/* ========================================
   MEETLY - Telegram Mini App Styles
   Mobile-first, Telegram-native UI
======================================== */

/* CSS Variables - Telegram Theme Colors */
:root {
  --tg-theme-bg-color: #ffffff;
  --tg-theme-text-color: #000000;
  --tg-theme-hint-color: #999999;
  --tg-theme-link-color: #2481cc;
  --tg-theme-button-color: #2481cc;
  --tg-theme-button-text-color: #ffffff;
  --tg-theme-secondary-bg-color: #f4f4f5;
  
  /* Custom colors */
  --success-color: #31b545;
  --danger-color: #e53935;
  --warning-color: #fb8c00;
  --pending-color: #ff9800;
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
  --radius: 12px;
  --radius-sm: 8px;
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
  :root {
    --tg-theme-bg-color: #1a1a1a;
    --tg-theme-text-color: #ffffff;
    --tg-theme-hint-color: #8e8e93;
    --tg-theme-secondary-bg-color: #2c2c2e;
  }
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--tg-theme-bg-color);
  color: var(--tg-theme-text-color);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  /* Prevent zoom on double-tap */
  touch-action: manipulation;
}

/* Prevent iOS zoom on input focus */
input, select, textarea {
  font-size: 16px !important;
}

[x-cloak] { display: none !important; }

/* ========================================
   LOADING SCREEN
======================================== */

.loading-screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--tg-theme-bg-color);
  z-index: 1000;
}

.loader {
  width: 40px;
  height: 40px;
  border: 3px solid var(--tg-theme-secondary-bg-color);
  border-top-color: var(--tg-theme-button-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loader.small {
  width: 24px;
  height: 24px;
  border-width: 2px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========================================
   HEADER
======================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: var(--tg-theme-bg-color);
  border-bottom: 1px solid var(--tg-theme-secondary-bg-color);
}

.menu-btn, .notif-btn {
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--tg-theme-text-color);
}

.menu-btn svg, .notif-btn svg {
  width: 24px;
  height: 24px;
}

.header-title {
  flex: 1;
  text-align: center;
  font-size: 18px;
  font-weight: 600;
}

.header-right {
  position: relative;
}

.notif-btn {
  position: relative;
}

.notif-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  background: var(--danger-color);
  color: white;
  font-size: 10px;
  font-weight: 600;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========================================
   CITY BAR
======================================== */

.city-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--tg-theme-secondary-bg-color);
  cursor: pointer;
  font-size: 14px;
}

.city-icon {
  font-size: 16px;
}

.city-arrow {
  width: 20px;
  height: 20px;
  margin-left: auto;
  color: var(--tg-theme-hint-color);
}

/* ========================================
   SIDE MENU
======================================== */

.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
}

.side-menu {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 80vw;
  background: var(--tg-theme-bg-color);
  z-index: 201;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.side-menu.open {
  transform: translateX(0);
}

.menu-header {
  padding: 24px 16px;
  background: var(--tg-theme-button-color);
  color: var(--tg-theme-button-text-color);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 600;
}

.user-avatar.small {
  width: 32px;
  height: 32px;
  font-size: 14px;
}

.user-name {
  font-weight: 600;
}

.user-username {
  font-size: 13px;
  opacity: 0.8;
}

.menu-nav {
  flex: 1;
  padding: 8px 0;
}

.menu-nav a {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  color: var(--tg-theme-text-color);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s;
}

.menu-nav a:hover, .menu-nav a.active {
  background: var(--tg-theme-secondary-bg-color);
}

.menu-nav svg {
  width: 24px;
  height: 24px;
  color: var(--tg-theme-hint-color);
}

.menu-nav a.active svg {
  color: var(--tg-theme-button-color);
}

.menu-footer {
  padding: 16px;
  border-top: 1px solid var(--tg-theme-secondary-bg-color);
}

.menu-footer a {
  color: var(--tg-theme-hint-color);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
}

/* ========================================
   CONTENT & VIEWS
======================================== */

.content {
  padding-bottom: 20px;
}

.view {
  padding: 16px;
}

.view-title {
  font-size: 20px;
  margin-bottom: 16px;
}

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--tg-theme-hint-color);
}

.empty-state p {
  font-size: 16px;
  margin-bottom: 16px;
}

/* ========================================
   EVENT CARDS
======================================== */

.events-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.event-card {
  background: var(--tg-theme-secondary-bg-color);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.event-card:active {
  transform: scale(0.98);
}

.event-card.organizer {
  display: flex;
  align-items: center;
  padding: 12px;
  gap: 12px;
}

.event-image {
  position: relative;
  height: 140px;
  background: linear-gradient(135deg, var(--tg-theme-button-color), #6a5acd);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.event-image.small {
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: var(--radius-sm);
}

.event-emoji {
  font-size: 48px;
}

.event-image.small .event-emoji {
  font-size: 24px;
}

.event-category {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0,0,0,0.6);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.event-info {
  padding: 12px;
  flex: 1;
}

.event-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.event-meta {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--tg-theme-hint-color);
}

.event-spots {
  font-weight: 500;
}

.event-spots.low {
  color: var(--warning-color);
}

.event-stats {
  display: flex;
  gap: 12px;
  font-size: 13px;
}

.event-stats .stat {
  color: var(--tg-theme-hint-color);
}

.event-stats .stat.pending {
  color: var(--warning-color);
  font-weight: 500;
}

.arrow-icon {
  width: 24px;
  height: 24px;
  color: var(--tg-theme-hint-color);
}

.loading-more {
  display: flex;
  justify-content: center;
  padding: 20px;
}

/* ========================================
   REQUESTS LIST
======================================== */

.requests-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.request-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--tg-theme-secondary-bg-color);
  border-radius: var(--radius);
  cursor: pointer;
}

.request-image {
  width: 48px;
  height: 48px;
  background: var(--tg-theme-button-color);
  border-radius: var(--radius-sm);
  background-size: cover;
  background-position: center;
}

.request-info {
  flex: 1;
  min-width: 0;
}

.request-info h4 {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.request-organizer {
  font-size: 12px;
  color: var(--tg-theme-hint-color);
}

.request-status {
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.request-status.pending {
  background: #fff3e0;
  color: #e65100;
}

.request-status.awaiting_confirmation {
  background: #e3f2fd;
  color: #1565c0;
}

.request-status.joined {
  background: #e8f5e9;
  color: #2e7d32;
}

.request-status.rejected, .request-status.refused {
  background: #ffebee;
  color: #c62828;
}

.request-actions {
  display: flex;
  gap: 8px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--tg-theme-button-color);
  color: var(--tg-theme-button-text-color);
}

.btn-success {
  background: var(--success-color);
  color: white;
}

.btn-danger {
  background: var(--danger-color);
  color: white;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--tg-theme-hint-color);
  color: var(--tg-theme-text-color);
}

.btn-full {
  width: 100%;
}

.btn-small {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-text {
  background: none;
  border: none;
  color: var(--tg-theme-link-color);
  font-size: 14px;
  cursor: pointer;
}

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

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 300;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.modal {
  background: var(--tg-theme-bg-color);
  border-radius: var(--radius) var(--radius) 0 0;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--tg-theme-secondary-bg-color);
  position: sticky;
  top: 0;
  background: var(--tg-theme-bg-color);
}

.modal-header h2 {
  flex: 1;
  font-size: 18px;
}

.close-btn {
  background: none;
  border: none;
  font-size: 28px;
  line-height: 1;
  color: var(--tg-theme-hint-color);
  cursor: pointer;
  padding: 0 8px;
}

.modal-body {
  padding: 16px;
}

/* ========================================
   FORMS
======================================== */

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 500;
}

.char-count {
  color: var(--tg-theme-hint-color);
  font-weight: normal;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--tg-theme-secondary-bg-color);
  border-radius: var(--radius-sm);
  background: var(--tg-theme-bg-color);
  color: var(--tg-theme-text-color);
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--tg-theme-button-color);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* Image Upload */
.image-upload {
  border: 2px dashed var(--tg-theme-secondary-bg-color);
  border-radius: var(--radius-sm);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s;
}

.image-upload:hover {
  border-color: var(--tg-theme-button-color);
}

.upload-placeholder {
  color: var(--tg-theme-hint-color);
}

.upload-placeholder svg {
  width: 48px;
  height: 48px;
  margin-bottom: 8px;
}

.upload-preview {
  max-width: 100%;
  max-height: 200px;
  border-radius: var(--radius-sm);
}

/* ========================================
   EVENT DETAIL MODAL
======================================== */

.event-modal {
  max-height: 95vh;
}

.event-detail-header {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, var(--tg-theme-button-color), #6a5acd);
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-btn {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0,0,0,0.4);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.back-btn svg {
  width: 24px;
  height: 24px;
  color: white;
}

.event-detail-emoji {
  font-size: 72px;
}

.event-detail-body {
  padding: 16px;
}

.event-detail-category {
  display: inline-block;
  background: var(--tg-theme-secondary-bg-color);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
  margin-bottom: 12px;
}

.event-detail-title {
  font-size: 22px;
  margin-bottom: 16px;
}

.event-detail-meta {
  margin-bottom: 16px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--tg-theme-hint-color);
}

.meta-item svg {
  width: 20px;
  height: 20px;
}

.meta-item strong {
  color: var(--tg-theme-text-color);
}

.event-detail-description {
  padding: 16px;
  background: var(--tg-theme-secondary-bg-color);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.event-detail-description p {
  white-space: pre-wrap;
  font-size: 14px;
  line-height: 1.6;
}

/* Organizer Section */
.organizer-section {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--tg-theme-secondary-bg-color);
}

.organizer-section h3 {
  font-size: 16px;
  margin-bottom: 12px;
}

.request-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--tg-theme-secondary-bg-color);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.request-user {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.username-visible {
  font-size: 12px;
  color: var(--tg-theme-link-color);
}

.empty-message {
  text-align: center;
  color: var(--tg-theme-hint-color);
  padding: 20px;
  font-size: 14px;
}

/* Booking Section */
.booking-section {
  margin-top: 20px;
}

.booking-status {
  text-align: center;
}

.status-box {
  padding: 20px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.status-box.pending {
  background: #fff3e0;
}

.status-box.awaiting_confirmation {
  background: #e3f2fd;
}

.status-box.joined {
  background: #e8f5e9;
}

.status-box.rejected, .status-box.refused {
  background: #ffebee;
}

.status-label {
  display: block;
  font-size: 12px;
  color: var(--tg-theme-hint-color);
  margin-bottom: 4px;
}

.status-value {
  font-size: 18px;
  font-weight: 600;
}

.confirm-actions {
  padding: 16px;
  background: var(--tg-theme-secondary-bg-color);
  border-radius: var(--radius);
}

.confirm-actions p {
  margin-bottom: 12px;
  font-size: 14px;
}

.action-buttons {
  display: flex;
  gap: 12px;
}

.action-buttons .btn {
  flex: 1;
}

.joined-info {
  padding: 16px;
  background: #e8f5e9;
  border-radius: var(--radius);
}

.joined-info p {
  margin-bottom: 8px;
}

.telegram-link {
  display: inline-block;
  padding: 8px 16px;
  background: var(--tg-theme-button-color);
  color: white;
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* ========================================
   CITY MODAL
======================================== */

.city-list {
  padding: 8px;
}

.city-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 16px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  color: var(--tg-theme-text-color);
  cursor: pointer;
  text-align: left;
}

.city-option:hover {
  background: var(--tg-theme-secondary-bg-color);
}

.city-option.selected {
  background: var(--tg-theme-secondary-bg-color);
  font-weight: 600;
}

.city-option svg {
  width: 20px;
  height: 20px;
  color: var(--success-color);
}

/* ========================================
   NOTIFICATIONS MODAL
======================================== */

.notif-list {
  padding: 8px;
}

.notif-item {
  padding: 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  cursor: pointer;
  transition: background 0.2s;
}

.notif-item:hover {
  background: var(--tg-theme-secondary-bg-color);
}

.notif-item.unread {
  background: rgba(36, 129, 204, 0.1);
  border-left: 3px solid var(--tg-theme-button-color);
}

.notif-item strong {
  display: block;
  margin-bottom: 4px;
}

.notif-item p {
  font-size: 13px;
  color: var(--tg-theme-hint-color);
  margin-bottom: 4px;
}

.notif-time {
  font-size: 11px;
  color: var(--tg-theme-hint-color);
}

/* ========================================
   TOAST NOTIFICATIONS
======================================== */

.toast-container {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  background: #333;
  color: white;
  border-radius: 8px;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.toast.success {
  background: var(--success-color);
}

.toast.error {
  background: var(--danger-color);
}

/* ========================================
   ADMIN PANEL
======================================== */

.admin-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--tg-theme-secondary-bg-color);
  padding: 20px;
  border-radius: var(--radius);
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--tg-theme-button-color);
}

.stat-label {
  font-size: 14px;
  color: var(--tg-theme-hint-color);
}

.admin-section {
  margin-bottom: 24px;
}

.admin-section h3 {
  font-size: 16px;
  margin-bottom: 12px;
}

.admin-list {
  background: var(--tg-theme-secondary-bg-color);
  border-radius: var(--radius);
  overflow: hidden;
}

.admin-item {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--tg-theme-bg-color);
}

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

.admin-id {
  font-size: 12px;
  color: var(--tg-theme-hint-color);
}

.admin-hint {
  margin-top: 8px;
  font-size: 12px;
  color: var(--tg-theme-hint-color);
}

/* ========================================
   UTILITIES
======================================== */

.text-center { text-align: center; }
.text-muted { color: var(--tg-theme-hint-color); }
.mt-2 { margin-top: 16px; }
.mb-2 { margin-bottom: 16px; }