-pill {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-text-secondary);
  transition: all var(--duration-fast);
  font-variant-numeric: tabular-nums;
}

.rpe-pill:hover { background: var(--color-surface-hover); }
.rpe-pill.selected { background: var(--gradient-brand); color: #fff; border-color: transparent; }
.rpe-pill.high { color: var(--color-danger); }
.rpe-pill.high.selected { background: var(--color-danger); }

/* ================================================================ */
/* 25. ویجت تایمر استراحت درون مودال جلسه                           */
/* ================================================================ */
.rest-timer-widget {
  background: var(--color-info-soft);
  border-bottom: 1px solid rgba(64, 196, 255, 0.3);
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: slideDown var(--duration-normal) var(--ease-out);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-100%); }
  to { opacity: 1; transform: translateY(0); }
}

.rest-timer-bar {
  flex: 1;
  height: 6px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.rest-timer-fill {
  height: 100%;
  background: linear-gradient(90deg, #4FC3F7, #00BCD4);
  border-radius: var(--radius-full);
  transition: width 0.2s linear;
  width: 100%;
}

.rest-timer-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
}

.rest-timer-label {
  font-size: 10px;
  color: var(--color-info);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rest-timer-time {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-info);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.rest-timer-controls {
  display: flex;
  gap: var(--space-1);
}

.rest-timer-btn {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-info);
  background: rgba(64, 196, 255, 0.1);
  border: 1px solid rgba(64, 196, 255, 0.3);
  border-radius: var(--radius-sm);
  min-height: 32px;
  transition: all var(--duration-fast);
}

.rest-timer-btn:hover { background: rgba(64, 196, 255, 0.2); }
.rest-timer-btn:active { transform: scale(0.92); }

/* ================================================================ */
/* 26. کتابخانه تمرینات                                              */
/* ================================================================ */
.exercise-lib-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: 50vh;
  overflow-y: auto;
}

.exercise-lib-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
  cursor: pointer;
}

.exercise-lib-item:hover {
  background: rgba(0,0,0,0.4);
  border-color: var(--color-orange);
}

/* جعبه آیکون گروه عضلانی در کتابخانه تمرینات */
.exercise-lib-icon-box {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
}

.exercise-lib-icon-box.chest { background: rgba(255, 87, 34, 0.15); color: #FF5722; }
.exercise-lib-icon-box.back { background: rgba(33, 150, 243, 0.15); color: #2196F3; }
.exercise-lib-icon-box.legs { background: rgba(76, 175, 80, 0.15); color: #4CAF50; }
.exercise-lib-icon-box.shoulders { background: rgba(255, 152, 0, 0.15); color: #FF9800; }
.exercise-lib-icon-box.biceps { background: rgba(156, 39, 176, 0.15); color: #9C27B0; }
.exercise-lib-icon-box.triceps { background: rgba(0, 188, 212, 0.15); color: #00BCD4; }
.exercise-lib-icon-box.core { background: rgba(255, 193, 7, 0.15); color: #FFC107; }
.exercise-lib-icon-box.glutes { background: rgba(233, 30, 99, 0.15); color: #E91E63; }
.exercise-lib-icon-box.general { background: var(--color-orange-soft); color: var(--color-orange); }

.exercise-lib-info { flex: 1; min-width: 0; }
.exercise-lib-name { font-size: var(--text-sm); font-weight: var(--font-semibold); }
.exercise-lib-fa { font-size: var(--text-xs); color: var(--color-text-tertiary); margin-top: 2px; }
.exercise-lib-cues {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
  line-height: 1.4;
  padding: var(--space-2);
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-sm);
  border-right: 2px solid var(--color-orange);
}

.exercise-lib-tags {
  display: flex;
  gap: 4px;
  margin-top: var(--space-2);
  flex-wrap: wrap;
}

.exercise-lib-tag {
  font-size: 10px;
  font-weight: var(--font-semibold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.exercise-lib-tag.muscle { background: var(--color-orange-soft); color: var(--color-orange); }
.exercise-lib-tag.equipment { background: var(--color-info-soft); color: var(--color-info); }
.exercise-lib-tag.level { background: var(--color-success-soft); color: var(--color-success); }

/* ================================================================ */
/* 27. مودال ورود دستی برنامه                                       */
/* ================================================================ */
.manual-plan-modal .modal-body { padding-bottom: var(--space-4); }

.manual-days-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.manual-day-card {
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.manual-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.manual-day-name-input {
  flex: 1;
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  min-height: 40px;
  outline: none;
}

.manual-day-name-input:focus { border-color: var(--color-orange); }

.manual-exercise-row {
  display: grid;
  grid-template-columns: 1fr 60px 60px 60px 32px;
  gap: var(--space-1);
  align-items: center;
  margin-bottom: var(--space-2);
}

.manual-exercise-row input {
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-1);
  color: var(--color-text-primary);
  font-size: var(--text-xs);
  min-height: 36px;
  outline: none;
  text-align: center;
}

.manual-exercise-row input:first-child { text-align: right; }

.manual-exercise-row input:focus { border-color: var(--color-orange); }

.manual-exercise-row .remove-ex-btn {
  width: 32px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-danger);
  background: var(--color-danger-soft);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
}

.manual-exercise-row .remove-ex-btn:hover { background: rgba(255, 23, 68, 0.25); }

.manual-exercise-header {
  display: grid;
  grid-template-columns: 1fr 60px 60px 60px 32px;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
  font-size: 10px;
  color: var(--color-text-tertiary);
  font-weight: var(--font-semibold);
}

.manual-exercise-header span { text-align: center; }
.manual-exercise-header span:first-child { text-align: right; }

/* ================================================================ */
/* 28. مودال جزئیات تاریخچه                                         */
/* ================================================================ */
.history-detail-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.history-detail-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-3);
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.history-detail-stat .label { font-size: var(--text-xs); color: var(--color-text-tertiary); }
.history-detail-stat .value { font-size: var(--text-lg); font-weight: var(--font-bold); color: var(--color-orange); font-variant-numeric: tabular-nums; }

.history-detail-exercise {
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-2);
}

.history-detail-exercise-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.history-detail-set {
  display: grid;
  grid-template-columns: 32px 1fr 1fr;
  gap: var(--space-2);
  font-size: var(--text-xs);
  padding: var(--space-1) 0;
}

.history-detail-set.completed { color: var(--color-success); }
.history-detail-set .skipped { color: var(--color-text-muted); text-decoration: line-through; }

/* ================================================================ */
/* 29. استریک هیرو (در مودال نشان‌ها)                               */
/* ================================================================ */
.streak-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-6);
  background: var(--gradient-brand-soft);
  border: 1px solid rgba(255,87,34,0.25);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.streak-flame {
  color: var(--color-orange);
  filter: drop-shadow(0 0 12px rgba(255,87,34,0.5));
  animation: breathing 2s var(--ease-in-out) infinite;
}

.streak-number {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.streak-label {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  letter-spacing: 0.05em;
  font-weight: var(--font-medium);
}

/* ================================================================ */
/* 30. جشن / کانفتی                                                 */
/* ================================================================ */
.celebration-layer {
  position: fixed;
  inset: 0;
  z-index: var(--z-celebration);
  pointer-events: none;
  overflow: hidden;
}

.confetti {
  position: absolute;
  width: 10px;
  height: 10px;
  top: -10px;
  animation: confettiFall var(--duration-slow) linear forwards;
}

@keyframes confettiFall {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

.pr-celebrate {
  animation: prPop 0.6s var(--ease-spring);
}

@keyframes prPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.08); box-shadow: 0 0 40px rgba(255,87,34,0.6); }
  100% { transform: scale(1); }
}

/* ================================================================ */
/* 31. بنر بار سبک (دِلود)                                          */
/* ================================================================ */
.deload-banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-warning-soft);
  border: 1px solid rgba(255, 179, 0, 0.3);
  border-radius: var(--radius-md);
  animation: slideDown var(--duration-normal) var(--ease-out);
}

.deload-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-warning);
  color: #000;
  flex-shrink: 0;
}

.deload-text { flex: 1; }
.deload-title { font-size: var(--text-sm); font-weight: var(--font-bold); color: var(--color-warning); }
.deload-desc { font-size: var(--text-xs); color: var(--color-text-secondary); margin-top: 2px; line-height: 1.4; }

/* ================================================================ */
/* 32. اسکلت لودر                                                   */
/* ================================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--color-surface) 25%, var(--color-surface-hover) 50%, var(--color-surface) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s var(--ease-in-out) infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-card {
  height: 80px;
  border-radius: var(--radius-lg);
}

/* ================================================================ */
/* 33. کلاس‌های کمکی                                                 */
/* ================================================================ */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.text-center { text-align: center; }
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-orange { color: var(--color-orange); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-tertiary { color: var(--color-text-tertiary); }
.font-bold { font-weight: var(--font-bold); }
.font-semibold { font-weight: var(--font-semibold); }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ================================================================ */
/* 34. رسپانسیو                                                     */
/* ================================================================ */
@media (max-width: 360px) {
  :root { --text-5xl: 3rem; }
  .quick-stats { gap: var(--space-2); }
  .quick-stat-card { padding: var(--space-2); }
  .badge-grid { gap: var(--space-2); }
  .manual-exercise-row { grid-template-columns: 1fr 50px 50px 50px 28px; }
  .manual-exercise-header { grid-template-columns: 1fr 50px 50px 50px 28px; }
}

@media (min-width: 768px) {
  .app { box-shadow: 0 0 80px rgba(0,0,0,0.5); }
}

*:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 2px;
}

button:focus-visible { outline-offset: 2px; }

button, .nav-item, .seg-btn, .fab { user-select: none; -webkit-user-select: none; }

@media (orientation: landscape) and (max-height: 500px) {
  .timer-display-wrapper { margin: var(--space-2) 0; }
  .timer-ring { width: 180px; height: 180px; }
  .timer-time { font-size: var(--text-4xl); }
}

/* ================================================================ */
/* 35. تم‌های رنگی                                                  */
/* ================================================================ */

/* تم نارنجی (پیش‌فرض) */
body.theme-orange {
  --color-orange: #FF5722;
  --color-crimson: #DC143C;
  --color-orange-soft: rgba(255, 87, 34, 0.15);
  --color-crimson-soft: rgba(220, 20, 60, 0.15);
  --color-orange-glow: rgba(255, 87, 34, 0.40);
  --color-crimson-glow: rgba(220, 20, 60, 0.40);
  --gradient-brand: linear-gradient(135deg, #FF5722 0%, #DC143C 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(255,87,34,0.2) 0%, rgba(220,20,60,0.2) 100%);
  --gradient-brand-animated: linear-gradient(135deg, #FF5722, #DC143C, #FF5722);
  --shadow-glow-brand: 0 4px 24px rgba(255, 87, 34, 0.3), 0 4px 24px rgba(220, 20, 60, 0.2);
}

/* تم آبی */
body.theme-blue {
  --color-orange: #2196F3;
  --color-crimson: #00BCD4;
  --color-orange-soft: rgba(33, 150, 243, 0.15);
  --color-crimson-soft: rgba(0, 188, 212, 0.15);
  --color-orange-glow: rgba(33, 150, 243, 0.40);
  --color-crimson-glow: rgba(0, 188, 212, 0.40);
  --gradient-brand: linear-gradient(135deg, #2196F3 0%, #00BCD4 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(33,150,243,0.2) 0%, rgba(0,188,212,0.2) 100%);
  --gradient-brand-animated: linear-gradient(135deg, #2196F3, #00BCD4, #2196F3);
  --shadow-glow-brand: 0 4px 24px rgba(33, 150, 243, 0.3), 0 4px 24px rgba(0, 188, 212, 0.2);
}

/* تم سبز */
body.theme-green {
  --color-orange: #4CAF50;
  --color-crimson: #00E676;
  --color-orange-soft: rgba(76, 175, 80, 0.15);
  --color-crimson-soft: rgba(0, 230, 118, 0.15);
  --color-orange-glow: rgba(76, 175, 80, 0.40);
  --color-crimson-glow: rgba(0, 230, 118, 0.40);
  --gradient-brand: linear-gradient(135deg, #4CAF50 0%, #00E676 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(76,175,80,0.2) 0%, rgba(0,230,118,0.2) 100%);
  --gradient-brand-animated: linear-gradient(135deg, #4CAF50, #00E676, #4CAF50);
  --shadow-glow-brand: 0 4px 24px rgba(76, 175, 80, 0.3), 0 4px 24px rgba(0, 230, 118, 0.2);
}

/* تم بنفش */
body.theme-purple {
  --color-orange: #9C27B0;
  --color-crimson: #E91E63;
  --color-orange-soft: rgba(156, 39, 176, 0.15);
  --color-crimson-soft: rgba(233, 30, 99, 0.15);
  --color-orange-glow: rgba(156, 39, 176, 0.40);
  --color-crimson-glow: rgba(233, 30, 99, 0.40);
  --gradient-brand: linear-gradient(135deg, #9C27B0 0%, #E91E63 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(156,39,176,0.2) 0%, rgba(233,30,99,0.2) 100%);
  --gradient-brand-animated: linear-gradient(135deg, #9C27B0, #E91E63, #9C27B0);
  --shadow-glow-brand: 0 4px 24px rgba(156, 39, 176, 0.3), 0 4px 24px rgba(233, 30, 99, 0.2);
}

/* تم طلایی */
body.theme-gold {
  --color-orange: #FF9800;
  --color-crimson: #FFC107;
  --color-orange-soft: rgba(255, 152, 0, 0.15);
  --color-crimson-soft: rgba(255, 193, 7, 0.15);
  --color-orange-glow: rgba(255, 152, 0, 0.40);
  --color-crimson-glow: rgba(255, 193, 7, 0.40);
  --gradient-brand: linear-gradient(135deg, #FF9800 0%, #FFC107 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(255,152,0,0.2) 0%, rgba(255,193,7,0.2) 100%);
  --gradient-brand-animated: linear-gradient(135deg, #FF9800, #FFC107, #FF9800);
  --shadow-glow-brand: 0 4px 24px rgba(255, 152, 0, 0.3), 0 4px 24px rgba(255, 193, 7, 0.2);
}

/* تم فیروزه‌ای */
body.theme-teal {
  --color-orange: #00BCD4;
  --color-crimson: #009688;
  --color-orange-soft: rgba(0, 188, 212, 0.15);
  --color-crimson-soft: rgba(0, 150, 136, 0.15);
  --color-orange-glow: rgba(0, 188, 212, 0.40);
  --color-crimson-glow: rgba(0, 150, 136, 0.40);
  --gradient-brand: linear-gradient(135deg, #00BCD4 0%, #009688 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(0,188,212,0.2) 0%, rgba(0,150,136,0.2) 100%);
  --gradient-brand-animated: linear-gradient(135deg, #00BCD4, #009688, #00BCD4);
  --shadow-glow-brand: 0 4px 24px rgba(0, 188, 212, 0.3), 0 4px 24px rgba(0, 150, 136, 0.2);
}

/* انتخابگر تم */
.theme-picker {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.theme-option {
  position: relative;
  height: 56px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  cursor: pointer;
  overflow: hidden;
  transition: all var(--duration-fast) var(--ease-out);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 4px;
}

.theme-option:hover { transform: scale(1.05); border-color: var(--color-border-strong); }
.theme-option.active { border-color: #fff; box-shadow: 0 0 0 2px var(--color-orange); }

.theme-option .theme-preview {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.theme-option .theme-label {
  position: relative;
  z-index: 1;
  font-size: 10px;
  font-weight: var(--font-bold);
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,0.8);
  background: rgba(0,0,0,0.4);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* ================================================================ */
/* 36. بخش پروفایل                                                  */
/* ================================================================ */
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--gradient-brand-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  color: #fff;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow-brand);
  text-transform: uppercase;
}

.profile-info { flex: 1; min-width: 0; }
.profile-name { font-size: var(--text-xl); font-weight: var(--font-bold); }
.profile-since { font-size: var(--text-xs); color: var(--color-text-tertiary); margin-top: 2px; }
.profile-level {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 6px;
  padding: 3px 10px;
  background: var(--color-orange-soft);
  color: var(--color-orange);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
}

.profile-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.profile-stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-align: center;
}

.profile-stat-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-orange);
  font-variant-numeric: tabular-nums;
}

.profile-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.profile-stat-icon {
  width: 36px;
  height: 36px;
  margin: 0 auto var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-orange-soft);
  color: var(--color-orange);
}

.achievement-summary {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.achievement-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}

.achievement-pill.unlocked {
  background: var(--gradient-brand-soft);
  border-color: rgba(255,87,34,0.3);
  color: var(--color-orange);
}

/* ================================================================ */
/* 37. تقویم شمسی تمرینات                                            */
/* ================================================================ */
.calendar-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}

.workout-calendar {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 4px;
}

.calendar-weekday {
  text-align: center;
  font-size: 11px;
  font-weight: var(--font-bold);
  color: var(--color-text-tertiary);
  padding: 6px 0;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 3px;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  background: rgba(0,0,0,0.2);
  border: 1px solid transparent;
  transition: all var(--duration-fast) var(--ease-out);
  position: relative;
  cursor: default;
  font-variant-numeric: tabular-nums;
}

.calendar-day:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border);
}

.calendar-day.empty {
  background: transparent;
  border: none;
}

.calendar-day.today {
  background: var(--color-orange-soft);
  border-color: var(--color-orange);
  color: var(--color-orange);
  font-weight: var(--font-bold);
  box-shadow: 0 0 0 2px rgba(255,87,34,0.2);
}

.calendar-day.workout {
  background: var(--color-success-soft);
  border-color: var(--color-success);
  color: var(--color-success);
  font-weight: var(--font-bold);
}

.calendar-day.workout::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 4px rgba(0, 230, 118, 0.6);
}

.calendar-day.workout.today {
  background: var(--gradient-brand);
  border-color: var(--color-orange);
  color: #fff;
}

.calendar-day.workout.today::after {
  background: #fff;
  box-shadow: 0 0 6px rgba(255,255,255,0.8);
}

.calendar-day.future {
  opacity: 0.4;
}

.calendar-legend {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  font-weight: var(--font-medium);
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

.legend-dot.workout {
  background: var(--color-success-soft);
  border: 1px solid var(--color-success);
}

.legend-dot.today {
  background: var(--color-orange-soft);
  border: 1px solid var(--color-orange);
}

/* ================================================================ */
/* 38. استایل روزهای قابل کلیک تقویم و جزئیات روز                   */
/* ================================================================ */
.calendar-day.clickable {
  cursor: pointer;
}

.calendar-day.clickable:hover {
  transform: scale(1.1);
  box-shadow: 0 0 12px rgba(0, 230, 118, 0.3);
}

/* جلسه تمرین در جزئیات روز */
.history-day-session {
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.history-day-session-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-2);
}

.history-day-session-title {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-orange);
}

.history-day-session-time {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.history-day-session-vol {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-success);
  text-align: left;
  white-space: nowrap;
}

/* ================================================================ */
/* 39. ویجت تمرین مینیمایز شده (شناور)                              */
/* ================================================================ */
.minimized-session {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--safe-area-bottom) + var(--space-4));
  left: var(--space-4);
  z-index: var(--z-fab);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  background: var(--gradient-brand);
  background-size: var(--gradient-brand-animated-size);
  animation: fabGradient 6s var(--ease-in-out) infinite;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-glow-brand), var(--shadow-lg);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-spring);
  max-width: calc(100% - var(--space-8));
  user-select: none;
  -webkit-user-select: none;
}

.minimized-session:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(255,87,34,0.5), var(--shadow-lg);
}

.minimized-session:active {
  transform: scale(0.95);
}

.minimized-session.hidden {
  display: none;
}

.minimized-session-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  color: #fff;
  flex-shrink: 0;
}

.minimized-session-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.minimized-session-title {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

.minimized-session-time {
  font-size: var(--text-sm);
  font-weight: var(--font-extrabold);
  color: #fff;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.minimized-session-pulse {
  position: absolute;
  top: 50%;
  right: -4px;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: 50%;
  animation: minimizedPulse 1.5s var(--ease-in-out) infinite;
}

@keyframes minimizedPulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(255,255,255,0.6);
  }
  50% {
    opacity: 0.8;
    box-shadow: 0 0 0 8px rgba(255,255,255,0);
  }
}

/* انیمیشن ورود ویجت مینیمایز */
.minimized-session:not(.hidden) {
  animation: minimizedEnter var(--duration-normal) var(--ease-spring), fabGradient 6s var(--ease-in-out) infinite;
}

@keyframes minimizedEnter {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ================================================================ */
/* 40. دکمه پخش گیف/ویدیو و مودال پخش                              */
/* ================================================================ */

/* دکمه پخش در هدر تمرین جلسه */
.play-media-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--gradient-brand);
  color: #fff;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow-brand);
  transition: all var(--duration-fast) var(--ease-spring);
}

.play-media-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px rgba(255,87,34,0.6);
}

.play-media-btn:active {
  transform: scale(0.92);
}

/* مودال پخش رسانه */
.media-player-modal {
  max-width: 500px;
}

.media-player-body {
  padding: 0 !important;
  display: block !important;
}

.media-player-content {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* wrapper ویدیو */
.media-video-wrapper {
  width: 100%;
  background: #000;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  overflow: hidden;
  position: relative;
  padding-top: 56.25%; /* 16:9 aspect ratio */
}

.media-video-wrapper video,
.media-video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* wrapper گیف */
.media-gif-wrapper {
  width: 100%;
  background: #000;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-4);
}

.media-gif-wrapper img {
  max-width: 100%;
  max-height: 400px;
  border-radius: var(--radius-md);
  object-fit: contain;
}

/* حالت بدون لینک */
.media-no-url {
  padding: var(--space-8) var(--space-4);
  text-align: center;
  color: var(--color-text-tertiary);
}

.media-no-url p {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
}

.media-no-url .media-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* راهنما زیر رسانه */
.media-cues {
  margin: var(--space-3) var(--space-4) var(--space-4);
}

/* فیلد لینک گیف در فرم */
.manual-exercise-full-row {
  margin-bottom: var(--space-2);
}

.media-url-input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  min-height: 34px;
  outline: none;
  transition: border-color var(--duration-fast);
  margin-top: 4px;
  font-family: var(--font-mono);
  direction: ltr;
  text-align: left;
}

.media-url-input:focus {
  border-color: var(--color-orange);
}

.media-url-input::placeholder {
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  direction: rtl;
  text-align: right;
}

/* wrapper صفحه آموزشی (fitamin.ir) */
.media-page-wrapper {
  width: 100%;
  height: 500px;
  background: #000;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  overflow: hidden;
}

.media-page-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.media-page-hint {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-align: center;
}

/* حالت پر شدن خودکار فیلد لینک ویدیو */
.media-url-input.auto-filled {
  border-color: var(--color-success) !important;
  background: var(--color-success-soft) !important;
  animation: autoFillPulse 0.6s var(--ease-spring);
}

@keyframes autoFillPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); box-shadow: 0 0 12px rgba(0, 230, 118, 0.4); }
  100% { transform: scale(1); }
}