/* ==========================================
   DealDine — Global Styles
   Food-forward, warm, NYC vibes
   ========================================== */

:root {
  --font-display: 'Instrument Serif', serif;
  --font-body: 'Satoshi', -apple-system, BlinkMacSystemFont, sans-serif;

  --stone-950: #0c0a09;
  --stone-900: #1c1917;
  --stone-800: #292524;
  --stone-700: #44403c;
  --stone-600: #57534e;
  --stone-500: #78716c;
  --stone-400: #a8a29e;
  --stone-300: #d6d3d1;
  --cream: #fafaf9;

  --amber: #f59e0b;
  --amber-dark: #d97706;
  --amber-glow: rgba(245, 158, 11, 0.15);
  --orange: #ea580c;
  --red: #ef4444;
  --green: #22c55e;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--stone-950);
  color: var(--cream);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

a {
  color: var(--amber);
  text-decoration: none;
}

/* ==========================================
   Navigation
   ========================================== */

.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: 1rem 1.5rem;
  background: rgba(12, 10, 9, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(41, 37, 36, 0.5);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--cream);
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--stone-400);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--cream);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--amber);
  color: #1c1917;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.55rem 1.25rem;
  border-radius: 10px;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-nav:hover {
  background: var(--amber-dark);
  transform: translateY(-1px);
}

/* ==========================================
   App Layout (Deal Feed)
   ========================================== */

.app-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 5rem 1rem 2rem;
}

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

.app-header h1 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--cream);
}

.deal-count-badge {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--amber);
  background: var(--amber-glow);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  font-weight: 500;
}

/* Search */
.search-bar {
  position: relative;
  margin-bottom: 1rem;
}

.search-bar input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.75rem;
  border-radius: 12px;
  border: 1px solid var(--stone-700);
  background: var(--stone-900);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-bar input:focus {
  border-color: var(--amber);
}

.search-bar input::placeholder {
  color: var(--stone-500);
}

.search-bar .search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--stone-500);
  pointer-events: none;
}

/* Filters */
.filter-row {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.filter-row::-webkit-scrollbar {
  display: none;
}

.filter-select {
  appearance: none;
  padding: 0.5rem 2rem 0.5rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--stone-700);
  background: var(--stone-900);
  color: var(--stone-300);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%2378716c' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.7rem center;
  transition: border-color 0.2s;
}

.filter-select:focus {
  border-color: var(--amber);
}

.filter-select option {
  background: var(--stone-900);
  color: var(--cream);
}

.sort-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  align-items: center;
}

.sort-label {
  font-size: 0.8rem;
  color: var(--stone-500);
  font-weight: 500;
}

.sort-btn {
  padding: 0.35rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--stone-700);
  background: transparent;
  color: var(--stone-400);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.sort-btn.active {
  background: var(--amber-glow);
  border-color: var(--amber);
  color: var(--amber);
}

.sort-btn:hover:not(.active) {
  border-color: var(--stone-600);
  color: var(--stone-300);
}

/* ==========================================
   Deal Cards
   ========================================== */

.deals-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.deal-card {
  background: var(--stone-900);
  border: 1px solid var(--stone-800);
  border-radius: 14px;
  padding: 1.25rem;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.deal-card:hover {
  border-color: rgba(245, 158, 11, 0.2);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.deal-card.urgent {
  border-color: rgba(239, 68, 68, 0.3);
}

.deal-card.urgent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red), var(--orange));
}

.deal-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.deal-restaurant {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--cream);
  line-height: 1.3;
}

.deal-value-badge {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--amber);
  background: var(--amber-glow);
  padding: 0.3rem 0.75rem;
  border-radius: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}

.deal-headline {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--stone-300);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.deal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.deal-tag {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  background: var(--stone-800);
  color: var(--stone-400);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.deal-tag.cuisine {
  background: rgba(245, 158, 11, 0.08);
  color: var(--amber);
}

.deal-tag.neighborhood {
  background: rgba(34, 197, 94, 0.08);
  color: var(--green);
}

.deal-tag.source {
  background: rgba(168, 162, 158, 0.1);
  color: var(--stone-400);
}

.deal-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.deal-expiry {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--stone-500);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.deal-expiry.urgent {
  color: var(--red);
  font-weight: 600;
}

.deal-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 1rem;
  border-radius: 8px;
  background: var(--amber);
  color: #1c1917;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  text-decoration: none;
  transition: all 0.2s;
  flex-shrink: 0;
}

.deal-cta:hover {
  background: var(--amber-dark);
  transform: translateY(-1px);
}

.deal-cta.locked {
  background: var(--stone-700);
  color: var(--stone-400);
  cursor: not-allowed;
}

/* Urgency indicator */
.urgency-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  background: rgba(239, 68, 68, 0.1);
  color: var(--red);
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Loading */
.loading-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--stone-500);
  font-family: var(--font-body);
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--stone-800);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}

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

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}

.empty-state p {
  color: var(--stone-500);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.empty-state .hint {
  color: var(--stone-600);
  font-size: 0.85rem;
}

/* Paywall overlay */
.paywall-overlay {
  text-align: center;
  padding: 3rem 2rem;
  background: linear-gradient(to bottom, transparent, var(--stone-950) 20%);
  margin-top: -3rem;
  position: relative;
  z-index: 5;
}

.paywall-overlay h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--cream);
  margin-bottom: 0.5rem;
}

.paywall-overlay p {
  font-family: var(--font-body);
  color: var(--stone-400);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.paywall-overlay .btn-hero {
  font-size: 1rem;
  padding: 0.85rem 2rem;
}

/* ==========================================
   Payment Success Page
   ========================================== */

.success-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  text-align: center;
}

.success-icon {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.success-container h1 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--cream);
  margin-bottom: 0.75rem;
}

.success-container p {
  font-family: var(--font-body);
  color: var(--stone-400);
  font-size: 1.05rem;
  max-width: 400px;
  margin-bottom: 2rem;
  line-height: 1.5;
}

/* ==========================================
   Responsive
   ========================================== */

@media (max-width: 640px) {
  .app-container {
    padding: 4.5rem 0.75rem 2rem;
  }

  .deal-card {
    padding: 1rem;
  }

  .deal-card-top {
    flex-direction: column;
    gap: 0.3rem;
  }

  .deal-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .deal-cta {
    width: 100%;
    justify-content: center;
    padding: 0.6rem;
  }

  .stats-bar {
    gap: 1.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .nav-inner {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
}