/**
 * CoachTrack.in - Sports Academy Management System
 * Core Mobile-First Design System & Styling (v2.0)
 * Ultra-responsive PWA mobile UX, glassmorphism, vibrant dark mode tokens & touch ergonomics.
 * Color Palette: Bright / Electric Blue (#0082E6), Vibrant Orange (#FF7A00), Dark Navy Blue (#0A2540), Clean White (#FFFFFF).
 */

:root {
  /* Color Palette - Bright Electric Blue, Vibrant Orange & Dark Navy Blue */
  --primary-color: #0082E6;      /* Bright / Electric Blue */
  --primary-hover: #006bc2;      /* Electric Blue Hover */
  --secondary-color: #0A2540;    /* Dark Navy Blue */
  --accent-color: #FF7A00;       /* Vibrant Orange */
  --success-color: #10b981;
  --warning-color: #FF7A00;      /* Aligned to Vibrant Orange for warning highlights */
  --danger-color: #ef4444;
  
  /* Backgrounds & Surfaces */
  --bg-body: #FFFFFF;            /* Clean White Background */
  --bg-surface: #FFFFFF;         /* Clean White Surface */
  --bg-glass: rgba(255, 255, 255, 0.94);
  --bg-nav-dark: rgba(10, 37, 64, 0.96); /* Dark Navy Blue Navigation */
  --border-color: #e2e8f0;
  --text-main: #0A2540;          /* Dark Navy Blue for crisp contrast */
  --text-muted: #64748b;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 3px 0 rgba(10, 37, 64, 0.08);
  --shadow-md: 0 4px 12px -1px rgba(10, 37, 64, 0.12), 0 2px 6px -1px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 12px 20px -3px rgba(10, 37, 64, 0.16), 0 6px 8px -2px rgba(10, 37, 64, 0.08);
  --shadow-glow: 0 0 25px rgba(0, 130, 230, 0.35);
  --shadow-orange-glow: 0 0 25px rgba(255, 122, 0, 0.35);

  /* Transitions & Touch Ergonomics */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --touch-target-min: 46px;
}

/* Dark Theme Overrides */
[data-theme="dark"] {
  --bg-body: #0A2540;            /* Dark Navy Blue as primary background in dark mode */
  --bg-surface: #0e3154;
  --bg-glass: rgba(14, 49, 84, 0.92);
  --border-color: #1d4570;
  --text-main: #FFFFFF;
  --text-muted: #94a3b8;
  --shadow-glow: 0 0 30px rgba(0, 130, 230, 0.45);
}

/* Custom Bootstrap Palette Alignment */
.text-primary { color: var(--primary-color) !important; }
.text-dark { color: var(--secondary-color) !important; }
.bg-dark { background-color: var(--secondary-color) !important; }
.btn-dark {
  background-color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
  color: #FFFFFF !important;
}
.btn-dark:hover, .btn-dark:focus {
  background-color: #0f345b !important;
  border-color: #0f345b !important;
}
.btn-outline-dark {
  color: var(--secondary-color) !important;
  border-color: var(--secondary-color) !important;
}
.btn-outline-dark:hover, .btn-outline-dark:focus {
  background-color: var(--secondary-color) !important;
  color: #FFFFFF !important;
}
.btn-outline-primary {
  color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
}
.btn-outline-primary:hover, .btn-outline-primary:focus {
  background-color: var(--primary-color) !important;
  color: #FFFFFF !important;
}

/* Global Typography, Mobile Reset & Smooth Scrolling */
* {
  -webkit-tap-highlight-color: transparent;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Glassmorphism Cards & Containers */
/* Android Material Cards & Containers */
.coachtrack-card, .playnzo-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(10, 37, 64, 0.05), 0 1px 3px rgba(10, 37, 64, 0.03);
  padding: 1.5rem;
  transition: transform 180ms cubic-bezier(0.2, 0, 0, 1), box-shadow 180ms cubic-bezier(0.2, 0, 0, 1);
}

.coachtrack-card:hover, .playnzo-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.08);
}

.coachtrack-card:active, .playnzo-card:active {
  transform: scale(0.985);
}

/* Premium Android App Buttons & Micro-Animations */
.btn-primary-coachtrack, .btn-primary-playnzo {
  background: var(--primary-color);
  color: white !important;
  font-weight: 600;
  min-height: 48px;
  padding: 0.65rem 1.5rem;
  border-radius: 16px;
  border: none;
  box-shadow: 0 2px 8px rgba(0, 130, 230, 0.25);
  transition: all 150ms cubic-bezier(0.2, 0, 0, 1);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.btn-primary-coachtrack:hover, .btn-primary-playnzo:hover {
  background: var(--primary-hover);
  color: white;
  box-shadow: 0 4px 14px rgba(0, 130, 230, 0.35);
}

.btn-primary-coachtrack:active, .btn-primary-playnzo:active {
  transform: scale(0.96);
}

.btn-accent-coachtrack, .btn-accent-playnzo {
  background: var(--accent-color);
  color: white !important;
  font-weight: 600;
  min-height: 48px;
  padding: 0.65rem 1.5rem;
  border-radius: 16px;
  border: none;
  box-shadow: 0 2px 8px rgba(255, 122, 0, 0.25);
  transition: all 150ms cubic-bezier(0.2, 0, 0, 1);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.btn-accent-coachtrack:hover, .btn-accent-playnzo:hover {
  background: #e66d00;
  color: white !important;
  box-shadow: 0 4px 14px rgba(255, 122, 0, 0.35);
}

/* All buttons get tactile mobile tap animations and Android 48px touch targets */
.btn, .form-control, .form-select {
  min-height: 48px;
  border-radius: 14px;
  transition: transform 120ms ease, box-shadow 120ms ease, border-color 120ms ease;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3.5px rgba(0, 130, 230, 0.2);
}

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

/* Android Top App Bar Header */
.coachtrack-navbar, .playnzo-navbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(10, 37, 64, 0.04);
}

.brand-logo {
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--primary-color);
  text-decoration: none;
  letter-spacing: -0.5px;
}

/* Hero & Dashboard Banner Gradients */
.hero-gradient {
  background: radial-gradient(circle at 80% 10%, rgba(0, 130, 230, 0.12), transparent 45%),
              radial-gradient(circle at 20% 90%, rgba(255, 122, 0, 0.12), transparent 50%),
              #FFFFFF;
  border-bottom: 1px solid var(--border-color);
  padding: 0;
}

/* Badge Styling for Terminology & Statuses */
.badge-coachtrack, .badge-playnzo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.45rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 9999px;
  background: rgba(0, 130, 230, 0.12);
  color: var(--primary-color);
  border: 1px solid rgba(0, 130, 230, 0.32);
  box-shadow: 0 2px 6px rgba(0, 130, 230, 0.08);
}

/* Custom Hero Typography & Feature Banner Layout */
.hero-title {
  font-size: 3.25rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--secondary-color);
}

.hero-feature-bar {
  margin-top: -3.5rem !important;
  background: linear-gradient(135deg, #0A2540, #0e345a);
  border: 1px solid rgba(0, 130, 230, 0.45);
  box-shadow: 0 15px 35px rgba(10, 37, 64, 0.35);
}

.mini-feature-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(10, 37, 64, 0.05);
  transition: all var(--transition-fast);
}
.mini-feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 130, 230, 0.12);
  border-color: rgba(0, 130, 230, 0.3);
}

@media (max-width: 991.98px) {
  .hero-title {
    font-size: 2.3rem;
  }
  .hero-feature-bar {
    margin-top: -2rem !important;
  }
}

/* ==========================================================================
   MOBILE-FIRST ANDROID APP UX (Material 3 Bottom Nav & Ergonomics)
   ========================================================================== */

/* Fixed Bottom Navigation App Bar (Hidden on Desktop) */
.mobile-bottom-nav {
  display: none;
}

/* Android Floating Action Button (FAB) */
.android-fab {
  position: fixed;
  bottom: 84px;
  right: 20px;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--primary-color);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 6px 16px rgba(0, 130, 230, 0.4);
  z-index: 1900;
  text-decoration: none;
  transition: transform 150ms ease, box-shadow 150ms ease;
}
.android-fab:active {
  transform: scale(0.92);
}

@media (max-width: 767.98px) {
  body {
    /* Safe space at bottom so fixed Android bottom tab bar doesn't cover content */
    padding-bottom: 90px !important;
  }
  
  .coachtrack-card {
    padding: 1.15rem;
    border-radius: 20px;
  }
  
  /* Mobile Flex Stack - cleanly wraps controls vertically on small viewports */
  .mobile-flex-stack {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }
  
  .mobile-flex-stack > * {
    width: 100% !important;
  }
  
  /* Compact Header & Navbar for small viewports */
  .coachtrack-navbar .container-fluid,
  .coachtrack-navbar .container {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
  
  .brand-logo {
    font-size: 1.18rem;
  }
  
  /* Android Material 3 Fixed Bottom Navigation Bar */
  .mobile-bottom-nav {
    display: flex !important;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    z-index: 2000;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -4px 20px rgba(10, 37, 64, 0.08);
    padding: 4px 8px;
    padding-bottom: max(6px, env(safe-area-inset-bottom));
  }
  
  .mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 6px;
    border-radius: 16px;
    transition: all 150ms cubic-bezier(0.2, 0, 0, 1);
    flex: 1;
    text-align: center;
  }
  
  .mobile-nav-item span.icon {
    font-size: 1.35rem;
    margin-bottom: 2px;
    padding: 3px 16px;
    border-radius: 20px;
    transition: all 150ms cubic-bezier(0.2, 0, 0, 1);
  }
  
  .mobile-nav-item.active {
    color: var(--primary-color);
    font-weight: 700;
  }
  
  .mobile-nav-item.active span.icon {
    background: rgba(0, 130, 230, 0.14);
    color: var(--primary-color);
    transform: translateY(-1px);
  }
  
  .mobile-nav-item:active {
    transform: scale(0.90);
  }
  
  /* Responsive Tables on Mobile */
  .table-responsive {
    border-radius: 12px;
    border: 1px solid var(--border-color);
  }
  
  .table-responsive .table {
    margin-bottom: 0;
  }

  .table-responsive th, .table-responsive td {
    padding: 10px 12px !important;
    font-size: 0.88rem;
  }

  /* Full-width touch buttons inside cards on mobile */
  .btn-mobile-w100 {
    width: 100% !important;
  }
}

/* Interactive Digital Badge Animation */
@keyframes neon-pulse {
  0% { box-shadow: 0 0 15px rgba(0, 130, 230, 0.4); }
  50% { box-shadow: 0 0 28px rgba(0, 130, 230, 0.7), 0 0 45px rgba(255, 122, 0, 0.35); }
  100% { box-shadow: 0 0 15px rgba(0, 130, 230, 0.4); }
}

.glow-box {
  animation: neon-pulse 2.5s infinite alternate ease-in-out;
}

/* Footer Styling */
.coachtrack-footer {
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 1rem;
  margin-top: 3rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ==========================================================================
   SINGLE-PAGE SITE ADDITIONS (built on top of the design system above)
   ========================================================================== */

html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 84px; }

a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.nav-link-item {
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.5rem 0.9rem;
  border-radius: 10px;
  transition: all var(--transition-fast);
}
.nav-link-item:hover { color: var(--primary-color); background: rgba(0,130,230,0.08); }

.theme-toggle-btn {
  width: 42px; height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-main);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}
.theme-toggle-btn:hover { border-color: var(--primary-color); color: var(--primary-color); }
.theme-toggle-btn svg { width: 19px; height: 19px; }
.theme-toggle-btn .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle-btn .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle-btn .icon-moon { display: inline-flex; }

.hero-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.icon-circle {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(0, 130, 230, 0.1);
  color: var(--primary-color);
  margin-bottom: 1rem;
}
.icon-circle svg { width: 25px; height: 25px; }
.icon-circle.on-dark { background: rgba(255,255,255,0.14); color: #fff; }

.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--primary-color);
}

.section-heading {
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--secondary-color);
  letter-spacing: -0.5px;
}

.sport-chip-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }

.portal-tab-btn {
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.6rem 1.15rem;
  border-radius: 12px;
  display: inline-flex; align-items: center; gap: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: var(--touch-target-min);
}
.portal-tab-btn svg { width: 17px; height: 17px; }
.portal-tab-btn.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.portal-panel { display: none; }
.portal-panel.active { display: block; animation: fadeInUp 0.35s ease; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.mock-stat {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1rem 1.15rem;
  height: 100%;
}
.mock-stat .val { font-size: 1.55rem; font-weight: 900; color: var(--secondary-color); }
.mock-stat .lbl { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; }

.mock-row {
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-surface);
}
.mock-row + .mock-row { margin-top: 0.6rem; }
.mock-row .mr-left { display: flex; align-items: center; gap: 0.75rem; }
.mock-status {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  white-space: nowrap;
}
.mock-status.ok { background: rgba(16,185,129,0.12); color: var(--success-color); }
.mock-status.due { background: rgba(255,122,0,0.12); color: var(--accent-color); }

.step-item { display: flex; gap: 1.1rem; }
.step-number {
  flex-shrink: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--primary-color);
  color: #fff; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
}

.terminology-demo {
  border: 1px solid var(--border-color);
  border-radius: 18px;
  background: var(--bg-surface);
  padding: 1.75rem;
}
.term-word { color: var(--primary-color); font-weight: 800; transition: opacity 0.15s ease; }

.footer-heading { color: var(--text-main); font-weight: 800; font-size: 0.95rem; margin-bottom: 0.9rem; }
.footer-link { display: block; color: var(--text-muted); text-decoration: none; font-size: 0.9rem; margin-bottom: 0.55rem; transition: color 0.15s ease; }
.footer-link:hover { color: var(--primary-color); }

.modal-tab-btn {
  flex: 1; padding: 0.8rem; text-align: center; font-weight: 700; font-size: 0.92rem; cursor: pointer;
  border-bottom: 2px solid transparent; color: var(--text-muted); transition: all var(--transition-fast);
}
.modal-tab-btn.active { color: var(--primary-color); border-color: var(--primary-color); }
.auth-panel { display: none; }
.auth-panel.active { display: block; animation: fadeInUp 0.3s ease; }

/* Active nav link state for portal pages */
a.nav-active, .nav-link.nav-active {
  color: var(--primary-color) !important;
  font-weight: 700 !important;
}

.cta-band {
  background: linear-gradient(135deg, #0A2540, #0e345a);
  border-radius: 28px;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 15% 20%, rgba(0,130,230,0.35), transparent 45%),
              radial-gradient(circle at 85% 80%, rgba(255,122,0,0.3), transparent 45%);
}

.trust-line {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.85rem; color: var(--text-muted);
}
.trust-line svg { width: 16px; height: 16px; color: var(--primary-color); flex-shrink: 0; }

@media (max-width: 767.98px) {
  .section-heading { font-size: 1.6rem; }
}

/* Custom Checkbox Pill Style */
.sport-check {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 50rem;
  font-size: 0.95rem;
  cursor: pointer;
  background-color: var(--bg-surface);
  transition: all 0.2s ease;
  color: var(--text-main);
  user-select: none;
}
.sport-check:hover {
  border-color: var(--primary-color);
  background-color: rgba(0, 130, 230, 0.05);
}
.sport-check input[type="checkbox"] {
  margin: 0;
  cursor: pointer;
}
.sport-check:has(input[type="checkbox"]:checked) {
  border-color: var(--primary-color);
  background-color: rgba(0, 130, 230, 0.1);
  color: var(--primary-color);
  font-weight: 600;
}

/* ==========================================================================
   GLOBAL HEADER & FOOTER ENHANCEMENTS
   ========================================================================== */
.glass-nav {
  background: var(--bg-glass) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,130,230,0.1);
}
.logo-icon-bg {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 10px rgba(0,130,230,0.25);
}
.brand-text {
  font-weight: 900;
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}
.nav-link-custom {
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.6rem 1rem;
  border-radius: 12px;
  text-decoration: none;
  transition: all var(--transition-fast);
  display: flex; align-items: center; gap: 8px;
}
.nav-link-custom:hover {
  background: rgba(0,130,230,0.06);
  color: var(--primary-color);
}
.nav-link-custom.active {
  background: rgba(0,130,230,0.1);
  color: var(--primary-color);
}
.btn-premium-nav {
  background: linear-gradient(135deg, var(--primary-color), #006bc2);
  color: #fff;
  font-weight: 700;
  padding: 0.7rem 1.2rem;
  border-radius: 12px;
  text-decoration: none;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  box-shadow: 0 4px 12px rgba(0,130,230,0.25);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.btn-premium-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,130,230,0.35);
  color: #fff;
}
.btn-profile-dropdown {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  background: rgba(10,37,64,0.05);
  color: var(--text-main);
  border-radius: 50%;
  text-decoration: none;
  transition: background var(--transition-fast);
}
.btn-profile-dropdown:hover {
  background: rgba(10,37,64,0.1);
}
.btn-profile-dropdown .material-symbols-rounded {
  font-size: 28px;
}
.footer-text {
  font-size: 0.95rem;
  line-height: 1.6;
}
.social-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(10,37,64,0.05);
  color: var(--text-main);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
}
.social-btn:hover {
  background: var(--primary-color);
  color: #fff;
  transform: translateY(-2px);
}
.footer-list li { margin-bottom: 0.75rem; }
.footer-list a { transition: color var(--transition-fast); }
.footer-list a:hover { color: var(--primary-color) !important; }