/* style.css — DEALIX MVP Design Tokens + Component Styles */

/* ===== DESIGN TOKENS ===== */
:root, [data-theme="dark"] {
  /* Typography */
  --font-display: 'DM Serif Display', 'Georgia', serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.8125rem);
  --text-sm:   clamp(0.8125rem, 0.78rem + 0.2vw, 0.875rem);
  --text-base: clamp(0.875rem, 0.85rem + 0.15vw, 0.9375rem);
  --text-lg:   clamp(1.0625rem, 0.95rem + 0.5vw, 1.375rem);
  --text-xl:   clamp(1.375rem, 1rem + 1.2vw, 2rem);
  --text-2xl:  clamp(1.75rem, 1.2rem + 2vw, 3rem);
  --text-3xl:  clamp(2.25rem, 1rem + 3.5vw, 4rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6vw, 6rem);

  /* Spacing (4px grid) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Surfaces */
  --color-bg:             #0A0A0B;
  --color-surface:        #141416;
  --color-surface-2:      #1C1C1F;
  --color-surface-offset: #222226;
  --color-surface-hover:  #28282D;
  --color-divider:        rgba(255,255,255,0.06);
  --color-border:         rgba(255,255,255,0.1);
  --color-border-hover:   rgba(255,255,255,0.18);

  /* Text */
  --color-text:           #F5F5F5;
  --color-text-muted:     #A0A0A8;
  --color-text-faint:     #6B6B73;
  --color-text-inverse:   #0A0A0B;

  /* Primary — Orange */
  --color-primary:        #F97316;
  --color-primary-hover:  #EA6A10;
  --color-primary-active: #D4600E;
  --color-primary-highlight: rgba(249,115,22,0.12);
  --color-primary-glow: rgba(249,115,22,0.2);

  /* Success — Green */
  --color-success:        #22C55E;
  --color-success-hover:  #16A34A;
  --color-success-highlight: rgba(34,197,94,0.12);

  /* Error — Red */
  --color-error:          #EF4444;
  --color-error-hover:    #DC2626;
  --color-error-highlight: rgba(239,68,68,0.12);

  /* Warning */
  --color-warning:        #EAB308;
  --color-warning-highlight: rgba(234,179,8,0.12);

  /* Temperature */
  --color-temp-hot:       #F97316;
  --color-temp-cold:      #3B82F6;

  /* Blue */
  --color-blue:           #3B82F6;
  --color-blue-highlight: rgba(59,130,246,0.12);

  /* Radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.25rem;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 300ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(249,115,22,0.15);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Navbar height */
  --navbar-height: 64px;
  --mobile-nav-height: 60px;
}

/* ===== LAYOUT ===== */
.container {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: var(--space-4);
}

.container-narrow {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding-inline: var(--space-4);
}

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--navbar-height);
  background: rgba(10,10,11,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
}

.navbar-inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding-inline: var(--space-4);
}

.navbar-logo {
  flex-shrink: 0;
  height: 32px;
  cursor: pointer;
}

.navbar-logo img {
  height: 32px;
  width: auto;
}

.navbar-search {
  flex: 1;
  max-width: 480px;
  position: relative;
}

.navbar-search input {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-10);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.navbar-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

.navbar-search input::placeholder {
  color: var(--color-text-faint);
}

.navbar-search-icon {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-faint);
  pointer-events: none;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.navbar-link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-interactive),
              background var(--transition-interactive);
  white-space: nowrap;
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--color-text);
  background: var(--color-surface);
}

.navbar-link.active {
  color: var(--color-primary);
}

.navbar-auth {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
}

.navbar-hamburger {
  display: none;
  padding: var(--space-2);
  color: var(--color-text-muted);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-secondary {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-surface-offset);
  border-color: var(--color-border-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn-ghost:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-icon {
  padding: var(--space-2);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive),
              background var(--transition-interactive);
}
.btn-icon:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
}

.badge-primary { background: var(--color-primary-highlight); color: var(--color-primary); }
.badge-success { background: var(--color-success-highlight); color: var(--color-success); }
.badge-error { background: var(--color-error-highlight); color: var(--color-error); }
.badge-info { background: var(--color-blue-highlight); color: var(--color-blue); }
.badge-surface { background: var(--color-surface-2); color: var(--color-text-muted); }
.badge-coupon { background: rgba(249,115,22,0.15); color: var(--color-primary); }

/* ===== HERO ===== */
.hero {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0 var(--space-12);
  text-align: center;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.hero-title .accent {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 540px;
  margin-inline: auto;
}

.hero-search {
  max-width: 560px;
  margin: 0 auto;
  position: relative;
}

.hero-search input {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4) var(--space-6) var(--space-4) var(--space-12);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.hero-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-highlight);
}

.hero-search input::placeholder { color: var(--color-text-faint); }

.hero-search-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-faint);
}

/* ===== CATEGORIES BAR ===== */
.categories-bar {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding: var(--space-2) 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}

.categories-bar::-webkit-scrollbar { display: none; }

.category-chip {
  flex-shrink: 0;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
  white-space: nowrap;
}

.category-chip:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border-hover);
}

.category-chip.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* ===== TAB FILTERS ===== */
.tab-filters {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-6);
}

.tab-filter {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-faint);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-interactive);
  white-space: nowrap;
}

.tab-filter:hover { color: var(--color-text-muted); }

.tab-filter.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ===== DEAL CARDS ===== */
.deals-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.deal-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  gap: var(--space-4);
  cursor: pointer;
  transition: box-shadow var(--transition-interactive),
              transform var(--transition-interactive),
              border-color var(--transition-interactive);
}

.deal-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-border-hover);
}

.deal-card-img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.deal-card-img::after {
  content: '\1F4E6';
  position: absolute;
  font-size: 28px;
  opacity: 0.3;
  z-index: 0;
}

.deal-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-2);
  position: relative;
  z-index: 1;
  background: var(--color-surface-2);
}

.deal-card-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.deal-card-store {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.deal-card-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.deal-card-prices {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.price-original {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  text-decoration: line-through;
}

.price-deal {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.price-discount {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-success);
  background: var(--color-success-highlight);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
}

.deal-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.deal-card-footer {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-2);
}

.deal-card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 11px;
  color: var(--color-text-faint);
}

.deal-card-meta span {
  display: flex;
  align-items: center;
  gap: 3px;
}

/* Temperature Bar */
.temp-bar {
  width: 60px;
  height: 4px;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  overflow: hidden;
  flex-shrink: 0;
}

.temp-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.temp-fill.hot {
  background: linear-gradient(90deg, var(--color-primary), var(--color-error));
}

.temp-fill.warm {
  background: linear-gradient(90deg, var(--color-warning), var(--color-primary));
}

.temp-fill.cold {
  background: var(--color-temp-cold);
}

/* Vote Buttons */
.vote-btns {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

.vote-btn {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-interactive);
  border: 1px solid transparent;
}

.vote-btn-hot {
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}
.vote-btn-hot:hover {
  background: rgba(249,115,22,0.2);
  border-color: rgba(249,115,22,0.3);
}

.vote-btn-cold {
  color: var(--color-temp-cold);
  background: var(--color-blue-highlight);
}
.vote-btn-cold:hover {
  background: rgba(59,130,246,0.2);
  border-color: rgba(59,130,246,0.3);
}

.vote-count {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  min-width: 32px;
  text-align: center;
}

/* ===== DEAL DETAIL ===== */
.deal-detail {
  padding: var(--space-8) 0;
}

.deal-detail-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-8);
}

.deal-detail-gallery {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.deal-detail-gallery::after {
  content: '\1F4E6';
  position: absolute;
  font-size: 64px;
  opacity: 0.15;
  z-index: 0;
}

.deal-detail-gallery img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
  position: relative;
  z-index: 1;
}

.deal-detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.deal-detail-store {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.deal-detail-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text);
}

.deal-detail-price-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.deal-detail-price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.deal-detail-price-original {
  font-size: var(--text-base);
  color: var(--color-text-faint);
  text-decoration: line-through;
}

.deal-detail-price-deal {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  font-family: var(--font-body);
  font-variant-numeric: tabular-nums;
}

.deal-detail-price-discount {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-success);
  background: var(--color-success-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
}

.cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all var(--transition-interactive);
}

.cta-btn:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transform: translateY(-2px);
}

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

/* ===== FORMS ===== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

.form-input,
.form-select,
.form-textarea {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  font-size: var(--text-sm);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-faint);
}

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

/* ===== MODAL ===== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease, visibility 200ms ease;
}

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

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(10px);
  transition: transform 300ms var(--ease-out);
}

.modal-backdrop.open .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.modal-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
}

.modal-close {
  padding: var(--space-2);
  color: var(--color-text-faint);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-interactive);
}

.modal-close:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
  animation: toast-in 300ms var(--ease-out) forwards;
  white-space: nowrap;
}

.toast.removing {
  animation: toast-out 200ms var(--ease-in) forwards;
}

.toast-success { border-left: 3px solid var(--color-success); }
.toast-error { border-left: 3px solid var(--color-error); }
.toast-info { border-left: 3px solid var(--color-primary); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(16px); }
}

/* ===== PROFILE ===== */
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-8) 0;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
}

.stat-value {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 11px;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-1);
}

/* ===== LEADERBOARD ===== */
.leaderboard-table {
  width: 100%;
}

.leaderboard-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: background var(--transition-interactive);
}

.leaderboard-row:hover {
  background: var(--color-surface);
}

.leaderboard-row.current-user {
  background: var(--color-primary-highlight);
  border: 1px solid rgba(249,115,22,0.2);
}

.leaderboard-rank {
  width: 32px;
  text-align: center;
  font-weight: 700;
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.leaderboard-rank.gold { color: #FFD700; }
.leaderboard-rank.silver { color: #C0C0C0; }
.leaderboard-rank.bronze { color: #CD7F32; }

.leaderboard-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.leaderboard-name {
  flex: 1;
  font-weight: 600;
  font-size: var(--text-sm);
}

.leaderboard-points {
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

/* ===== ADMIN ===== */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.admin-stat {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.admin-stat-value {
  font-size: var(--text-xl);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.admin-stat-label {
  font-size: 11px;
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-1);
}

.admin-queue {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.admin-queue-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  font-weight: 600;
  font-size: var(--text-sm);
}

.admin-queue-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  transition: background var(--transition-interactive);
}

.admin-queue-item:last-child { border-bottom: none; }
.admin-queue-item:hover { background: var(--color-surface-2); }

/* ===== SKELETON LOADING ===== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface-2) 25%,
    var(--color-surface-offset) 50%,
    var(--color-surface-2) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

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

/* ===== MOBILE BOTTOM NAV ===== */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--mobile-nav-height);
  background: rgba(10,10,11,0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--color-divider);
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}

.mobile-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-1) var(--space-3);
  font-size: 10px;
  font-weight: 500;
  color: var(--color-text-faint);
  cursor: pointer;
  transition: color var(--transition-interactive);
  -webkit-tap-highlight-color: transparent;
}

.mobile-nav-item.active {
  color: var(--color-primary);
}

.mobile-nav-item:active {
  color: var(--color-text);
}

.mobile-nav-item svg {
  width: 22px;
  height: 22px;
}

/* ===== LEVEL BADGE ===== */
.level-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.level-1 { background: #374151; color: #9CA3AF; }
.level-2 { background: rgba(59,130,246,0.15); color: #3B82F6; }
.level-3 { background: rgba(168,85,247,0.15); color: #A855F7; }
.level-4 { background: rgba(249,115,22,0.15); color: #F97316; }
.level-5 { background: rgba(255,215,0,0.15); color: #FFD700; }

/* ===== PROGRESS BAR ===== */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-surface-2);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* ===== SHARE BUTTONS ===== */
.share-btns {
  display: flex;
  gap: var(--space-2);
}

/* ===== AI SECTION ===== */
.ai-section {
  background: var(--color-surface);
  border: 1px solid var(--color-primary-highlight);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.ai-section-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.ai-section-body {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== COMMENTS ===== */
.comment {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-divider);
}

.comment-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.comment-body {
  flex: 1;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}

.comment-author {
  font-size: var(--text-sm);
  font-weight: 600;
}

.comment-time {
  font-size: 11px;
  color: var(--color-text-faint);
}

.comment-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== PAGE TRANSITIONS ===== */
#app {
  min-height: calc(100dvh - var(--navbar-height));
}

.page-enter {
  animation: page-fade-in 300ms var(--ease-out) forwards;
}

@keyframes page-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .navbar-links,
  .navbar-auth .btn:not(.btn-icon) {
    display: none;
  }

  .navbar-hamburger { display: flex; }

  .mobile-nav { display: block; }

  body {
    padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom));
  }

  .deal-card {
    flex-direction: row;
  }

  .deal-card-img {
    width: 90px;
    height: 90px;
  }

  .deal-detail-grid {
    grid-template-columns: 1fr;
  }

  .deal-detail-gallery {
    aspect-ratio: 4/3;
  }

  .profile-header {
    flex-direction: column;
    text-align: center;
  }

  .hero-title {
    font-size: var(--text-xl);
  }

  .hero {
    padding: var(--space-8) 0 var(--space-6);
  }
}

@media (max-width: 480px) {
  .deal-card-img {
    width: 80px;
    height: 80px;
  }

  .container {
    padding-inline: var(--space-3);
  }
}

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  padding: var(--space-6);
  transform: translateX(100%);
  transition: transform 300ms var(--ease-out);
}

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

.mobile-menu-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.mobile-menu-link:hover,
.mobile-menu-link.active {
  color: var(--color-text);
  background: var(--color-surface);
}

/* ===== USER DROPDOWN ===== */
.user-dropdown {
  position: relative;
}

.user-dropdown-trigger {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.user-dropdown-trigger:hover {
  background: rgba(249,115,22,0.2);
}

.user-dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2);
  min-width: 180px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 180ms ease, visibility 180ms ease, transform 180ms var(--ease-out);
  z-index: 110;
}

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

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.user-dropdown-item:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

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

/* Price History placeholder */
.price-chart-placeholder {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  min-height: 200px;
}

/* ===== SUBMIT FORM ===== */
.submit-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 640px;
}

.submit-preview {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.image-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  color: var(--color-text-faint);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.image-upload:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}

/* Section title */
.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-6);
}

/* Tab content sections */
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

/* Related deals */
.related-deals {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

/* Submit form grid */
.submit-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-8);
}

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

/* Footer */
.footer {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-8) 0;
  margin-top: var(--space-16);
  text-align: center;
  color: var(--color-text-faint);
  font-size: var(--text-xs);
}

/* Scroll fade-in */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 60%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}