/* =============================================
   ZITLAS Dietitian Marketplace — dietitian.css
   ============================================= */

/* ── CSS Variables ── */
:root {
  --accent:       var(--primary);
  --accent-light: var(--primary-hover);
  --accent-glow:  rgba(var(--primary-rgb),0.18);

  --green:        var(--success);
  --green-glow:   rgba(var(--success-rgb),0.15);
  --cyan:         var(--ai-accent);

  --radius:    18px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-xs:  8px;

  --transition:      0.22s ease;
  --transition-slow: 0.36s cubic-bezier(0.34, 1.56, 0.64, 1);

  --nav-height: 100px;
}

/* ── Dark Theme (default) ── */
[data-theme="dark"] {
  --bg:           var(--bg-primary);
  --bg-alt:       var(--bg-card);
  --card:         var(--bg-card);
  --card-hover:   var(--bg-card-light);
  --card-active:  var(--border);
  --border:       var(--border);
  --border-sub:   var(--bg-card-light);

  --text:         var(--text-primary);
  --text-sec:     var(--text-secondary);
  --text-muted:   var(--text-muted);

  --icon:         var(--text-secondary);
  --shadow:       0 4px 28px rgba(var(--black-rgb),0.55);
  --shadow-sm:    0 2px 12px rgba(var(--black-rgb),0.4);
  --glow-accent:  0 0 20px rgba(var(--primary-rgb),0.22);
}

/* ── Light Theme ── */
[data-theme="light"] {
  --bg:           #F4F4F4;
  --bg-alt:       var(--text-primary);
  --card:         var(--text-primary);
  --card-hover:   #F9F9F9;
  --card-active:  var(--text-primary);
  --border:       #E8E8E8;
  --border-sub:   var(--text-primary);

  --text:         var(--bg-card);
  --text-sec:     var(--text-muted);
  --text-muted:   var(--text-muted);

  --icon:         var(--text-muted);
  --shadow:       0 4px 28px rgba(var(--black-rgb),0.07);
  --shadow-sm:    0 2px 12px rgba(var(--black-rgb),0.05);
  --glow-accent:  0 0 20px rgba(var(--primary-rgb),0.12);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom, 0px) + 30px);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

/* =============================================
   HEADER
   ============================================= */
.dt-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-sub);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: background var(--transition), border-color var(--transition);
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--icon);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.icon-btn:hover  { background: var(--card); color: var(--text); transform: scale(1.08); }
.icon-btn:active { transform: scale(0.94); }

.dt-header-center { text-align: center; }
.dt-header-right  { width: 40px; }

.dt-header-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  transition: color var(--transition);
}

.dt-header-sub {
  font-size: 11.5px;
  color: var(--text-sec);
  margin-top: 2px;
  transition: color var(--transition);
}

/* =============================================
   ELITE BANNER
   ============================================= */
.elite-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 14px 16px 0;
  padding: 14px 18px;
  background: linear-gradient(135deg, rgba(var(--primary-rgb),0.12) 0%, rgba(255,169,64,0.07) 100%);
  border: 1px solid rgba(var(--primary-rgb),0.3);
  border-radius: var(--radius-md);
  animation: slide-up 0.35s ease both;
}

.elite-crown { font-size: 24px; flex-shrink: 0; }

.elite-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.elite-title {
  font-size: 13.5px;
  font-weight: 800;
  color: var(--accent);
}

.elite-sub {
  font-size: 11.5px;
  color: var(--text-sec);
  transition: color var(--transition);
}

.elite-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  background: var(--accent);
  color: var(--text-primary);
  border-radius: 20px;
  flex-shrink: 0;
  letter-spacing: 0.03em;
}

/* =============================================
   MAIN CONTENT
   ============================================= */
.dt-main {
  max-width: 600px;
  margin: 0 auto;
  padding: 16px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Page Heading ── */
.dt-page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: slide-up 0.35s ease 0.05s both;
}

.dt-page-title {
  font-size: 20px;
  font-weight: 900;
  color: var(--text);
  transition: color var(--transition);
}

.dt-count {
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  background: rgba(var(--success-rgb),0.1);
  border: 1px solid rgba(var(--success-rgb),0.2);
  border-radius: 20px;
  color: var(--green);
}

/* =============================================
   FILTERS
   ============================================= */
.filters-outer {
  overflow-x: auto;
  margin: 0 -16px;
  padding: 0 16px;
  scrollbar-width: none;
  animation: slide-up 0.35s ease 0.1s both;
}
.filters-outer::-webkit-scrollbar { display: none; }

.filters-scroll {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: max-content;
  padding-bottom: 4px;
}

.filter-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-sec);
  white-space: nowrap;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
}

.filter-pill:hover {
  border-color: rgba(var(--primary-rgb),0.35);
  color: var(--text);
  transform: translateY(-1px);
}

.filter-pill:active { transform: scale(0.95); }

.filter-pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-primary);
  box-shadow: 0 3px 12px rgba(var(--primary-rgb),0.35);
}

.filter-pill.active-mode-online {
  background: rgba(var(--success-rgb),0.15);
  border-color: rgba(var(--success-rgb),0.4);
  color: var(--green);
}

.filter-pill.active-mode-offline {
  background: rgba(var(--primary-rgb),0.12);
  border-color: rgba(var(--primary-rgb),0.35);
  color: var(--accent);
}

.filter-divider {
  width: 1px;
  height: 22px;
  background: var(--border);
  flex-shrink: 0;
  margin: 0 2px;
}

.filter-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.filter-dot-green   { background: var(--green); }
.filter-dot-orange  { background: var(--accent); }

/* ── Active filter tags ── */
.active-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  animation: slide-up 0.2s ease both;
}

.active-filter-tag {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  background: rgba(var(--primary-rgb),0.1);
  border: 1px solid rgba(var(--primary-rgb),0.22);
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
}

.active-filter-remove {
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  color: var(--accent);
  background: none;
  border: none;
  padding: 0;
  margin-left: 2px;
  transition: transform var(--transition);
}
.active-filter-remove:hover { transform: scale(1.2); }

/* =============================================
   DIETITIAN CARDS
   ============================================= */
.dt-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: slide-up 0.35s ease 0.15s both;
}

.dt-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.dt-card:hover {
  border-color: rgba(var(--primary-rgb),0.25);
  transform: translateY(-2px);
  box-shadow: var(--shadow), 0 0 18px rgba(var(--primary-rgb),0.06);
}

/* Card Top Row */
.dt-card-top {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 14px;
}

/* Avatar */
.dt-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 900;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

.dt-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.dt-avatar-initials {
  font-size: 22px;
  font-weight: 900;
  color: var(--text-primary);
}

/* Online indicator */
.dt-online-dot {
  position: absolute;
  bottom: 3px;
  right: 3px;
  width: 12px;
  height: 12px;
  background: var(--green);
  border-radius: 50%;
  border: 2px solid var(--card);
}

.dt-offline-dot {
  position: absolute;
  bottom: 3px;
  right: 3px;
  width: 12px;
  height: 12px;
  background: var(--text-muted);
  border-radius: 50%;
  border: 2px solid var(--card);
}

/* Card Info */
.dt-card-info {
  flex: 1;
  min-width: 0;
}

.dt-card-name-row {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  margin-bottom: 2px;
}

.dt-card-name {
  font-size: 15.5px;
  font-weight: 800;
  color: var(--text);
  transition: color var(--transition);
}

.dt-verified-badge {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.dt-card-spec {
  font-size: 12.5px;
  color: var(--text-sec);
  margin-bottom: 8px;
  transition: color var(--transition);
}

.dt-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.dt-meta-chip {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  color: var(--text-sec);
  transition: color var(--transition);
}

.dt-meta-icon { font-size: 13px; line-height: 1; }

/* Rating */
.dt-rating {
  display: flex;
  align-items: center;
  gap: 3px;
}

.dt-rating-stars {
  font-size: 12px;
  color: #FBBF24;
  line-height: 1;
}

.dt-rating-val {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text);
  transition: color var(--transition);
}

/* Languages row */
.dt-card-langs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.dt-lang-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  background: rgba(var(--ai-rgb),0.1);
  border: 1px solid rgba(var(--ai-rgb),0.2);
  border-radius: 20px;
  color: var(--cyan);
}

/* Sports Tags */
.dt-card-sports {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.dt-sport-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  background: rgba(var(--primary-rgb),0.08);
  border: 1px solid rgba(var(--primary-rgb),0.18);
  border-radius: 20px;
  color: var(--accent);
}

/* Card Bottom Row */
.dt-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-sub);
}

.dt-fee-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dt-fee-label {
  font-size: 10.5px;
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--transition);
}

.dt-fee-price {
  font-size: 20px;
  font-weight: 900;
  color: var(--text);
  line-height: 1;
  transition: color var(--transition);
}

.dt-fee-session {
  font-size: 10.5px;
  color: var(--text-sec);
  font-weight: 500;
  transition: color var(--transition);
}

/* Free badge for Elite */
.dt-free-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  background: rgba(var(--success-rgb),0.12);
  border: 1px solid rgba(var(--success-rgb),0.25);
  border-radius: 20px;
  color: var(--green);
  margin-top: 4px;
  display: inline-block;
}

.dt-card-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

.dt-ask-btn {
  padding: 10px 18px;
  background: linear-gradient(135deg, #FF6B00, var(--accent));
  border-radius: var(--radius-sm);
  border: none;
  color: var(--text-primary);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 3px 12px rgba(var(--primary-rgb),0.3);
  white-space: nowrap;
}
.dt-ask-btn:hover  { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 5px 18px rgba(var(--primary-rgb),0.38); }
.dt-ask-btn:active { transform: scale(0.96); }

.dt-verify-btn {
  padding: 9px 18px;
  background: transparent;
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  white-space: nowrap;
}
.dt-verify-btn:hover  { background: rgba(var(--primary-rgb),0.1); transform: translateY(-1px); }
.dt-verify-btn:active { transform: scale(0.96); }

/* =============================================
   EMPTY STATE
   ============================================= */
.dt-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 24px;
  gap: 12px;
  animation: slide-up 0.3s ease both;
}

.dt-empty-icon { font-size: 52px; line-height: 1; }

.dt-empty-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  transition: color var(--transition);
}

.dt-empty-desc {
  font-size: 13.5px;
  color: var(--text-sec);
  line-height: 1.6;
  transition: color var(--transition);
}

.dt-empty-reset-btn {
  margin-top: 4px;
  padding: 11px 24px;
  background: var(--accent);
  color: var(--text-primary);
  font-size: 13.5px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: opacity var(--transition), transform var(--transition);
}
.dt-empty-reset-btn:hover  { opacity: 0.9; transform: translateY(-1px); }
.dt-empty-reset-btn:active { transform: scale(0.96); }

/* =============================================
   NOTIFY BANNER
   ============================================= */
.dt-notify-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  animation: slide-up 0.3s ease both;
}

.dt-notify-icon { font-size: 28px; flex-shrink: 0; }

.dt-notify-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.dt-notify-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  transition: color var(--transition);
}

.dt-notify-sub {
  font-size: 12px;
  color: var(--text-sec);
  transition: color var(--transition);
}

.dt-notify-btn {
  padding: 9px 16px;
  background: var(--accent);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: opacity var(--transition), transform var(--transition);
}
.dt-notify-btn:hover  { opacity: 0.9; transform: scale(1.03); }
.dt-notify-btn:active { transform: scale(0.96); }

/* =============================================
   BOOKING MODAL
   ============================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(var(--black-rgb),0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

[data-theme="light"] .modal-overlay { background: rgba(var(--black-rgb),0.42); }

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 24px 20px 40px;
  width: 100%;
  max-width: 600px;
  transform: translateY(100%);
  transition: transform 0.36s cubic-bezier(0.34, 1.1, 0.64, 1), background 0.22s ease, border-color 0.22s ease;
  box-shadow: 0 -8px 40px rgba(var(--black-rgb),0.45);
  max-height: 90vh;
  overflow-y: auto;
  scrollbar-width: none;
}
.modal-card::-webkit-scrollbar { display: none; }

.modal-card::before {
  content: '';
  display: block;
  width: 36px;
  height: 4px;
  background: var(--border);
  border-radius: 99px;
  margin: 0 auto 20px;
}

.modal-overlay.open .modal-card { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 4px;
}

.modal-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  transition: color var(--transition);
}

.modal-dietitian-tag {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--green);
  margin-top: 3px;
}

.modal-step-label {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 600;
  margin: 6px 0 16px;
  transition: color var(--transition);
}

.modal-close-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--icon);
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.modal-close-btn:hover  { background: var(--card-hover); color: var(--text); }
.modal-close-btn:active { transform: scale(0.9); }

/* Date Grid */
.date-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
  margin-bottom: 20px;
}

.date-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 11px 6px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.date-cell:hover  { border-color: rgba(var(--success-rgb),0.4); transform: translateY(-1px); }
.date-cell:active { transform: scale(0.95); }
.date-cell.active {
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 4px 14px rgba(var(--success-rgb),0.35);
}

.date-cell-day  { font-size: 10.5px; font-weight: 700; color: var(--text-sec); line-height: 1; transition: color var(--transition); }
.date-cell-num  { font-size: 18px; font-weight: 900; color: var(--text); line-height: 1; transition: color var(--transition); }
.date-cell-mon  { font-size: 10px; color: var(--text-muted); font-weight: 600; transition: color var(--transition); }
.date-cell.active .date-cell-day,
.date-cell.active .date-cell-num,
.date-cell.active .date-cell-mon  { color: var(--text-primary); }

/* Time Grid */
.time-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
  margin-bottom: 20px;
}

.time-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 12px 8px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.time-cell:hover  { border-color: rgba(var(--success-rgb),0.4); transform: translateY(-1px); }
.time-cell:active { transform: scale(0.95); }
.time-cell.active {
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 4px 14px rgba(var(--success-rgb),0.35);
}
.time-cell.booked {
  opacity: 0.38;
  cursor: not-allowed;
  pointer-events: none;
}

.time-cell-val    { font-size: 13.5px; font-weight: 800; color: var(--text); line-height: 1; transition: color var(--transition); }
.time-cell-period { font-size: 10px; color: var(--text-sec); font-weight: 600; transition: color var(--transition); }
.time-cell.active .time-cell-val,
.time-cell.active .time-cell-period { color: var(--text-primary); }

/* Booking Summary */
.booking-summary {
  background: rgba(var(--success-rgb),0.06);
  border: 1px solid rgba(var(--success-rgb),0.2);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.booking-summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bs-label { font-size: 12.5px; color: var(--text-sec); font-weight: 500; transition: color var(--transition); }
.bs-value { font-size: 13.5px; font-weight: 700; color: var(--text); transition: color var(--transition); }
.bs-value-price { font-size: 16px; font-weight: 900; color: var(--green); }
.bs-value-free  { font-size: 13.5px; font-weight: 700; color: var(--green); }

/* Confirm Button */
.modal-next-btn,
.modal-confirm-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--success-dark), var(--green));
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 700;
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: 0 4px 14px rgba(var(--success-rgb),0.3);
}
.modal-next-btn:hover,
.modal-confirm-btn:hover  { opacity: 0.9; transform: translateY(-1px); }
.modal-next-btn:active,
.modal-confirm-btn:active { transform: scale(0.97); }
.modal-next-btn:disabled  { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }

/* Booking Success */
.booking-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 16px 8px 8px;
  gap: 14px;
}

.booking-success-icon { font-size: 52px; line-height: 1; }

.booking-success-title {
  font-size: 22px;
  font-weight: 900;
  color: var(--text);
  transition: color var(--transition);
}

.booking-success-desc {
  font-size: 13.5px;
  color: var(--text-sec);
  line-height: 1.6;
  transition: color var(--transition);
}

/* =============================================
   TOAST
   ============================================= */
.toast {
  position: fixed;
  bottom: calc(var(--nav-height) + env(safe-area-inset-bottom, 0px) + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(14px);
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 40px;
  padding: 11px 22px;
  font-size: 13px;
  font-weight: 600;
  z-index: 400;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  box-shadow: 0 4px 24px rgba(var(--black-rgb),0.3);
  transition:
    opacity 0.25s ease,
    transform 0.28s cubic-bezier(0.34, 1.3, 0.64, 1),
    background 0.22s ease,
    color 0.22s ease,
    border-color 0.22s ease;
}

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

/* =============================================
   PAGE LOAD ANIMATIONS
   ============================================= */
@keyframes slide-up {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 360px) {
  .date-grid  { grid-template-columns: repeat(3, 1fr); }
  .time-grid  { grid-template-columns: repeat(2, 1fr); }
  .dt-card-top { gap: 10px; }
  .dt-avatar  { width: 54px; height: 54px; font-size: 20px; }
}

@media (min-width: 480px) {
  .dt-main { max-width: 680px; }
  .date-grid { grid-template-columns: repeat(5, 1fr); }
  .time-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 768px) {
  .dt-main    { max-width: 760px; padding: 24px 28px 8px; }
  .dt-header  { padding: 16px 28px; }
  .bottom-nav { max-width: 500px; }
}

@media (min-width: 1024px) {
  .dt-main    { max-width: 900px; padding: 28px 40px 8px; }
  .dt-header  { padding: 16px 40px; }
  .modal-overlay { align-items: center; }
  .modal-card { border-radius: var(--radius); max-width: 500px; transform: scale(0.92); }
  .modal-overlay.open .modal-card { transform: scale(1); }
  .bottom-nav { max-width: 560px; }
}

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