nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--surface); border-bottom: 1px solid var(--border);
  height: var(--nav-h); display: flex; align-items: center; gap: 0;
  padding: 0 16px; box-shadow: var(--shadow);
  overflow-x: auto; overflow-y: hidden;
  scrollbar-width: none;
}
nav::-webkit-scrollbar { display: none; }

.nav-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1rem; font-weight: 700; color: var(--accent);
  white-space: nowrap; margin-right: 12px; flex-shrink: 0;
}

.nav-tabs { display: flex; gap: 2px; flex-shrink: 0; }

.nav-tab {
  padding: 7px 14px; border-radius: 8px; border: none;
  background: transparent; color: var(--text2); cursor: pointer;
  font-family: 'DM Sans', sans-serif; font-size: 0.82rem; font-weight: 500;
  white-space: nowrap; transition: all 0.2s;
  text-decoration: none; display: inline-block;
}
.nav-tab:hover { background: var(--surface2); color: var(--text); }
.nav-tab.active { background: var(--accent); color: #fff; }

.nav-right {
  margin-left: auto; display: flex; gap: 8px;
  align-items: center; flex-shrink: 0; padding-left: 8px;
}

.theme-btn {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface2); cursor: pointer;
  font-size: 1.1rem; display: flex;
  align-items: center; justify-content: center; transition: all 0.2s;
}
.theme-btn:hover { transform: rotate(20deg); }

.btn {
  padding: 8px 14px; border-radius: 8px; border: none; cursor: pointer;
  font-family: 'DM Sans', sans-serif; font-size: 0.82rem; font-weight: 600;
  transition: all 0.2s; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent2); }
.btn-ghost { background: var(--surface2); color: var(--text2); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--border); }
.btn-danger { background: #fee; color: var(--red); border: 1px solid #fcc; }
.btn-danger:hover { background: var(--red); color: white; }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 200;
  display: none; align-items: center; justify-content: center; padding: 16px;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--surface); border-radius: var(--radius); padding: 24px;
  width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal h2 { font-family: 'Playfair Display', serif; font-size: 1.2rem; margin-bottom: 16px; }

.form-row { margin-bottom: 12px; }
.form-label { font-size: 0.78rem; color: var(--text2); font-weight: 600; margin-bottom: 4px; display: block; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface2); color: var(--text); font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem; outline: none; transition: border 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--accent); }
.form-textarea { resize: vertical; min-height: 70px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--text); color: var(--bg); padding: 10px 20px; border-radius: 999px;
  font-size: 0.85rem; font-weight: 500; z-index: 300; transition: transform 0.3s;
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }

.section {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.section-title {
  font-family: 'Playfair Display', serif; font-size: 1.1rem;
  font-weight: 600; color: var(--text); margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}

.flatpickr-calendar { font-family: 'DM Sans', sans-serif; border-color: var(--border); box-shadow: var(--shadow); background: var(--surface); }
.flatpickr-day { color: var(--text); }
.flatpickr-day:hover, .flatpickr-day:focus { background: var(--surface2); border-color: var(--border); }
.flatpickr-day.selected, .flatpickr-day.selected:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.flatpickr-day.inRange { background: var(--surface2); border-color: var(--border); box-shadow: -5px 0 0 var(--surface2), 5px 0 0 var(--surface2); }
.flatpickr-day.startRange, .flatpickr-day.endRange { background: var(--accent); border-color: var(--accent); color: #fff; }
.flatpickr-months .flatpickr-month, .flatpickr-weekdays, span.flatpickr-weekday { background: var(--surface); color: var(--text2); }
.flatpickr-current-month .flatpickr-monthDropdown-months, .flatpickr-current-month input.cur-year { color: var(--text); font-family: 'DM Sans', sans-serif; }
.flatpickr-prev-month svg, .flatpickr-next-month svg { fill: var(--text2); }
[data-theme="dark"] .flatpickr-calendar { background: var(--surface); color: var(--text); }
[data-theme="dark"] .flatpickr-day.flatpickr-disabled { color: var(--text2); }

.nav-link-sm { font-size: 0.78rem; }

#page-loader {
  position: fixed; inset: 0; z-index: 99998;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg, #faf7f4);
}
#page-loader .spinner {
  width: 40px; height: 40px; border-radius: 50%;
  border: 3px solid var(--border, #e8ddd4);
  border-top-color: var(--accent, #c8956a);
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media print {
  nav, .theme-btn, .btn, .modal-overlay { display: none !important; }
}