/* ==========================================================================
   Quantum Yoga - Premium Design System & Stylesheet
   ========================================================================== */

:root {
  /* Colors */
  --bg-primary: #050308;
  --bg-secondary: #0c0914;
  --bg-card: rgba(22, 16, 36, 0.5);
  --bg-card-hover: rgba(32, 24, 52, 0.7);
  --border-glass: rgba(255, 255, 255, 0.06);
  --border-glass-hover: rgba(167, 139, 250, 0.25);
  
  --accent-primary: #a78bfa; /* Lavender */
  --accent-primary-rgb: 167, 139, 250;
  --accent-secondary: #f43f5e; /* Rose */
  --accent-secondary-rgb: 244, 63, 94;
  --accent-teal: #2dd4bf; /* Mint/Teal */
  
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-muted: #9ca3af;
  --text-dark: #111827;
  
  /* Fonts */
  --font-sans: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, Cambria, serif;
  
  /* Shadows & Glows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.7);
  --card-glow: 0 0 25px rgba(167, 139, 250, 0.15);
  --rose-glow: 0 0 25px rgba(244, 63, 94, 0.15);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  /* Layout */
  --max-width: 1280px;

  /* Tiered Glassmorphism */
  --glass-light-bg: rgba(255, 255, 255, 0.02);
  --glass-light-border: rgba(255, 255, 255, 0.05);
  --glass-light-blur: blur(8px);
  
  --glass-medium-bg: rgba(22, 16, 36, 0.45);
  --glass-medium-border: rgba(255, 255, 255, 0.07);
  --glass-medium-blur: blur(16px);
  
  --glass-dark-bg: rgba(12, 9, 20, 0.75);
  --glass-dark-border: rgba(255, 255, 255, 0.1);
  --glass-dark-blur: blur(24px);

  --gpu-accelerate: translateZ(0);

  /* Ambient glow colors */
  --glow-color-1: rgba(167, 139, 250, 0.3);
  --glow-color-2: rgba(244, 63, 94, 0.2);
  --glow-color-3: rgba(99, 102, 241, 0.25);

  /* Adaptable background components */
  --bg-input: rgba(5, 3, 8, 0.4);
  --bg-card-media: #100a1d;
  --bg-tabs: rgba(22, 16, 36, 0.3);
  --scrollbar-thumb: #231c34;

  /* Spotlight coordinates */
  --mouse-x: 50%;
  --mouse-y: 50%;
}

/* Base resets & scrollbar */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* Background Ambient Glows */
.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.45;
}

.bg-glow-1 {
  width: 500px;
  height: 500px;
  top: -100px;
  right: -100px;
  background: radial-gradient(circle, var(--glow-color-1) 0%, rgba(0,0,0,0) 70%);
  animation: float-glow 15s infinite ease-in-out alternate;
}

.bg-glow-2 {
  width: 600px;
  height: 600px;
  top: 40%;
  left: -200px;
  background: radial-gradient(circle, var(--glow-color-2) 0%, rgba(0,0,0,0) 70%);
  animation: float-glow 20s infinite ease-in-out alternate-reverse;
}

.bg-glow-3 {
  width: 400px;
  height: 400px;
  bottom: -50px;
  right: 10%;
  background: radial-gradient(circle, var(--glow-color-3) 0%, rgba(0,0,0,0) 70%);
}

@keyframes float-glow {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(40px, 30px) scale(1.1);
  }
  100% {
    transform: translate(-20px, -40px) scale(0.9);
  }
}

/* Typography elements */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
}

p {
  color: var(--text-secondary);
}

/* App Header */
.app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  z-index: 100;
  backdrop-filter: var(--glass-medium-blur);
  -webkit-backdrop-filter: var(--glass-medium-blur);
  border-bottom: 1px solid var(--glass-medium-border);
  background: var(--glass-medium-bg);
  transform: var(--gpu-accelerate);
}

.nav-container {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  font-size: 1.75rem;
}

.text-accent {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: var(--transition-fast);
}

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

.nav-link.active {
  border-color: var(--accent-primary);
}

.status-badge {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-secondary);
  border: 1px solid rgba(244, 63, 94, 0.2);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-secondary);
  border-radius: 50%;
  box-shadow: 0 0 0 rgba(244, 63, 94, 0.4);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.7);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(244, 63, 94, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(244, 63, 94, 0);
  }
}

/* App Main Layout */
.app-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 120px 2rem 4rem 2rem;
  min-height: calc(100vh - 160px);
}

/* Hero Section */
.hero-section {
  text-align: center;
  margin-bottom: 3rem;
  padding: 1.5rem 0;
}

.hero-badge {
  display: inline-block;
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.2);
  color: var(--accent-primary);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.gradient-text {
  background: linear-gradient(135deg, #c084fc 0%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-alt {
  background: linear-gradient(135deg, var(--accent-secondary) 0%, #fda4af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  max-width: 650px;
  margin: 0 auto;
  color: var(--text-secondary);
}

/* Search & Filters Controls Section */
.controls-section {
  margin-bottom: 3rem;
}

.controls-card {
  background: var(--glass-medium-bg);
  backdrop-filter: var(--glass-medium-blur);
  -webkit-backdrop-filter: var(--glass-medium-blur);
  border: 1px solid var(--glass-medium-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
  box-shadow: var(--shadow-md);
  transform: var(--gpu-accelerate);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.controls-card:hover {
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-lg), var(--card-glow);
}

@media (max-width: 768px) {
  .controls-card {
    grid-template-columns: 1fr;
  }
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 0 1rem;
  transition: var(--transition-fast);
}

.search-box:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.15);
}

.search-icon {
  font-size: 1.1rem;
  color: var(--text-muted);
}

#search-input {
  width: 100%;
  background: transparent;
  border: none;
  padding: 0.9rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  outline: none;
}

#search-input::placeholder {
  color: var(--text-muted);
}

.clear-button {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.clear-button:hover {
  color: var(--text-primary);
}

.filter-group {
  display: flex;
  gap: 1rem;
}

@media (max-width: 576px) {
  .filter-group {
    flex-direction: column;
  }
}

.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: "▼";
  font-size: 0.65rem;
  color: var(--text-muted);
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

select {
  appearance: none;
  background: var(--bg-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 0.9rem 2.5rem 0.9rem 1.2rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  cursor: pointer;
  outline: none;
  transition: var(--transition-fast);
  min-width: 180px;
}

@media (max-width: 576px) {
  select {
    width: 100%;
  }
}

select:focus {
  border-color: var(--accent-primary);
}

select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Tabs Toggle Controls */
.tabs-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  background: var(--bg-tabs);
  padding: 0.4rem;
  border-radius: var(--radius-full);
  max-width: fit-content;
  margin-left: auto;
  margin-right: auto;
  border: 1px solid var(--border-glass);
}

.tab-pill {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-normal);
  outline: none;
}

.tab-pill:hover {
  color: var(--text-primary);
}

.tab-pill.active {
  background: linear-gradient(135deg, var(--accent-primary) 0%, #8b5cf6 100%);
  color: var(--text-dark);
  box-shadow: 0 4px 15px rgba(167, 139, 250, 0.3);
}

/* Content Sections View Toggle */
.content-section {
  display: none;
  animation: fadeIn 0.4s ease-out forwards;
}

.content-section.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Grid Container */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
}

@media (max-width: 480px) {
  .grid-container {
    grid-template-columns: 1fr;
  }
}

/* Pose & Routine Cards */
.card {
  background: var(--glass-medium-bg);
  backdrop-filter: var(--glass-medium-blur);
  -webkit-backdrop-filter: var(--glass-medium-blur);
  border: 1px solid var(--glass-medium-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  transform: var(--gpu-accelerate);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  background: radial-gradient(circle 220px at var(--mouse-x) var(--mouse-y), rgba(var(--accent-primary-rgb), 0.15), transparent 80%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
  z-index: 1;
}

.card-routine::before {
  background: radial-gradient(circle 220px at var(--mouse-x) var(--mouse-y), rgba(var(--accent-secondary-rgb), 0.15), transparent 80%);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-lg), var(--card-glow);
}

.card:hover::before {
  opacity: 1;
}

/* Routine Card Special Glow */
.card-routine:hover {
  box-shadow: var(--shadow-lg), var(--rose-glow);
  border-color: rgba(244, 63, 94, 0.25);
}

.card-media-wrapper {
  position: relative;
  width: 100%;
  height: 220px;
  background: var(--bg-card-media);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-glass);
}

.card-media-wrapper svg {
  transition: var(--transition-slow);
}

.card:hover .card-media-wrapper svg {
  transform: scale(1.08);
}

.card-badge-group {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}

.badge {
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-difficulty-beginner {
  background: rgba(45, 212, 191, 0.15);
  color: var(--accent-teal);
  border: 1px solid rgba(45, 212, 191, 0.3);
}

.badge-difficulty-intermediate {
  background: rgba(167, 139, 250, 0.15);
  color: var(--accent-primary);
  border: 1px solid rgba(167, 139, 250, 0.3);
}

.badge-difficulty-advanced {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-secondary);
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-category {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  position: relative;
  z-index: 5;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.card-metadata {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metadata-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.metadata-icon {
  font-size: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  outline: none;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

/* Card and Button Shimmer Effect */
.card::after, .btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: -150%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.12),
    transparent
  );
  transform: skewX(-20deg);
  pointer-events: none;
  z-index: 2;
}

.card:hover::after, .btn:hover::after {
  left: 150%;
  transition: left 0.85s cubic-bezier(0.25, 1, 0.5, 1);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, #8b5cf6 100%);
  color: var(--text-dark);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(167, 139, 250, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-rose {
  background: linear-gradient(135deg, var(--accent-secondary) 0%, #e11d48 100%);
  color: var(--text-primary);
  border: none;
}

.btn-rose:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(244, 63, 94, 0.35);
}

/* Empty State Styling */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-glass);
  border-radius: var(--radius-md);
  max-width: 500px;
  margin: 2rem auto;
}

.empty-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
}

.empty-state h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.empty-state p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Modal Overlay Base */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(4, 2, 7, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  padding: 2rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Pose Modal Card */
.modal-card {
  background: var(--glass-dark-bg);
  backdrop-filter: var(--glass-dark-blur);
  -webkit-backdrop-filter: var(--glass-dark-blur);
  border: 1px solid var(--glass-dark-border);
  border-radius: var(--radius-lg);
  max-width: 850px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg), var(--card-glow);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-card {
  transform: scale(1) translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent-primary);
}

.modal-body {
  padding: 3rem;
}

@media (max-width: 768px) {
  .modal-body {
    padding: 2rem 1.5rem;
  }
}

/* Detailed Pose Layout */
.pose-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
}

@media (max-width: 768px) {
  .pose-detail-layout {
    grid-template-columns: 1fr;
  }
}

.pose-detail-media {
  background: var(--glass-light-bg);
  backdrop-filter: var(--glass-light-blur);
  -webkit-backdrop-filter: var(--glass-light-blur);
  border: 1px solid var(--glass-light-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 320px;
  overflow: hidden;
  transform: var(--gpu-accelerate);
}

.pose-detail-info h2 {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}

.pose-detail-badges {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.pose-detail-description {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.pose-section-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pose-benefits-list {
  list-style: none;
  margin-bottom: 1.5rem;
}

.pose-benefits-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.pose-benefits-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--accent-primary);
}

.pose-instructions-list {
  padding-left: 1.25rem;
  margin-bottom: 2rem;
}

.pose-instructions-list li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
  line-height: 1.5;
}

.pose-detail-actions {
  display: flex;
  gap: 1rem;
}

/* Custom HTML5 Video Player Modal Elements */
.video-player-container {
  background: var(--glass-dark-bg);
  backdrop-filter: var(--glass-dark-blur);
  -webkit-backdrop-filter: var(--glass-dark-blur);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 960px;
  width: 100%;
  aspect-ratio: 16/9;
  position: relative;
  box-shadow: 0 20px 50px rgba(0,0,0,0.8), 0 0 40px rgba(167, 139, 250, 0.15);
  border: 1px solid var(--glass-dark-border);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .video-player-container {
  transform: scale(1) translateY(0);
}

.video-modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255,255,255,0.1);
  color: #fff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 50;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: var(--transition-fast);
}

.video-modal-close:hover {
  background: rgba(0, 0, 0, 0.8);
  color: var(--accent-secondary);
}

#custom-video-element {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: pointer;
}

/* Custom Player Controls */
.custom-video-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.5) 70%, rgba(0,0,0,0) 100%);
  padding: 2rem 1.5rem 1rem 1.5rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Reveal controls on hover */
.video-player-container:hover .custom-video-controls,
.video-player-container:focus-within .custom-video-controls,
.custom-video-controls.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Custom Timeline Scrub Bar */
.timeline-container {
  height: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  margin-bottom: 0.25rem;
}

.timeline-track {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  position: relative;
  transition: height 0.15s ease;
}

.timeline-container:hover .timeline-track {
  height: 6px;
}

.timeline-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  border-radius: var(--radius-full);
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  z-index: 2;
}

.timeline-buffered {
  height: 100%;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  z-index: 1;
}

.timeline-handle {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%) scale(0);
  z-index: 3;
  transition: transform 0.15s ease;
  pointer-events: none;
}

.timeline-container:hover .timeline-handle {
  transform: translate(-50%, -50%) scale(1);
}

.controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.controls-left, .controls-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.control-btn {
  background: transparent;
  border: none;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.control-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--accent-primary);
}

.time-display {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  font-family: var(--font-sans);
}

/* Volume Slider */
.volume-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 70px;
  height: 4px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.25);
  outline: none;
  cursor: pointer;
  transition: width 0.2s ease;
}

.volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-primary);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.volume-slider::-webkit-slider-thumb:hover {
  transform: scale(1.3);
  background: var(--accent-primary);
}

/* App Footer */
.app-footer {
  border-top: 1px solid var(--glass-medium-border);
  background: var(--glass-medium-bg);
  backdrop-filter: var(--glass-medium-blur);
  -webkit-backdrop-filter: var(--glass-medium-blur);
  padding: 2rem 0;
  margin-top: auto;
  transform: var(--gpu-accelerate);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Custom Guided Routine Layout in Modal */
.routine-step-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.routine-flow-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 1rem;
}

.routine-flow-header h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
}

.routine-duration-pill {
  background: rgba(244, 63, 94, 0.12);
  color: var(--accent-secondary);
  border: 1px solid rgba(244, 63, 94, 0.25);
  font-weight: 700;
}

.routine-pose-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.routine-pose-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  background: var(--glass-light-bg);
  backdrop-filter: var(--glass-light-blur);
  -webkit-backdrop-filter: var(--glass-light-blur);
  border: 1px solid var(--glass-light-border);
  padding: 1rem;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.routine-pose-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-glass-hover);
  box-shadow: var(--shadow-sm), 0 0 15px rgba(167, 139, 250, 0.08);
}

.routine-pose-num {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-primary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(167, 139, 250, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.routine-pose-meta h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.routine-pose-meta p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.routine-pose-duration {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ==========================================================================
   User Auth Modal & Profile Styling
   ========================================================================== */

/* Auth Tabs */
.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--glass-dark-border);
  background: rgba(0, 0, 0, 0.2);
}

.auth-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 1rem;
  font-family: var(--font-sans);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  text-align: center;
  border-bottom: 2px solid transparent;
}

.auth-tab:hover, .auth-tab.active {
  color: var(--accent-primary);
}

.auth-tab.active {
  border-bottom-color: var(--accent-primary);
  background: rgba(167, 139, 250, 0.03);
}

/* Auth Form */
.auth-form {
  display: none;
  flex-direction: column;
  gap: 1.25rem;
  animation: fadeIn 0.3s ease-out;
}

.auth-form.active-form {
  display: flex;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--glass-dark-border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-group input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.2);
}

.form-error-msg {
  background: rgba(244, 63, 94, 0.1);
  color: var(--accent-secondary);
  border: 1px solid rgba(244, 63, 94, 0.2);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  text-align: center;
}

.btn-block {
  width: 100%;
  padding: 0.8rem;
  font-size: 0.95rem;
}

/* Profile Section Styling */
.profile-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  animation: fadeIn 0.4s ease-out;
}

.profile-header-card {
  background: var(--glass-medium-bg);
  backdrop-filter: var(--glass-medium-blur);
  -webkit-backdrop-filter: var(--glass-medium-blur);
  border: 1px solid var(--glass-medium-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2.5rem;
  box-shadow: var(--shadow-md);
  transform: var(--gpu-accelerate);
}

@media (max-width: 768px) {
  .profile-header-card {
    flex-direction: column;
    text-align: center;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
  }
}

.profile-avatar {
  width: 80px;
  height: 80px;
  background: rgba(167, 139, 250, 0.1);
  border: 1px solid rgba(167, 139, 250, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  box-shadow: 0 0 20px rgba(167, 139, 250, 0.15);
}

.profile-info-details {
  flex-grow: 1;
}

.profile-info-details h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.profile-info-details p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.profile-stats {
  display: flex;
  gap: 2rem;
}

@media (max-width: 576px) {
  .profile-stats {
    width: 100%;
    justify-content: space-around;
  }
}

.stat-box {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-primary);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}

/* Profile content grid */
.profile-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 992px) {
  .profile-content-grid {
    grid-template-columns: 1fr;
  }
}

.profile-panel {
  background: var(--glass-medium-bg);
  backdrop-filter: var(--glass-medium-blur);
  -webkit-backdrop-filter: var(--glass-medium-blur);
  border: 1px solid var(--glass-medium-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.profile-panel h3 {
  font-size: 1.25rem;
  font-weight: 600;
  border-bottom: 1px solid var(--glass-medium-border);
  padding-bottom: 0.75rem;
  margin-bottom: 0.5rem;
}

.profile-favorites-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.fav-pose-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--glass-light-border);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.fav-pose-item:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(167, 139, 250, 0.2);
}

.profile-history-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--glass-light-border);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.history-item:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(244, 63, 94, 0.2);
}

/* Modal Auth sizing override */
.modal-auth-card {
  max-width: 420px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.auth-modal-body {
  padding: 2rem 2.5rem;
}

/* ==========================================================================
   Admin Dashboard & Controls Styling
   ========================================================================== */

.admin-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  animation: fadeIn 0.4s ease-out;
}

.admin-header-card {
  background: var(--glass-medium-bg);
  backdrop-filter: var(--glass-medium-blur);
  -webkit-backdrop-filter: var(--glass-medium-blur);
  border: 1px solid var(--glass-medium-border);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  gap: 2.5rem;
  box-shadow: var(--shadow-md);
}

.admin-avatar {
  width: 80px;
  height: 80px;
  background: rgba(244, 63, 94, 0.1);
  border: 1px solid rgba(244, 63, 94, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  box-shadow: 0 0 20px rgba(244, 63, 94, 0.15);
}

.admin-info-details h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.admin-info-details p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Admin Sub-Tabs styling */
.admin-sub-tabs {
  display: flex;
  gap: 1rem;
  border-bottom: 1px solid var(--glass-medium-border);
  padding-bottom: 0.75rem;
}

.admin-sub-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.admin-sub-tab:hover, .admin-sub-tab.active {
  color: var(--text-primary);
  background: var(--glass-light-bg);
}

.admin-sub-tab.active {
  color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.1);
}

/* Glassmorphic Table */
.admin-table-wrapper {
  background: var(--glass-medium-bg);
  backdrop-filter: var(--glass-medium-blur);
  -webkit-backdrop-filter: var(--glass-medium-blur);
  border: 1px solid var(--glass-medium-border);
  border-radius: var(--radius-md);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-family: var(--font-sans);
}

.admin-table th {
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--glass-medium-border);
}

.admin-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--glass-light-border);
  color: var(--text-primary);
  vertical-align: middle;
}

.admin-table tbody tr {
  transition: var(--transition-fast);
}

.admin-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.admin-table tbody tr:last-child td {
  border-bottom: none;
}

/* Admin Reports Statistics Cards Grid */
.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.admin-stat-card {
  background: var(--glass-medium-bg);
  backdrop-filter: var(--glass-medium-blur);
  -webkit-backdrop-filter: var(--glass-medium-blur);
  border: 1px solid var(--glass-medium-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-medium);
}

.admin-stat-card:hover {
  transform: translateY(-5px);
  border-color: rgba(167, 139, 250, 0.3);
  box-shadow: 0 10px 20px rgba(167, 139, 250, 0.08);
}

.modal-inspect-card {
  background: var(--glass-dark-bg);
  backdrop-filter: var(--glass-heavy-blur);
  -webkit-backdrop-filter: var(--glass-heavy-blur);
  border: 1px solid var(--glass-heavy-border);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
  .admin-header-card {
    flex-direction: column;
    text-align: center;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
  }
}

/* ==========================================================================
   Fullscreen Auth Gate Styling
   ========================================================================== */

#auth-gate-fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at center, rgba(17, 24, 39, 0.85) 0%, rgba(3, 7, 18, 0.98) 100%);
  z-index: 9999;
  overflow-y: auto;
  padding: 2rem;
}

.auth-gate-card {
  background: var(--glass-medium-bg);
  backdrop-filter: var(--glass-heavy-blur);
  -webkit-backdrop-filter: var(--glass-heavy-blur);
  border: 1px solid var(--glass-medium-border);
  border-radius: var(--radius-md);
  padding: 3rem 2.5rem;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform: var(--gpu-accelerate);
  animation: fadeIn 0.4s ease-out;
}

.auth-gate-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.auth-gate-tagline {
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-align: center;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.auth-gate-body {
  margin-top: 0.5rem;
}

#auth-gate-fullscreen .auth-tabs {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--glass-dark-border);
}

/* ==========================================================================
   Visual Themes Overrides (Ethereal Light & Zen Sunset)
   ========================================================================== */

/* 3.1 Ethereal Light (Light Glassmorphism Theme) */
.theme-light {
  --bg-primary: #f5f4f8; /* Soft warm-lavender off-white */
  --bg-secondary: #e9e8f0; /* Soft cool grey-purple */
  --bg-card: rgba(255, 255, 255, 0.45); /* Light glass background */
  --bg-card-hover: rgba(255, 255, 255, 0.65);
  --border-glass: rgba(167, 139, 250, 0.12);
  --border-glass-hover: rgba(167, 139, 250, 0.45);
  
  --accent-primary: #7c3aed; /* Vibrant Violet for light mode readability */
  --accent-primary-rgb: 124, 58, 237;
  --accent-secondary: #db2777; /* Vibrant Rose */
  --accent-secondary-rgb: 219, 39, 119;
  --accent-teal: #0d9488;
  
  --text-primary: #1e1b4b; /* Deep Indigo for high contrast text */
  --text-secondary: #475569; /* Slate gray */
  --text-muted: #6b7280;
  --text-dark: #f9fafb;
  
  --shadow-sm: 0 4px 12px rgba(167, 139, 250, 0.05);
  --shadow-md: 0 10px 30px rgba(167, 139, 250, 0.08);
  --shadow-lg: 0 20px 50px rgba(167, 139, 250, 0.12);
  --card-glow: 0 0 25px rgba(124, 58, 237, 0.12);
  --rose-glow: 0 0 25px rgba(219, 39, 119, 0.12);

  --glass-light-bg: rgba(255, 255, 255, 0.25);
  --glass-light-border: rgba(167, 139, 250, 0.08);
  
  --glass-medium-bg: rgba(255, 255, 255, 0.55);
  --glass-medium-border: rgba(167, 139, 250, 0.15);
  
  --glass-dark-bg: rgba(255, 255, 255, 0.85);
  --glass-dark-border: rgba(167, 139, 250, 0.22);
  
  --bg-input: rgba(255, 255, 255, 0.8);
  --bg-card-media: rgba(167, 139, 250, 0.05);
  --bg-tabs: rgba(167, 139, 250, 0.08);
  --scrollbar-thumb: #d1d5db;
  
  --glow-color-1: rgba(167, 139, 250, 0.15);
  --glow-color-2: rgba(244, 63, 94, 0.1);
  --glow-color-3: rgba(99, 102, 241, 0.12);
}

/* 3.2 Zen Sunset (Warm Dusk/Amber Sunset Theme) */
.theme-sunset {
  --bg-primary: #1a0f20; /* Deep dusk purple */
  --bg-secondary: #291630; /* Medium dusk purple */
  --bg-card: rgba(42, 22, 49, 0.5); /* Rose glass background */
  --bg-card-hover: rgba(57, 29, 67, 0.7);
  --border-glass: rgba(251, 146, 60, 0.15); /* Orange/amber glass border */
  --border-glass-hover: rgba(244, 63, 94, 0.35); /* Rose border */
  
  --accent-primary: #fb923c; /* Amber/Orange */
  --accent-primary-rgb: 251, 146, 60;
  --accent-secondary: #f43f5e; /* Rose */
  --accent-secondary-rgb: 244, 63, 94;
  --accent-teal: #fbbf24;
  
  --text-primary: #fffaf3; /* Warm off-white */
  --text-secondary: #fed7aa; /* Soft orange/amber white */
  --text-muted: #c0b3cb; /* Muted dusk gray */
  --text-dark: #1a0f20;
  
  --shadow-sm: 0 4px 12px rgba(26, 15, 32, 0.2);
  --shadow-md: 0 10px 30px rgba(26, 15, 32, 0.3);
  --shadow-lg: 0 20px 50px rgba(26, 15, 32, 0.4);
  --card-glow: 0 0 25px rgba(251, 146, 60, 0.2);
  --rose-glow: 0 0 25px rgba(244, 63, 94, 0.2);

  --glass-light-bg: rgba(255, 255, 255, 0.02);
  --glass-light-border: rgba(251, 146, 60, 0.08);
  
  --glass-medium-bg: rgba(42, 22, 49, 0.5);
  --glass-medium-border: rgba(251, 146, 60, 0.12);
  
  --glass-dark-bg: rgba(26, 15, 32, 0.85);
  --glass-dark-border: rgba(251, 146, 60, 0.18);
  
  --bg-input: rgba(26, 15, 32, 0.5);
  --bg-card-media: #23122c;
  --bg-tabs: rgba(42, 22, 49, 0.4);
  --scrollbar-thumb: #3d2149;
  
  --glow-color-1: rgba(251, 146, 60, 0.25);
  --glow-color-2: rgba(244, 63, 94, 0.2);
  --glow-color-3: rgba(239, 68, 68, 0.15);
}

/* Global Transition Rules for Seamless Swapping */
body, 
.app-header, 
.controls-card, 
select, 
.search-box, 
.card, 
.card-media-wrapper,
.profile-header-card, 
.profile-favorites-list .favorite-item, 
.profile-history-list .history-item, 
.tabs-container, 
.tab-pill, 
table, 
th, 
td, 
.inspect-details-card, 
.admin-report-card, 
.btn,
.profile-avatar,
.logo {
  transition: background var(--transition-normal), 
              background-color var(--transition-normal), 
              color var(--transition-normal), 
              border-color var(--transition-normal), 
              box-shadow var(--transition-normal);
}

/* Admin Overview Dashboard Additions */
.admin-insights-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.admin-insight-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-light-border);
  transition: var(--transition-fast);
}

.admin-insight-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(167, 139, 250, 0.2);
}

.admin-insight-card.alert-warning {
  border-left: 4px solid var(--accent-secondary);
}

.admin-insight-card.alert-info {
  border-left: 4px solid var(--accent-primary);
}

.admin-insight-card.alert-success {
  border-left: 4px solid var(--accent-teal);
}

.admin-insight-icon {
  font-size: 1.75rem;
}

.admin-insight-content {
  flex-grow: 1;
}

.admin-insight-content h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.admin-insight-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.admin-timeline-feed, .admin-payments-feed {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.admin-timeline-item, .admin-payment-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--glass-light-border);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.admin-timeline-item:hover, .admin-payment-item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.feed-item-left {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.feed-item-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.feed-item-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.feed-item-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
}

.feed-item-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-transform: uppercase;
}

.badge-paid {
  background: rgba(45, 212, 191, 0.15);
  color: var(--accent-teal);
}

.badge-pending {
  background: rgba(251, 146, 60, 0.15);
  color: #fb923c;
}

.badge-review {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.badge-overdue {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-secondary);
}

.badge-scheduled {
  background: rgba(167, 139, 250, 0.15);
  color: var(--accent-primary);
}

.badge-rescheduled {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.badge-cancelled {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-secondary);
}

.badge-active {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.badge-paused {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
}

.badge-expired {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-secondary);
}

.badge-tier-basic {
  background: rgba(156, 163, 175, 0.15);
  color: #d1d5db;
}

.badge-tier-premium {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
}

.badge-tier-vip {
  background: rgba(236, 72, 153, 0.15);
  color: #f472b6;
  border: 1px solid rgba(236, 72, 153, 0.3);
}

.badge-status-new {
  background: rgba(59, 130, 246, 0.12);
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.25);
}

.badge-status-contacted {
  background: rgba(245, 158, 11, 0.12);
  color: #f59e0b;
  border-color: rgba(245, 158, 11, 0.25);
}

.badge-status-converted {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.25);
}

.badge-status-closed {
  background: rgba(107, 114, 128, 0.12);
  color: #9ca3af;
  border-color: rgba(107, 114, 128, 0.25);
}

.feed-item-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Scrollbar tuning for dashboard timelines */
.admin-timeline-feed::-webkit-scrollbar, .admin-payments-feed::-webkit-scrollbar {
  width: 6px;
}
.admin-timeline-feed::-webkit-scrollbar-thumb, .admin-payments-feed::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

/* Student Dashboard & Client Pages Additions */
.profile-sub-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  outline: none;
}

.profile-sub-tab:hover, .profile-sub-tab.active {
  color: var(--text-primary);
  background: var(--glass-light-bg);
}

.profile-sub-tab.active {
  color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.1);
}

.profile-panel-content {
  display: none;
  animation: fadeIn 0.4s ease-out forwards;
}

.profile-panel-content.active-panel {
  display: block;
}

.profile-sessions-feed::-webkit-scrollbar {
  width: 6px;
}
.profile-sessions-feed::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 4px;
}

.profile-session-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.15rem;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--glass-light-border);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.profile-session-row:hover {
  background: rgba(255, 255, 255, 0.03);
}

@media (max-width: 992px) {
  .profile-dashboard-top-row {
    grid-template-columns: 1fr !important;
  }
}

/* ==========================================================================
   Payments, Reminders, & Receipts Styling
   ========================================================================== */

/* Overdue Payment Alert Banner */
.overdue-alert-banner {
  position: sticky;
  top: 70px; /* height of header navbar */
  z-index: 99;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.95), rgba(124, 58, 237, 0.9));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(239, 68, 68, 0.3);
  box-shadow: 0 4px 20px rgba(239, 68, 68, 0.25);
  padding: 0.85rem 1.5rem;
  transition: all var(--transition-medium);
}

.overdue-banner-content {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.overdue-banner-icon {
  font-size: 1.25rem;
  filter: drop-shadow(0 0 8px rgba(255, 255, 255, 0.8));
}

.overdue-banner-text {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  flex-grow: 1;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.overdue-banner-close {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.overdue-banner-close:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* Detailed Receipt Modal Overlay & Layout */
.receipt-modal-card {
  background: var(--glass-deep-bg) !important;
  border: 1px solid var(--glass-medium-border) !important;
  box-shadow: var(--shadow-xl), 0 0 40px rgba(124, 58, 237, 0.15) !important;
}

.receipt-details-container {
  color: var(--text-primary);
  font-family: var(--font-sans);
}

.receipt-header {
  text-align: center;
  margin-bottom: 2rem;
  border-bottom: 2px dashed var(--glass-medium-border);
  padding-bottom: 1.5rem;
}

.receipt-header h2 {
  font-family: var(--font-serif);
  color: var(--accent-primary);
  margin-bottom: 0.25rem;
  font-size: 1.75rem;
}

.receipt-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.receipt-row {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--glass-light-border);
  font-size: 0.95rem;
}

.receipt-row strong {
  color: var(--text-secondary);
  font-weight: 500;
}

.receipt-row span {
  font-weight: 600;
}

.receipt-total {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
  margin-top: 1rem;
  font-size: 1.25rem;
  border-top: 2px dashed var(--glass-medium-border);
  color: var(--accent-primary);
  font-weight: 700;
}

.receipt-stamp-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1.5rem;
  position: relative;
}

.receipt-stamp {
  border: 3px double rgba(167, 139, 250, 0.4);
  color: rgba(167, 139, 250, 0.6);
  text-transform: uppercase;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transform: rotate(-5deg);
  letter-spacing: 0.15em;
}

.print-btn-container {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
}

.btn-print-receipt {
  width: 100%;
}

/* Print Styling Override */
@media print {
  body * {
    visibility: hidden;
  }
  #receipt-modal, #receipt-modal * {
    visibility: visible;
  }
  #receipt-modal {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: auto;
    background: #ffffff !important;
    color: #111111 !important;
    box-shadow: none !important;
    border: none !important;
    padding: 0 !important;
  }
  .receipt-modal-card {
    position: absolute;
    left: 0;
    top: 0;
    width: 100% !important;
    max-width: 100% !important;
    background: #ffffff !important;
    color: #111111 !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    transform: none !important;
  }
  .modal-close, .print-btn-container {
    display: none !important;
  }
  .receipt-details-container {
    color: #111111 !important;
  }
  .receipt-row {
    border-bottom: 1px solid #eaeaea !important;
    color: #111111 !important;
  }
  .receipt-row strong {
    color: #444444 !important;
  }
  .receipt-row span {
    color: #111111 !important;
  }
  .receipt-header h2 {
    color: #7c3aed !important;
  }
  .receipt-header p {
    color: #666666 !important;
  }
  .receipt-total {
    border-top: 2px dashed #111111 !important;
    color: #7c3aed !important;
  }
  .receipt-stamp {
    border-color: #7c3aed !important;
    color: #7c3aed !important;
  }
}

/* Leads Kanban Swimlane Board Styles */
.leads-swimlane-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  align-items: start;
  overflow-x: auto;
  padding: 0.5rem 0.2rem;
  scrollbar-width: thin;
}

@media (max-width: 1024px) {
  .leads-swimlane-board {
    display: flex;
  }
  .swimlane-column {
    flex: 0 0 280px;
  }
}

.swimlane-column {
  background: rgba(22, 16, 36, 0.3);
  border: 1px solid var(--glass-light-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  max-height: 580px;
  min-height: 200px;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.swimlane-column:hover {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-sm);
}

.swimlane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-glass);
}

.swimlane-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.swimlane-count {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

/* Color markers for columns */
.swimlane-column[data-status="New"] .swimlane-header h3 {
  color: var(--accent-primary);
}
.swimlane-column[data-status="Contacted"] .swimlane-header h3 {
  color: var(--accent-teal);
}
.swimlane-column[data-status="Converted"] .swimlane-header h3 {
  color: #10B981; /* Green */
}
.swimlane-column[data-status="Closed"] .swimlane-header h3 {
  color: var(--text-muted);
}

.swimlane-cards-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
  flex-grow: 1;
  padding-right: 0.25rem;
}

.swimlane-cards-container::-webkit-scrollbar {
  width: 4px;
}
.swimlane-cards-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
}

.lead-card {
  background: var(--glass-light-bg);
  border: 1px solid var(--glass-light-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.lead-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(167, 139, 250, 0.1);
}

.lead-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.lead-card-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.lead-card-date {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.lead-card-details {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  word-break: break-all;
}

.lead-card-msg {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 0.25rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.05);
  padding-top: 0.35rem;
}

.lead-card-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 0.5rem;
}

.lead-card-move-btns {
  display: flex;
  gap: 0.35rem;
}

.lead-move-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--transition-fast);
}

.lead-move-btn:hover {
  background: var(--accent-primary);
  color: var(--text-dark);
  border-color: var(--accent-primary);
}

.lead-inspect-link {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-decoration: none;
  cursor: pointer;
}

.lead-inspect-link:hover {
  text-decoration: underline;
  color: var(--text-primary);
}