/* ==========================================================================
   MyFitX - Sabbar Light Design System Implementation
   Derived directly from design.md specification
   Version: alpha (Sabbar Light)
   Palette: Primary Coral-Orange (#fa532e), Charcoal (#23242a), Surface (#ffffff)
   Typography: Somar family (SomarBold & SomarRegular)
   Elevation: Flat with subtle, restrained border edges (0-shadow)
   Shapes: Buttons 20px, Cards/Inputs 8px, Chips 9999px
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800;900&family=Fira+Code:wght@500;700&display=swap');

/* Somar Rounded Fonts */
@font-face {
  font-family: 'SomarBold';
  src: url('../fonts/SomarRounded-Bold.woff2') format('woff2');
  font-weight: 700 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'SomarRegular';
  src: url('../fonts/SomarRounded-Regular.woff2') format('woff2');
  font-weight: 400 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Somar';
  src: url('../fonts/SomarRounded-Bold.woff2') format('woff2');
  font-weight: 700 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Somar';
  src: url('../fonts/SomarRounded-Regular.woff2') format('woff2');
  font-weight: 400 500;
  font-style: normal;
  font-display: swap;
}

/* ==========================================================================
   Design System Tokens (design.md)
   ========================================================================== */
:root {
  /* Colors */
  --color-primary: #fa532e;
  --color-primary-hover: #e84a28;
  --color-primary-contrast: #ffffff;
  --color-secondary: #23242a;
  --color-tertiary: #e5e7eb;
  --color-neutral: #ffffff;
  --color-surface: #ffffff;
  --color-on-surface: #23242a;
  --color-muted: #f5f5f5;
  --color-border: #e5e7eb;
  --color-error: #fa532e;
  --color-peach: #fff4f1;

  /* Typography Fonts */
  --font-somar: 'Somar', 'SomarRegular', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-somar-bold: 'SomarBold', 'Somar', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-numbers: 'Plus Jakarta Sans', var(--font-somar);
  --font-mono: 'Fira Code', monospace;

  /* Spacing Tokens */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 80px;

  /* Rounded Tokens */
  --radius-none: 0px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Flat Elevation & Subtle Edges */
  --shadow-none: none;
  --shadow-subtle: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04);

  /* Legacy Mapping for Seamless Template Compatibility */
  --bg-primary: var(--color-surface);
  --bg-secondary: var(--color-muted);
  --bg-card: var(--color-surface);
  --bg-card-hover: var(--color-muted);
  --bg-input: var(--color-surface);
  --border-subtle: var(--color-border);
  --border-strong: var(--color-border);
  --text-main: var(--color-secondary);
  --text-muted: #5c6075;
  --text-inverse: #ffffff;

  --brand-orange: var(--color-primary);
  --brand-orange-hover: var(--color-primary-hover);
  --brand-orange-light: var(--color-peach);
  --hs-color-primary-400: var(--color-primary);
  --hs-color-primary-500: var(--color-primary-hover);
  --hs-color-primary-light: var(--color-peach);
  --hs-radius: var(--radius-lg);

  --brand-neon: var(--color-primary);
  --brand-lime: var(--color-primary);
  --brand-emerald: #10b981;
  --brand-darkgreen: #064e3b;
  --brand-forest: #022c22;
  --brand-accent: var(--color-primary);
  --brand-glow: rgba(250, 83, 46, 0.15);
}

/* Optional Dark Theme Mode (Keeps clean, accessible styling without neon clash) */
.dark {
  --color-surface: #11141c;
  --color-on-surface: #f3f4f6;
  --color-neutral: #11141c;
  --color-muted: #181c26;
  --color-border: #232a3b;
  --color-tertiary: #232a3b;
  --color-secondary: #f3f4f6;
  --color-peach: rgba(250, 83, 46, 0.12);

  --bg-primary: #0a0d14;
  --bg-secondary: #11141c;
  --bg-card: #141923;
  --bg-card-hover: #19202e;
  --bg-input: #11141c;
  --border-subtle: #232a3b;
  --border-strong: #2d354a;
  --text-main: #f3f4f6;
  --text-muted: #94a3b8;
  --text-inverse: #0a0d14;
  --brand-orange-light: rgba(250, 83, 46, 0.14);
}

/* Global resets & typography */
* {
  box-sizing: border-box;
}

body,
.font-cairo,
.font-somar {
  font-family: var(--font-somar) !important;
  background-color: var(--color-surface);
  color: var(--color-secondary);
  transition: background-color 0.25s ease, color 0.25s ease;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
.fw-boldest,
.font-boldest,
.font-black {
  font-family: var(--font-somar-bold) !important;
}

/* ==========================================================================
   Typography Hierarchy (design.md scale)
   ========================================================================== */
.headline-display,
.hs-display {
  font-family: var(--font-somar-bold) !important;
  font-size: 38px !important;
  font-weight: 700 !important;
  line-height: 53.2px !important;
  letter-spacing: 0px !important;
}

.headline-lg,
.hs-h1,
.home-title-1 {
  font-family: var(--font-somar-bold) !important;
  font-size: 31px !important;
  font-weight: 700 !important;
  line-height: 33.6px !important;
  letter-spacing: 0px !important;
}

.headline-md,
.hs-h2 {
  font-family: var(--font-somar-bold) !important;
  font-size: 25px !important;
  font-weight: 700 !important;
  line-height: 32px !important;
  letter-spacing: 0px !important;
}

.headline-sm,
.hs-h3 {
  font-family: var(--font-somar-bold) !important;
  font-size: 20px !important;
  font-weight: 700 !important;
  line-height: 24px !important;
  letter-spacing: 0px !important;
}

.body-lg,
.hs-body-lg {
  font-family: var(--font-somar) !important;
  font-size: 16px !important;
  font-weight: 400 !important;
  line-height: 28px !important;
  letter-spacing: 0px !important;
  color: var(--text-muted);
}

.body-md,
.hs-body {
  font-family: var(--font-somar) !important;
  font-size: 14px !important;
  font-weight: 400 !important;
  line-height: 24px !important;
  letter-spacing: 0px !important;
  color: var(--text-muted);
}

.body-sm,
.hs-body-sm {
  font-family: var(--font-somar) !important;
  font-size: 12px !important;
  font-weight: 400 !important;
  line-height: 20px !important;
  letter-spacing: 0px !important;
  color: var(--text-muted);
}

.label-lg {
  font-family: var(--font-somar) !important;
  font-size: 16px !important;
  font-weight: 700 !important;
  line-height: 24px !important;
  letter-spacing: 0px !important;
}

.label-md {
  font-family: var(--font-somar) !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  line-height: 20px !important;
  letter-spacing: 0px !important;
}

.label-sm {
  font-family: var(--font-somar) !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  line-height: 16px !important;
  letter-spacing: 0px !important;
}

.nav-link {
  font-family: var(--font-somar) !important;
  font-size: 16px !important;
  font-weight: 700 !important;
  line-height: 24px !important;
  letter-spacing: 0px !important;
  color: var(--color-secondary) !important;
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary) !important;
}

.dark .nav-link {
  color: #f3f4f6 !important;
}

.dark .nav-link:hover,
.dark .nav-link.active {
  color: var(--color-primary) !important;
}

/* ==========================================================================
   Components (design.md)
   ========================================================================== */

/* Button Primary:
   background: #fa532e, text: #ffffff, 14px bold (20px line-height),
   border-radius: 20px (pill), padding: 10px 20px, height: 44px */
.button-primary,
.btn-primary,
.btn-sabbar-primary,
.hs-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  background-color: var(--color-primary) !important;
  color: var(--color-primary-contrast) !important;
  font-family: var(--font-somar) !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  line-height: 20px !important;
  letter-spacing: 0px !important;
  border-radius: var(--radius-lg) !important;
  /* 20px */
  padding: 10px 20px !important;
  height: 44px !important;
  box-sizing: border-box !important;
  border: 1px solid transparent !important;
  cursor: pointer;
  text-decoration: none !important;
  transition: background-color 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
  box-shadow: none !important;
}

.button-primary:hover,
.btn-primary:hover,
.btn-sabbar-primary:hover,
.hs-btn:hover {
  background-color: var(--color-primary-hover) !important;
  color: var(--color-primary-contrast) !important;
  transform: translateY(-1px);
}

/* Button Secondary:
   background: #ffffff, text: #fa532e, border: 1.5px solid #fa532e,
   14px bold, rounded: 20px, padding: 10px 20px, height: 44px */
.button-secondary,
.btn-secondary,
.btn-sabbar-secondary {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  background-color: var(--color-neutral) !important;
  color: var(--color-primary) !important;
  font-family: var(--font-somar) !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  line-height: 20px !important;
  letter-spacing: 0px !important;
  border-radius: var(--radius-lg) !important;
  /* 20px */
  padding: 10px 20px !important;
  height: 44px !important;
  box-sizing: border-box !important;
  border: 1.5px solid var(--color-primary) !important;
  cursor: pointer;
  text-decoration: none !important;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.button-secondary:hover,
.btn-secondary:hover,
.btn-sabbar-secondary:hover {
  background-color: var(--color-muted) !important;
  color: var(--color-primary) !important;
  transform: translateY(-1px);
}

.dark .button-secondary,
.dark .btn-secondary,
.dark .btn-sabbar-secondary {
  background-color: transparent !important;
  color: var(--color-primary) !important;
  border-color: var(--color-primary) !important;
}

.dark .button-secondary:hover,
.dark .btn-secondary:hover,
.dark .btn-sabbar-secondary:hover {
  background-color: rgba(250, 83, 46, 0.12) !important;
}

/* Button Link:
   background: transparent, text: #23242a, 14px, rounded: 0, padding: 0 */
.button-link,
.btn-link {
  display: inline-flex !important;
  align-items: center !important;
  background-color: transparent !important;
  color: var(--color-on-surface) !important;
  font-family: var(--font-somar) !important;
  font-size: 14px !important;
  font-weight: 400 !important;
  line-height: 24px !important;
  border-radius: var(--radius-none) !important;
  padding: 0px !important;
  height: auto !important;
  border: none !important;
  cursor: pointer;
  text-decoration: none !important;
  transition: color 0.2s ease;
}

.button-link:hover,
.btn-link:hover {
  color: var(--color-primary) !important;
}

/* Card:
   background: surface (#ffffff), text: on-surface (#23242a),
   border: 1px solid #e5e7eb, rounded: 8px (md), padding: 16px */
.card,
.sabbar-card,
.glass-panel {
  background-color: var(--color-surface) !important;
  color: var(--color-on-surface) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-md) !important;
  /* 8px */
  padding: var(--spacing-sm) !important;
  /* 16px */
  transition: border-color 0.2s ease, transform 0.2s ease;
  box-shadow: none !important;
}

.card-hover:hover,
.glass-panel-hover:hover {
  border-color: #cbd5e1 !important;
  transform: translateY(-2px);
}

.dark .card,
.dark .sabbar-card,
.dark .glass-panel {
  background-color: var(--color-surface) !important;
  border-color: var(--color-border) !important;
}

/* Input:
   background: surface, text: on-surface, 14px, rounded: 8px, padding: 12px 16px */
.input,
.form-input {
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  font-family: var(--font-somar);
  font-size: 14px;
  font-weight: 400;
  line-height: 24px;
  border-radius: var(--radius-md);
  /* 8px */
  border: 1px solid var(--color-border);
  padding: 12px 16px;
  outline: none;
  transition: border-color 0.2s ease;
  width: 100%;
}

.input:focus,
.form-input:focus {
  border-color: var(--color-primary) !important;
}

/* Chip:
   background: surface, text: on-surface, 12px 700, rounded: 9999px (full), padding: 6px 12px */
.chip,
.badge-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background-color: var(--color-surface);
  color: var(--color-on-surface);
  font-family: var(--font-somar);
  font-size: 12px;
  font-weight: 700;
  line-height: 16px;
  border-radius: var(--radius-full);
  /* 9999px */
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  white-space: nowrap;
}

.chip-primary {
  background-color: var(--color-peach) !important;
  color: var(--color-primary) !important;
  border-color: rgba(250, 83, 46, 0.2) !important;
}

.chip-muted {
  background-color: var(--color-muted) !important;
  color: var(--color-secondary) !important;
  border-color: var(--color-border) !important;
}

/* Sabbar Role Card Grid Styling */
.sabbar-role-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  /* 8px */
  padding: var(--spacing-sm);
  /* 16px */
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 80px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.sabbar-role-card:hover {
  background-color: var(--color-surface);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.sabbar-role-card .role-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  /* 8px */
  background: var(--color-muted);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
  transition: transform 0.2s ease;
}

.sabbar-role-card:hover .role-icon-box {
  transform: scale(1.05);
}

.dark .sabbar-role-card .role-icon-box {
  background: #181c26;
  border-color: #232a3b;
}

/* Peach Container & Phone Mockups */
.sabbar-peach-section {
  background-color: var(--color-peach);
  border-radius: var(--radius-xl);
  padding: 40px 24px;
  border: 1px solid rgba(250, 83, 46, 0.15);
}

.sabbar-phone-wrapper {
  background: #23242a;
  border-radius: 36px;
  padding: 8px;
  border: 1px solid #3b4252;
  position: relative;
  width: 100%;
  max-width: 275px;
  margin: 0 auto;
  transition: transform 0.3s ease;
}

.sabbar-phone-wrapper:hover {
  transform: translateY(-4px);
}

.sabbar-phone-screen {
  background: var(--color-surface);
  border-radius: 28px;
  overflow: hidden;
  height: 520px;
  display: flex;
  flex-direction: column;
  position: relative;
  font-size: 11px;
  color: var(--color-secondary);
}

.dark .sabbar-phone-screen {
  background: #11141c;
  color: #f1f5f9;
}

.sabbar-phone-island {
  width: 76px;
  height: 17px;
  background: #000000;
  border-radius: 12px;
  margin: 6px auto 4px;
  z-index: 30;
  flex-shrink: 0;
}

.font-num {
  font-family: var(--font-numbers);
}

.font-mono-code {
  font-family: var(--font-mono);
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--color-muted);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Exercise Animated Demonstration Styles */
.exercise-gif-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
}

.exercise-gif-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
  display: block;
  user-select: none;
}

.exercise-gif-wrapper:hover .exercise-gif-img {
  transform: scale(1.03);
}

/* Custom Checkbox */
.set-checkbox-input {
  accent-color: var(--color-primary);
}

/* Print Styles */
@media print {

  header,
  footer,
  nav,
  .no-print,
  button {
    display: none !important;
  }

  body {
    background: #FFF !important;
    color: #000 !important;
  }
}

/* Brand Logo Styling */
.brand-logo-text {
  display: inline-flex !important;
  align-items: baseline !important;
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
  font-weight: 900 !important;
  letter-spacing: -0.05em !important;
  direction: ltr !important;
  unicode-bidi: isolate !important;
  white-space: nowrap !important;
  line-height: 1 !important;
}

.brand-logo-text span {
  display: inline-block !important;
  margin-left: -0.06em !important;
  margin-right: 0 !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
  letter-spacing: -0.02em !important;
  color: var(--color-primary) !important;
}

/* ==========================================================================
   User Profile Header Dropdown Smooth Cascade Animation
   ========================================================================== */
.user-dropdown-menu {
  position: absolute !important;
  top: calc(100% + 8px) !important;
  left: 0 !important;
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  transform: translateY(-8px) scale(0.97) !important;
  transform-origin: top left !important;
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.22s !important;
  z-index: 100 !important;
}

.user-dropdown-menu.is-open {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
  transform: translateY(0) scale(1) !important;
}

.chevron-icon {
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.chevron-icon.is-open {
  transform: rotate(180deg) !important;
}

/* ==========================================================================
   Web Application & Multi-Screen Responsive Optimization
   Supports: iPhone (all models, Notch/Dynamic Island), Android phones, 
             Tablets (iPad Mini, Air, Pro, Galaxy Tab), Laptops, and 4K Desktops.
   ========================================================================== */

/* 1. Safe Area Insets for Modern Mobile Screens (iOS Notch, Dynamic Island, Home Bar) */
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  overflow-x: hidden !important;
  width: 100%;
  max-width: 100vw;
  min-height: 100vh;
  min-height: 100dvh; /* Dynamic viewport height for mobile browsers */
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

header {
  padding-top: env(safe-area-inset-top, 0px);
}

/* 2. Tactile Touch & App-Like Haptic Interaction */
button, 
a.btn-sabbar-primary, 
.period-tab,
.kpi-card,
.nav-link {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

button:active, 
a.btn-sabbar-primary:active,
.btn-sabbar-primary:active {
  transform: scale(0.98);
  transition: transform 0.08s ease;
}

/* 3. iOS Safari Form Input Auto-Zoom Prevention */
@media screen and (max-width: 768px) {
  input[type="text"],
  input[type="number"],
  input[type="email"],
  input[type="password"],
  select,
  textarea {
    font-size: 16px !important; /* Prevents iOS auto-zoom on input focus */
  }
}

/* 4. Small Screen Devices (iPhone SE, Galaxy S Compact, < 400px) */
@media screen and (max-width: 400px) {
  .headline-lg {
    font-size: 1.5rem !important;
    line-height: 1.25 !important;
  }
  .headline-md {
    font-size: 1.25rem !important;
    line-height: 1.3 !important;
  }
  .headline-sm {
    font-size: 1.05rem !important;
  }
  .period-tab {
    padding-left: 0.65rem !important;
    padding-right: 0.65rem !important;
    font-size: 0.7rem !important;
  }
}

/* 5. Custom Mobile-Friendly Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.4);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.7);
}
.dark ::-webkit-scrollbar-thumb {
  background: rgba(71, 85, 105, 0.5);
}
.dark ::-webkit-scrollbar-thumb:hover {
  background: rgba(71, 85, 105, 0.8);
}