/**
 * BRIDE BUDDY - Reusable Component Library
 * Luxury Botanical-Tech UI Components
 */

/* ================================================================
   FROSTED GLASS CARDS
   ================================================================ */

.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop-filter);
  -webkit-backdrop-filter: var(--glass-backdrop-filter);
  border: var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--glow-gold);
  color: var(--color-body);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--glow-gold-strong);
  transform: translateY(-4px);
}

.card-sm {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
}

.card-lg {
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
}

.card-gold-accent {
  border: var(--border-width-2) solid var(--color-border);
  box-shadow: var(--glow-gold-strong);
}

.card-featured {
  background: linear-gradient(135deg, var(--color-surface-strong), rgba(255, 235, 205, 0.35));
  border: var(--border-width-2) solid var(--color-border-strong);
  box-shadow: var(--shadow-2xl);
}

/* ================================================================
   BUTTONS
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius-lg);
  border: none;
  padding: var(--space-3) var(--space-6);
  min-height: 44px; /* Touch-friendly */
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn:active {
  transform: translateY(1px);
}

/* Primary Button (Gold Gradient) */
.btn-primary {
  background: var(--gradient-gold);
  color: var(--color-background-top);
  box-shadow: 0 4px 20px rgba(201, 169, 97, 0.5);
  transition: all var(--transition-base);
}

.btn-primary:hover {
  background: var(--gradient-gold-bright);
  box-shadow: 0 6px 28px rgba(201, 169, 97, 0.6);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button (Outline) */
.btn-secondary {
  background: transparent;
  color: var(--color-body);
  border: var(--border-width-2) solid rgba(245, 230, 211, 0.6);
  box-shadow: none;
}

.btn-secondary:hover {
  background: rgba(245, 230, 211, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Tertiary Button (Text Only) */
.btn-tertiary {
  background: transparent;
  color: var(--color-accent);
  box-shadow: none;
  padding: var(--space-2) var(--space-4);
}

.btn-tertiary:hover {
  background: rgba(201, 169, 97, 0.12);
}

/* Button Sizes */
.btn-sm {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
  min-height: 36px;
}

.btn-lg {
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-8);
  min-height: 56px;
  border-radius: var(--radius-xl);
}

.btn-full {
  width: 100%;
}

/* Button States */
.btn-loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid currentColor;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.6s linear infinite;
}

.btn-primary.btn-loading::after {
  border-color: var(--color-background-top);
  border-top-color: transparent;
}

/* Icon Buttons */
.btn-icon {
  padding: var(--space-3);
  min-height: 44px;
  width: 44px;
  border-radius: var(--radius-full);
}

.btn-icon.btn-sm {
  min-height: 36px;
  width: 36px;
  padding: var(--space-2);
}

/* ================================================================
   FORM INPUTS
   ================================================================ */

.form-group {
  margin-bottom: var(--space-6);
}


.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-body);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-body);
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  min-height: 48px; /* Touch-friendly */
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.25);
}

.form-input::placeholder {
  color: var(--color-body-muted);
  opacity: 1;
}

/* Textarea */
.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Error State */
.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error {
  border-color: var(--color-rust);
  background-color: var(--color-rust-10);
}

.form-error {
  display: none;
  font-size: var(--text-sm);
  color: var(--color-rust);
  margin-top: var(--space-2);
}

.form-input.is-error ~ .form-error,
.form-select.is-error ~ .form-error,
.form-textarea.is-error ~ .form-error {
  display: block;
}

/* Success State */
.form-input.is-success,
.form-select.is-success,
.form-textarea.is-success {
  border-color: var(--color-accent);
  background-color: var(--color-gold-10);
}

/* Disabled State */
.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: rgba(255, 255, 255, 0.05);
}

/* Password Input with Toggle */
.form-input-wrapper {
  position: relative;
}

.form-input-wrapper .form-input {
  padding-right: var(--space-12);
}

.password-toggle {
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-body);
  cursor: pointer;
  padding: var(--space-2);
  font-size: var(--text-lg);
  transition: color var(--transition-fast);
}

.password-toggle:hover {
  color: var(--color-accent);
}

/* Checkbox */
.checkbox-wrapper {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.checkbox-input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: var(--border-width-2) solid rgba(245, 230, 211, 0.6);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: rgba(255, 255, 255, 0.02);
}

.checkbox-input:checked {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.checkbox-label {
  flex: 1;
  font-size: var(--text-base);
  color: var(--color-body);
  cursor: pointer;
  user-select: none;
}

/* Toggle Switch */

.toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}


.toggle-switch {
  position: relative;
  width: 52px;
  height: 28px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-base);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 24px;
  height: 24px;
  background-color: var(--color-white);
  border-radius: 50%;
  transition: transform var(--transition-base);
}

.toggle-input {
  display: none;
}

.toggle-input:checked + .toggle-switch {
  background-color: var(--color-gold);
}

.toggle-input:checked + .toggle-switch::after {
  transform: translateX(24px);
}

/* ================================================================
   NAVIGATION
   ================================================================ */

/* Top Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--color-navy-95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-gold-20);
  padding: var(--space-4) 0;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.navbar-logo {
  height: 40px;
  width: auto;
}

.navbar-center {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.navbar-wedding-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-gold);
  text-align: center;
}

.navbar-menu {
  position: relative;
}

.navbar-user-button {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: none;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
}

.navbar-user-button:hover {
  background: var(--color-gold-20);
}

.navbar-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--gradient-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-bold);
  color: var(--color-navy);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  min-width: 200px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop-filter);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.dropdown-menu.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  color: var(--color-navy);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  border: none;
  background: none;
  font-family: var(--font-body);
  font-size: var(--text-base);
  text-align: left;
  cursor: pointer;
}

.dropdown-item:hover {
  background: var(--color-gold-20);
  color: var(--color-gold);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-gold-20);
  margin: var(--space-2) 0;
}

/* Sidebar Navigation */
.sidebar {
  position: fixed;
  left: 0;
  top: 72px; /* Below navbar */
  bottom: 0;
  width: 260px;
  background: var(--color-navy-95);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--color-gold-20);
  padding: var(--space-6) 0;
  overflow-y: auto;
  z-index: var(--z-fixed);
  transition: transform var(--transition-base);
}

@media (max-width: 1023px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.is-open {
    transform: translateX(0);
  }
}

.sidebar-nav {
  list-style: none;
  padding: 0 var(--space-4);
}

.sidebar-item {
  margin-bottom: var(--space-2);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-white);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  font-weight: var(--font-medium);
}

.sidebar-link:hover {
  background: var(--color-gold-20);
  color: var(--color-gold);
}

.sidebar-link.is-active {
  background: var(--gradient-gold);
  color: var(--color-navy);
  font-weight: var(--font-bold);
}

.sidebar-icon {
  font-size: var(--text-xl);
}

/* Mobile Bottom Navigation */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-navy-95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--color-gold-20);
  padding: var(--space-2) 0;
  z-index: var(--z-fixed);
}

@media (max-width: 1023px) {
  .bottom-nav {
    display: flex;
    justify-content: space-around;
  }
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2);
  color: var(--color-white);
  text-decoration: none;
  font-size: var(--text-xs);
  transition: color var(--transition-fast);
}

.bottom-nav-item.is-active {
  color: var(--color-gold);
}

.bottom-nav-icon {
  font-size: var(--text-2xl);
}

/* ================================================================
   MODALS
   ================================================================ */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-navy-80);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-backdrop.is-active {
  opacity: 1;
  visibility: visible;
}

.modal {
  position: relative;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop-filter);
  border: var(--glass-border);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.modal-backdrop.is-active .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-gold-20);
}

.modal-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-navy);
  margin: 0;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-burgundy);
  font-size: var(--text-2xl);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-rust-10);
  color: var(--color-rust);
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-6);
  border-top: 1px solid var(--color-gold-20);
}

/* ================================================================
   TOASTS / NOTIFICATIONS
   ================================================================ */

.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 420px;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop-filter);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  animation: slideInRight var(--transition-base) ease-out;
}

.toast-success {
  border-left: 4px solid var(--color-gold);
}

.toast-error {
  border-left: 4px solid var(--color-rust);
}

.toast-info {
  border-left: 4px solid var(--color-burgundy);
}

.toast-warning {
  border-left: 4px solid var(--color-rust);
}

.toast-icon {
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.toast-success .toast-icon { color: var(--color-gold); }
.toast-error .toast-icon { color: var(--color-rust); }
.toast-info .toast-icon { color: var(--color-burgundy); }

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-semibold);
  color: var(--color-navy);
  margin-bottom: var(--space-1);
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--color-burgundy);
  margin: 0;
}

.toast-close {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-burgundy);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.toast-close:hover {
  background: var(--color-burgundy-10);
}

/* ================================================================
   BADGES & TAGS
   ================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-gold {
  background: var(--gradient-gold);
  color: var(--color-navy);
}

.badge-burgundy {
  background: var(--color-burgundy-20);
  color: var(--color-burgundy);
}

.badge-navy {
  background: var(--color-navy-20);
  color: var(--color-navy);
}

.badge-outlined {
  background: transparent;
  border: var(--border-width) solid currentColor;
}

/* ================================================================
   LOADING STATES
   ================================================================ */

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-cream);
  border-top-color: var(--color-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 6px;
}

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-cream) 0%,
    var(--color-gold-10) 50%,
    var(--color-cream) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

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

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-2);
}

.skeleton-heading {
  height: 2em;
  width: 60%;
  margin-bottom: var(--space-4);
}

/* ================================================================
   AVATARS
   ================================================================ */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--text-sm);
}

.avatar-md {
  width: 48px;
  height: 48px;
  font-size: var(--text-base);
}

.avatar-lg {
  width: 64px;
  height: 64px;
  font-size: var(--text-xl);
}

.avatar-gold {
  background: var(--gradient-gold);
  color: var(--color-navy);
  font-weight: var(--font-bold);
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Avatar Group */
.avatar-group {
  display: flex;
  align-items: center;
}

.avatar-group .avatar {
  margin-left: -12px;
  border: 2px solid var(--color-cream);
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

/* ================================================================
   DIVIDERS
   ================================================================ */

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: var(--space-6) 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--color-gold-20);
}

.divider::before {
  margin-right: var(--space-4);
}

.divider::after {
  margin-left: var(--space-4);
}

.divider-text {
  font-size: var(--text-sm);
  color: var(--color-burgundy);
  font-weight: var(--font-medium);
}

/* ================================================================
   PROGRESS BARS
   ================================================================ */

.progress {
  width: 100%;
  height: 8px;
  background: var(--color-cream);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-gold);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-lg {
  height: 12px;
}

/* ================================================================
   TABS
   ================================================================ */

.tabs {
  display: flex;
  gap: var(--space-2);
  border-bottom: 2px solid var(--color-gold-20);
  margin-bottom: var(--space-6);
}

.tab {
  padding: var(--space-3) var(--space-4);
  font-weight: var(--font-medium);
  color: var(--color-burgundy);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition-fast);
  cursor: pointer;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--font-body);
  font-size: var(--text-base);
}

.tab:hover {
  color: var(--color-gold);
}

.tab.is-active {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
  font-weight: var(--font-semibold);
}

/* ================================================================
   ALERTS / BANNERS
   ================================================================ */

.alert {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.alert-success {
  background: var(--color-gold-10);
  border-left: 4px solid var(--color-gold);
}

.alert-error {
  background: rgba(184, 92, 63, 0.1);
  border-left: 4px solid var(--color-rust);
}

.alert-info {
  background: var(--color-burgundy-10);
  border-left: 4px solid var(--color-burgundy);
}

.alert-icon {
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-semibold);
  color: var(--color-navy);
  margin-bottom: var(--space-1);
}

.alert-message {
  font-size: var(--text-sm);
  color: var(--color-burgundy);
  margin: 0;
}

/* ================================================================
   EMPTY STATES
   ================================================================ */

.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
  font-size: var(--text-6xl);
  color: var(--color-gold);
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-state-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}

.empty-state-description {
  font-size: var(--text-base);
  color: var(--color-burgundy);
  margin-bottom: var(--space-6);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}