/* ==========================================================================
   YogiCal - Design System & Modern UI Stylesheet
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette - Botanical Zen & Vibrant Accents */
  --primary-emerald: #1B4332;
  --primary-emerald-light: #2D6A4F;
  --accent-terracotta: #E07A5F;
  --accent-terracotta-hover: #D05E41;
  --accent-sage: #81B29A;
  --accent-sage-light: #E8F3EE;
  --accent-gold: #F2CC8F;
  --bg-sand: #FAF8F5;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.7);
  --border-light: rgba(27, 67, 50, 0.12);
  --text-dark: #1D2D27;
  --text-muted: #5C6F68;
  --text-light: #F8F9FA;
  
  /* Shadows & Glassmorphism */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(27, 67, 50, 0.08);
  --shadow-lg: 0 16px 40px rgba(27, 67, 50, 0.12);
  --glass-border: 1px solid rgba(255, 255, 255, 0.6);
  --backdrop-blur: blur(12px);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  /* Layout */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --primary-emerald: #52B788;
  --primary-emerald-light: #74C69D;
  --bg-sand: #0F1715;
  --bg-card: rgba(23, 35, 32, 0.85);
  --bg-glass: rgba(23, 35, 32, 0.75);
  --border-light: rgba(255, 255, 255, 0.1);
  --text-dark: #EAEFEF;
  --text-muted: #9BB0A8;
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --accent-sage-light: rgba(129, 178, 154, 0.15);
}

/* Base Reset & Globals */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-sand);
  color: var(--text-dark);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(129, 178, 154, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(224, 122, 95, 0.1) 0%, transparent 40%);
  background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  font-weight: 600;
  line-height: 1.25;
}

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

a {
  color: var(--primary-emerald-light);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent-terracotta);
}

/* App Header & Navigation */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: var(--glass-border);
  padding: 0.85rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-emerald), var(--accent-sage));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  box-shadow: 0 4px 12px rgba(27, 67, 50, 0.2);
}

.brand-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--primary-emerald), var(--accent-terracotta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.05);
  padding: 0.25rem;
  border-radius: var(--radius-full);
  gap: 0.25rem;
}

[data-theme="dark"] .nav-tabs {
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-btn:hover {
  color: var(--text-dark);
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--primary-emerald);
  box-shadow: var(--shadow-sm);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* User Account Switcher Controls */
.user-switcher-container {
  position: relative;
}

.user-pill-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  border: var(--glass-border);
  padding: 0.35rem 0.85rem 0.35rem 0.4rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-dark);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.user-pill-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.user-pill-img {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.user-dropdown-menu {
  position: absolute;
  top: 115%;
  right: 0;
  width: 260px;
  background: var(--bg-card);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  backdrop-filter: var(--backdrop-blur);
  padding: 0.5rem;
  z-index: 1200;
  display: none;
  animation: fadeIn 0.2s ease forwards;
}

.user-dropdown-menu.active {
  display: block;
}

.dropdown-header {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.5rem 0.75rem 0.25rem 0.75rem;
  letter-spacing: 0.05em;
}

.user-item-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.user-item-row:hover {
  background: var(--accent-sage-light);
}

.user-item-row.active {
  background: rgba(27, 67, 50, 0.1);
  font-weight: 700;
}

.user-item-row img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.dropdown-divider {
  height: 1px;
  background: var(--border-light);
  margin: 0.4rem 0;
}

.dropdown-item-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.dropdown-item-btn:hover {
  background: rgba(0,0,0,0.05);
}

/* Auth Modal Tabs */
.auth-tabs {
  display: flex;
  background: var(--bg-sand);
  border-radius: var(--radius-md);
  padding: 0.25rem;
  margin-bottom: 1.5rem;
}

.auth-tab-btn {
  flex: 1;
  padding: 0.5rem;
  border: none;
  background: transparent;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.auth-tab-btn.active {
  background: var(--bg-card);
  color: var(--primary-emerald);
  box-shadow: var(--shadow-sm);
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: var(--glass-border);
  background: var(--bg-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  font-size: 1.1rem;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  transform: scale(1.05);
}

/* Main Container */
.main-content {
  max-width: 1280px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

/* View Sections */
.view-section {
  display: none;
  animation: fadeIn 0.35s ease forwards;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & Panels */
.panel-card {
  background: var(--bg-card);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-title {
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* Yogi Profile Banner */
.profile-banner {
  background: linear-gradient(135deg, rgba(27, 67, 50, 0.9), rgba(45, 106, 79, 0.8)), url('https://images.unsplash.com/photo-1545205597-3d9d02c29597?auto=format&fit=crop&w=1200&q=80') center/cover;
  color: white;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.profile-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  border: 3px solid rgba(255, 255, 255, 0.8);
  object-fit: cover;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.profile-details h2 {
  color: white;
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.profile-details p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
}

.profile-badges {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.profile-badge {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
}

/* Button System */
.btn {
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: var(--accent-terracotta);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-terracotta-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(224, 122, 95, 0.3);
}

.btn-secondary {
  background: var(--accent-sage-light);
  color: var(--primary-emerald);
}

.btn-secondary:hover {
  background: rgba(129, 178, 154, 0.3);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-dark);
}

.btn-outline:hover {
  background: rgba(0, 0, 0, 0.04);
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

/* Grid & Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

/* Class Card Component */
.class-card {
  background: var(--bg-card);
  border: var(--glass-border);
  border-left: 5px solid var(--card-accent, var(--primary-emerald));
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.class-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.class-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.class-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark);
}

.studio-pill {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  color: white;
  background: var(--studio-color, var(--primary-emerald));
}

.class-time-badge {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--primary-emerald);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.class-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.class-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.style-tag {
  display: inline-block;
  background: var(--accent-sage-light);
  color: var(--primary-emerald);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  width: fit-content;
  margin-bottom: 0.5rem;
}

.class-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-light);
}

/* Filters & Controls */
.filter-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  align-items: center;
  background: var(--bg-card);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: var(--glass-border);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-select, .form-input, .form-textarea {
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: var(--bg-sand);
  color: var(--text-dark);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.form-select:focus, .form-input:focus, .form-textarea:focus {
  border-color: var(--accent-sage);
  box-shadow: 0 0 0 3px rgba(129, 178, 154, 0.25);
}

/* Modal Dialog */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

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

.modal-container {
  background: var(--bg-card);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
}

/* Google Maps AutoComplete Dropdown Overlay */
.maps-suggestions-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 1500;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  max-height: 220px;
  overflow-y: auto;
  display: none;
  margin-top: 4px;
}

.maps-suggestions-list.active {
  display: block;
}

.maps-suggestion-item {
  padding: 0.65rem 1rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.maps-suggestion-item:last-child {
  border-bottom: none;
}

.maps-suggestion-item:hover {
  background: var(--accent-sage-light);
}

.maps-item-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.maps-item-address {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Feed Link Box */
.feed-box {
  background: linear-gradient(135deg, rgba(27, 67, 50, 0.05), rgba(224, 122, 95, 0.05));
  border: 1px dashed var(--primary-emerald);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 1rem;
}

.feed-url-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: monospace;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: var(--bg-sand);
  color: var(--text-dark);
  margin-bottom: 1rem;
}

/* Studio Badge List */
.studio-badge-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-sand);
  border: 1px solid var(--border-light);
}

.studio-badge-color {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--primary-emerald);
  color: white;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-weight: 500;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideUp 0.3s ease forwards;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
  .app-header {
    padding: 0.75rem 1rem;
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .nav-tabs {
    width: 100%;
    justify-content: center;
  }

  .tab-btn {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-group.full-width {
    grid-column: span 1;
  }

  .profile-banner {
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
  }
}