/* ==========================================================================
   coupons.appetaria.com — Design System
   "Give Coupons, Take Coupons"

   This file holds every color, font, and reusable component style.
   Change a value here and it updates everywhere the site uses it.
   ========================================================================== */

:root {
  /* --- Colors: Midnight theme --- */
  --color-porcelain: #14161C;   /* main background */
  --color-porcelain-dim: #1B1E27; /* slightly lighter background for sections */
  --color-ink: #F3F1EA;         /* primary text */
  --color-ink-muted: #8B8A93;   /* secondary text, captions */
  --color-brass: #C9A227;       /* "Give" accent - value, generosity */
  --color-brass-dark: #E0BC4E;  /* hover state - lighter, since bg is dark */
  --color-jade: #3FA88C;        /* "Take" accent - benefit, freshness */
  --color-jade-dark: #56C2A5;   /* hover state - lighter, since bg is dark */
  --color-hairline: #2A2D38;    /* borders, dividers */
  --color-card: #1B1E27;
  --color-danger: #E2726B;
  --color-success: #3FA88C;

  /* --- Typography --- */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* --- Spacing scale --- */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* --- Shape --- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* --- Motion --- */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--color-porcelain);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--color-jade);
  outline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.25rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-xl);
  border-bottom: 1px solid var(--color-hairline);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-mark { width: 30px; height: 30px; flex-shrink: 0; }

.brand-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
}

.brand-tagline {
  font-size: 0.7rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: block;
  margin-top: -2px;
}

.site-nav { display: flex; gap: var(--space-lg); align-items: center; }

.site-nav a {
  font-size: 0.95rem;
  color: var(--color-ink-muted);
  transition: color 0.2s var(--ease);
}

.site-nav a:hover, .site-nav a.active { color: var(--color-ink); }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease), background 0.15s var(--ease);
}

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

.btn-brass {
  background: var(--color-brass);
  color: #fff;
}
.btn-brass:hover { background: var(--color-brass-dark); }

.btn-jade {
  background: var(--color-jade);
  color: #fff;
}
.btn-jade:hover { background: var(--color-jade-dark); }

.btn-outline {
  background: transparent;
  border-color: var(--color-hairline);
  color: var(--color-ink);
}
.btn-outline:hover { border-color: var(--color-ink); }

.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.85rem; }

.btn-block { width: 100%; }

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

/* ==========================================================================
   Split screen layout (home page only) — left: hero, right: browse
   On desktop this fills exactly one screen, no scrolling needed to see
   both halves. On smaller screens it falls back to normal stacking.
   ========================================================================== */

html, body { height: 100%; }

.app-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.split-main {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  overflow: hidden;
}

.split-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-lg) var(--space-xl);
  border-right: 1px solid var(--color-hairline);
  overflow-y: auto;
}

.split-right {
  padding: var(--space-md) var(--space-xl);
  overflow-y: auto;
}

@media (max-width: 980px) {
  .app-shell { height: auto; overflow: visible; }
  .split-main { grid-template-columns: 1fr; overflow: visible; }
  .split-left { border-right: none; border-bottom: 1px solid var(--color-hairline); padding: var(--space-lg) var(--space-md); }
  .split-right { padding: var(--space-md); overflow-y: visible; }
}

/* ==========================================================================
   Hero — the split "Give / Take" panels
   ========================================================================== */

.hero {
  text-align: left;
  position: relative;
}

.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-xs);
}

.hero h1 { margin-bottom: var(--space-sm); font-size: clamp(1.8rem, 2.6vw, 2.6rem); }

.hero-sub {
  color: var(--color-ink-muted);
  font-size: 0.98rem;
  margin-bottom: var(--space-lg);
  max-width: 480px;
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.hero-panel {
  background: var(--color-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  text-align: left;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.hero-panel:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -20px rgba(27, 29, 41, 0.25);
}

.hero-panel-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: #fff;
}

.hero-panel.give .hero-panel-icon { background: var(--color-brass); }
.hero-panel.take .hero-panel-icon { background: var(--color-jade); }

.hero-panel h3 { margin-bottom: 0.4rem; }
.hero-panel p { color: var(--color-ink-muted); font-size: 0.92rem; margin-bottom: var(--space-md); }

@media (max-width: 640px) {
  .hero-split { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Search & filters
   ========================================================================== */

.search-bar {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  align-items: center;
  margin: var(--space-sm) 0 var(--space-lg);
  position: sticky;
  top: 0;
  background: var(--color-porcelain);
  padding-top: var(--space-sm);
  z-index: 5;
}

.search-input, .filter-select {
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  background: var(--color-card);
}

.search-input {
  flex: 1;
  min-width: 220px;
}

.filter-select { min-width: 160px; }

/* ==========================================================================
   Ledger table (home page right panel)
   ========================================================================== */

.stat-line {
  font-size: 0.85rem;
  color: var(--color-brass);
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
  padding-bottom: var(--space-2xl);
}

.coupon-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.coupon-table thead th {
  text-align: left;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--color-hairline);
  white-space: nowrap;
}

.coupon-table tbody tr {
  cursor: pointer;
  transition: background 0.15s var(--ease);
}

.coupon-table tbody tr:hover {
  background: var(--color-porcelain-dim);
}

.coupon-table tbody tr.row-flagged {
  opacity: 0.5;
}

.coupon-table tbody tr.row-flagged .col-status {
  color: var(--color-danger);
}

.coupon-table td {
  padding: 0.7rem 0.75rem;
  border-bottom: 1px solid var(--color-hairline);
  vertical-align: middle;
}

.coupon-table .col-brand {
  font-family: var(--font-display);
  font-weight: 600;
  white-space: nowrap;
}

.coupon-table .col-brand a {
  color: inherit;
}

.coupon-table .col-desc {
  color: var(--color-ink-muted);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.coupon-table .col-status {
  white-space: nowrap;
  color: var(--color-ink-muted);
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .coupon-table .col-desc { max-width: 140px; }
}

/* ==========================================================================
   Coupon cards
   ========================================================================== */

.coupon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
  padding-bottom: var(--space-2xl);
}

.coupon-card {
  background: var(--color-card);
  border: 1px solid var(--color-hairline);
  border-left: 4px solid var(--color-jade);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.coupon-card.type-discount { border-left-color: var(--color-brass); }

.coupon-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px -20px rgba(27, 29, 41, 0.3);
}

.coupon-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-sm);
}

.coupon-brand { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; }

.badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: 100px;
  white-space: nowrap;
}

.badge-referral { background: rgba(63, 168, 140, 0.18); color: var(--color-jade); }
.badge-discount { background: rgba(201, 162, 39, 0.2); color: var(--color-brass); }

.coupon-desc { color: var(--color-ink-muted); font-size: 0.9rem; flex: 1; }

.coupon-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-ink-muted);
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-hairline);
}

.vote-counts { display: flex; gap: 0.75rem; }

/* ==========================================================================
   Coupon detail page
   ========================================================================== */

.detail-card {
  background: var(--color-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 560px;
  margin: var(--space-xl) auto;
}

.code-box {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.85rem;
  background: var(--color-porcelain-dim);
  border: 1px dashed var(--color-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-md) 0;
}

.code-actions {
  display: flex;
  gap: 0.6rem;
}

.code-text {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  word-break: break-all;
}

.vote-row {
  display: flex;
  gap: var(--space-sm);
  margin: var(--space-md) 0;
}

.report-link {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ==========================================================================
   Forms (Submit Coupon)
   ========================================================================== */

.form-card {
  background: var(--color-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  max-width: 560px;
  margin: var(--space-xl) auto;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  background: var(--color-porcelain);
}

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

.type-toggle { display: flex; gap: var(--space-sm); }

.type-toggle input { display: none; }

.type-toggle label {
  flex: 1;
  text-align: center;
  padding: 0.85rem;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  transition: all 0.15s var(--ease);
}

.type-toggle input:checked + label.referral { background: rgba(47, 111, 94, 0.1); border-color: var(--color-jade); color: var(--color-jade-dark); }
.type-toggle input:checked + label.discount { background: rgba(176, 141, 87, 0.12); border-color: var(--color-brass); color: var(--color-brass-dark); }

.captcha-row { display: flex; align-items: center; gap: var(--space-sm); }
.captcha-question { font-family: var(--font-mono); font-weight: 600; font-size: 1.1rem; white-space: nowrap; }

.form-message {
  margin-top: var(--space-sm);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}
.form-message.show { display: block; }
.form-message.success { background: rgba(47, 111, 94, 0.1); color: var(--color-jade-dark); }
.form-message.error { background: rgba(166, 67, 47, 0.1); color: var(--color-danger); }

/* ==========================================================================
   How it works (numbered — this IS a real sequence)
   ========================================================================== */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
}

.step-num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-hairline);
  margin-bottom: var(--space-xs);
}

@media (max-width: 720px) {
  .steps { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Empty / loading states
   ========================================================================== */

.empty-state, .loading-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  color: var(--color-ink-muted);
}

.empty-state h3 { color: var(--color-ink); margin-bottom: 0.4rem; }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-hairline);
  padding: var(--space-lg) 0;
  margin-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  color: var(--color-ink-muted);
  font-size: 0.85rem;
}

/* ==========================================================================
   Toast (used for "code copied")
   ========================================================================== */

.toast {
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-card);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline);
  padding: 0.75rem 1.3rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  z-index: 100;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}