/* ─── RONE SHARED STYLES ─────────────────────────────── */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --amber-500: #f59e0b;
  --amber-400: #fbbf24;
  --amber-300: #fcd34d;
  --amber-100: #fef3c7;
  --amber-50: #fffbeb;
  --emerald-500: #10b981;
  --emerald-400: #34d399;
  --emerald-100: #d1fae5;
  --emerald-50: #ecfdf5;
  --red-500: #ef4444;
  --red-100: #fee2e2;
  --red-50: #fef2f2;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 16px;
}

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--slate-800);
  background: var(--slate-50);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

a { color: var(--amber-500); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── NAV ──────────────────────────────────────────── */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--slate-200);
}
.app-nav .logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--slate-900);
  letter-spacing: -0.03em;
  text-decoration: none;
}
.app-nav .logo span { color: var(--amber-500); }
.app-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.app-nav .nav-links a {
  font-size: 0.9rem;
  color: var(--slate-600);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s;
}
.app-nav .nav-links a:hover { color: var(--slate-900); }
.app-nav .nav-links a.active { color: var(--amber-500); }

/* ─── BUTTONS ──────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  text-decoration: none;
}
.btn-primary {
  background: var(--slate-900);
  color: white;
}
.btn-primary:hover { background: var(--slate-800); transform: translateY(-1px); }
.btn-secondary {
  background: white;
  color: var(--slate-700);
  border: 1px solid var(--slate-200);
}
.btn-secondary:hover { background: var(--slate-50); border-color: var(--slate-300); }
.btn-amber {
  background: var(--amber-500);
  color: white;
}
.btn-amber:hover { background: var(--amber-400); }
.btn-danger {
  background: var(--red-500);
  color: white;
}
.btn-danger:hover { background: #dc2626; }
.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.82rem;
}
.btn-ghost {
  background: transparent;
  color: var(--slate-500);
  padding: 0.45rem 0.75rem;
}
.btn-ghost:hover { background: var(--slate-100); color: var(--slate-700); }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ─── FORMS ────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  color: var(--slate-800);
  background: white;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--amber-400);
  box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.15);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}
.form-hint {
  font-size: 0.8rem;
  color: var(--slate-400);
  margin-top: 0.3rem;
}

/* ─── CARDS ────────────────────────────────────────── */
.card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-200);
  padding: 1.75rem;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--slate-900);
}

/* ─── PAGE LAYOUT ──────────────────────────────────── */
.page-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
}
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}
.page-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--slate-900);
  letter-spacing: -0.02em;
}

/* ─── STATS GRID ───────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-200);
  padding: 1.25rem 1.5rem;
}
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--slate-900);
  line-height: 1.1;
}
.stat-label {
  font-size: 0.82rem;
  color: var(--slate-500);
  margin-top: 0.25rem;
  font-weight: 500;
}

/* ─── LISTING CARDS ────────────────────────────────── */
.listings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
}
.listing-card {
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-200);
  padding: 1.5rem;
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: pointer;
}
.listing-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15,23,42,0.06);
}
.listing-address {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--slate-900);
  margin-bottom: 0.25rem;
}
.listing-meta {
  font-size: 0.85rem;
  color: var(--slate-500);
  margin-bottom: 1rem;
}
.listing-stats {
  display: flex;
  gap: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--slate-100);
}
.listing-stat {
  font-size: 0.82rem;
  color: var(--slate-500);
}
.listing-stat strong {
  color: var(--slate-800);
  font-weight: 600;
}

/* ─── BADGE ────────────────────────────────────────── */
.badge {
  display: inline-flex;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-green { background: var(--emerald-50); color: var(--emerald-500); }
.badge-amber { background: var(--amber-50); color: var(--amber-500); }
.badge-red { background: var(--red-50); color: var(--red-500); }
.badge-slate { background: var(--slate-100); color: var(--slate-600); }

/* ─── TABLE ────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
}
th {
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--slate-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--slate-200);
}
td {
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--slate-100);
  color: var(--slate-700);
}
tr:last-child td { border-bottom: none; }

/* ─── SLOT CHIPS ───────────────────────────────────── */
.slot-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.slot-chip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  transition: all 0.15s;
}
.slot-chip.available {
  cursor: pointer;
}
.slot-chip.available:hover {
  border-color: var(--amber-400);
  background: var(--amber-50);
}
.slot-chip.booked {
  background: var(--amber-50);
  border-color: rgba(251,191,36,0.3);
}
.slot-chip.selected {
  border-color: var(--amber-500);
  background: var(--amber-100);
  box-shadow: 0 0 0 2px rgba(251,191,36,0.2);
}
.slot-time {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--slate-800);
}
.slot-status {
  font-size: 0.8rem;
  font-weight: 500;
}
.slot-status.available { color: var(--emerald-500); }
.slot-status.booked { color: var(--amber-500); }

/* ─── AUTH PAGES ───────────────────────────────────── */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(165deg, var(--white) 0%, var(--slate-50) 50%, #fef9ee 100%);
}
.auth-card {
  background: white;
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(15,23,42,0.06);
  border: 1px solid var(--slate-200);
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
}
.auth-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.auth-card .subtitle {
  font-size: 0.95rem;
  color: var(--slate-500);
  margin-bottom: 2rem;
}
.auth-card .btn { width: 100%; justify-content: center; }
.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--slate-500);
}

/* ─── ALERT / TOAST ────────────────────────────────── */
.alert {
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}
.alert-error { background: var(--red-50); color: #b91c1c; border: 1px solid var(--red-100); }
.alert-success { background: var(--emerald-50); color: #065f46; border: 1px solid var(--emerald-100); }

/* ─── EMPTY STATE ──────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
}
.empty-state .icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.empty-state h3 {
  font-size: 1.15rem;
  color: var(--slate-700);
  margin-bottom: 0.5rem;
}
.empty-state p {
  font-size: 0.95rem;
  color: var(--slate-400);
  margin-bottom: 1.5rem;
}

/* ─── MODAL / OVERLAY ──────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}
.modal {
  background: white;
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(15,23,42,0.15);
  padding: 2rem;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--slate-900);
  margin-bottom: 1.25rem;
}

/* ─── CONFIRMATION VIEW ────────────────────────────── */
.confirmation {
  text-align: center;
  padding: 2rem;
}
.confirmation .check-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--emerald-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.75rem;
}
.confirmation h2 {
  font-size: 1.35rem;
  color: var(--slate-900);
  margin-bottom: 0.5rem;
}
.confirmation .code {
  font-family: 'Space Grotesk', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--amber-500);
  letter-spacing: 0.1em;
  margin: 1rem 0;
}
.confirmation .details {
  font-size: 0.95rem;
  color: var(--slate-600);
  line-height: 1.7;
}

/* ─── COPY LINK ────────────────────────────────────── */
.copy-link-bar {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.copy-link-bar input {
  flex: 1;
  padding: 0.6rem 1rem;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-family: monospace;
  color: var(--slate-600);
  background: var(--slate-50);
}
.copy-link-bar input:focus { outline: none; }

/* ─── SPINNER ──────────────────────────────────────── */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--slate-200);
  border-top-color: var(--amber-500);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── RESPONSIVE ───────────────────────────────────── */
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .listings-grid { grid-template-columns: 1fr; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .page-container { padding: 1.25rem; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .app-nav { padding: 0.85rem 1.25rem; }
  .app-nav .nav-links { gap: 0.75rem; }
  .app-nav .nav-links a { font-size: 0.82rem; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 1.75rem; }
}