/* ============================================================
   DishDrop Design System
   Colors, fonts, and shared components matching the landing page
   ============================================================ */

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

:root {
  --warm: #FF6B35;
  --cream: #FFF8F0;
  --dark: #1A1A2E;
  --charcoal: #2D2D3F;
  --muted: #6B6B80;
  --accent: #E8432A;
  --soft-orange: #FFE0CC;
  --success: #22C55E;
  --error: #EF4444;
  --white: #ffffff;
  --border: rgba(0,0,0,0.08);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--dark);
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
}

a {
  color: var(--warm);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* ============================================================
   App Nav
   ============================================================ */
.app-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  max-width: 1200px;
  margin: 0 auto;
  position: sticky;
  top: 0;
  background: var(--cream);
  z-index: 100;
  border-bottom: 1px solid var(--border);
}

.app-nav .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--dark);
  letter-spacing: -0.5px;
  text-decoration: none;
}
.app-nav .logo span { color: var(--warm); }

.app-nav .nav-links {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.app-nav .nav-links a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.2s;
  text-decoration: none;
}
.app-nav .nav-links a:hover {
  color: var(--dark);
  background: var(--soft-orange);
  text-decoration: none;
}
.app-nav .nav-links a.active {
  color: var(--white);
  background: var(--warm);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  line-height: 1.2;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--warm);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255,107,53,0.3);
}

.btn-secondary {
  background: var(--white);
  color: var(--dark);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--warm);
  color: var(--warm);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
  border-radius: var(--radius-md);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all 0.2s;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ============================================================
   Drop Card (polaroid style)
   ============================================================ */
.drop-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all 0.25s ease;
  break-inside: avoid;
  margin-bottom: 1rem;
}
.drop-card:hover {
  transform: scale(1.02) rotate(-0.5deg);
  box-shadow: var(--shadow-lg);
}

.drop-card .drop-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--soft-orange), var(--warm));
  display: block;
}

.drop-card .drop-info {
  padding: 0.75rem 0.25rem 0.25rem;
}

.drop-card .drop-dish {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--dark);
  margin-bottom: 0.15rem;
}

.drop-card .drop-restaurant {
  font-size: 0.8rem;
  color: var(--warm);
  font-weight: 500;
}

.drop-card .drop-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

/* ============================================================
   Masonry Grid
   ============================================================ */
.masonry-grid {
  column-count: 3;
  column-gap: 1rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

@media (max-width: 900px) {
  .masonry-grid { column-count: 2; }
}

@media (max-width: 480px) {
  .masonry-grid { column-count: 2; column-gap: 0.5rem; padding: 0 3%; }
  .drop-card { padding: 0.35rem; }
  .drop-card .drop-info { padding: 0.5rem 0.15rem 0.15rem; }
}

/* ============================================================
   Page Container
   ============================================================ */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 5%;
}

.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -1px;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--muted);
  font-size: 1rem;
}

/* ============================================================
   Upload Form
   ============================================================ */
.upload-area {
  max-width: 600px;
  margin: 0 auto;
}

.photo-upload-zone {
  border: 2px dashed var(--soft-orange);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: var(--white);
  position: relative;
  overflow: hidden;
}
.photo-upload-zone:hover,
.photo-upload-zone.dragover {
  border-color: var(--warm);
  background: rgba(255,107,53,0.03);
}
.photo-upload-zone.has-photo {
  padding: 0;
  border-style: solid;
  border-color: var(--warm);
}

.photo-upload-zone .upload-icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
}

.photo-upload-zone .upload-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--dark);
  margin-bottom: 0.25rem;
}

.photo-upload-zone .upload-hint {
  font-size: 0.85rem;
  color: var(--muted);
}

.photo-upload-zone .preview-img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  display: block;
  border-radius: calc(var(--radius-lg) - 2px);
}

.photo-upload-zone .change-photo {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(0,0,0,0.6);
  color: white;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
}

/* Form Fields */
.form-group {
  margin-top: 1.25rem;
}

.form-group label {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--dark);
  margin-bottom: 0.4rem;
}

.form-group label .optional {
  font-weight: 400;
  color: var(--muted);
  font-size: 0.8rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  color: var(--dark);
  background: var(--white);
  transition: border-color 0.2s;
  line-height: 1.5;
}
.form-input:focus {
  outline: none;
  border-color: var(--warm);
  box-shadow: 0 0 0 3px rgba(255,107,53,0.1);
}
.form-input::placeholder {
  color: #aaa;
}

textarea.form-input {
  resize: vertical;
  min-height: 80px;
}

/* Restaurant autocomplete */
.restaurant-input-wrap {
  position: relative;
}

.restaurant-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  z-index: 50;
  max-height: 200px;
  overflow-y: auto;
  display: none;
}
.restaurant-suggestions.visible {
  display: block;
}

.restaurant-suggestion {
  padding: 0.65rem 1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.15s;
  font-size: 0.9rem;
}
.restaurant-suggestion:hover {
  background: var(--soft-orange);
}
.restaurant-suggestion .suggestion-name {
  font-weight: 500;
  color: var(--dark);
}
.restaurant-suggestion .suggestion-count {
  font-size: 0.75rem;
  color: var(--muted);
}

.new-restaurant-hint {
  padding: 0.65rem 1rem;
  font-size: 0.85rem;
  color: var(--warm);
  font-weight: 500;
  cursor: pointer;
  border-top: 1px solid var(--border);
}
.new-restaurant-hint:hover {
  background: var(--soft-orange);
}

/* ============================================================
   Toast Notifications
   ============================================================ */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.9rem;
  z-index: 1000;
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-lg);
}
.toast.visible {
  transform: translateX(-50%) translateY(0);
}
.toast.success {
  background: var(--success);
  color: white;
}
.toast.error {
  background: var(--error);
  color: white;
}

/* ============================================================
   Empty State
   ============================================================ */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}
.empty-state .empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}
.empty-state h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}
.empty-state p {
  color: var(--muted);
  margin-bottom: 1.5rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   Restaurant Detail
   ============================================================ */
.restaurant-header {
  background: linear-gradient(135deg, var(--warm), var(--accent));
  color: white;
  padding: 2.5rem 5%;
  margin: -2rem -5% 2rem;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.restaurant-header h1 {
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  letter-spacing: -1px;
  margin-bottom: 0.35rem;
}

.restaurant-header .restaurant-meta {
  opacity: 0.85;
  font-size: 0.95rem;
}

.restaurant-header .restaurant-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1rem;
}

.restaurant-header .stat {
  text-align: center;
}

.restaurant-header .stat-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
}

.restaurant-header .stat-label {
  font-size: 0.8rem;
  opacity: 0.7;
}

/* ============================================================
   Location Filter Bar
   ============================================================ */
.filter-bar {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.filter-bar .location-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--dark);
  cursor: pointer;
  transition: all 0.2s;
}
.filter-bar .location-badge:hover {
  border-color: var(--warm);
}
.filter-bar .location-badge.active {
  background: var(--warm);
  color: white;
  border-color: var(--warm);
}

/* ============================================================
   Loading Spinner
   ============================================================ */
.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--soft-orange);
  border-top-color: var(--warm);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.loading-container {
  display: flex;
  justify-content: center;
  padding: 3rem;
}

/* ============================================================
   Photo Modal / Lightbox
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.modal-overlay.visible {
  display: flex;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-img {
  width: 100%;
  max-height: 50vh;
  object-fit: cover;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-body {
  padding: 1.5rem;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   Footer
   ============================================================ */
.app-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.4);
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
  margin-top: 4rem;
}
.app-footer a { color: var(--warm); text-decoration: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
  .page-container { padding: 1.5rem 4%; }
  .app-nav { padding: 0.75rem 4%; }
  .app-nav .nav-links a { padding: 0.4rem 0.6rem; font-size: 0.8rem; }
  .upload-area { max-width: 100%; }
  .photo-upload-zone { padding: 2rem 1.5rem; }
  .restaurant-header { padding: 2rem 4%; }
}

@media (max-width: 480px) {
  .app-nav .nav-links { gap: 0.25rem; }
  .filter-bar { gap: 0.5rem; }
}