/* ═══════════════════════════════════════════════════════════════════════════
   🆕 (Update 32) TeacherBookingModule — «رزروِ معلم» — پیشوندِ tb-
   Mobile-first، RTL، Vazirmatn. همه‌چیز زیرِ .tb اسکوپ شده است.
   ═══════════════════════════════════════════════════════════════════════════ */
.tb {
  --tb-primary: #1d4ed8; --tb-primary-2: #1e3a8a; --tb-primary-bg: #eff6ff; --tb-accent: #0d9488; --tb-accent-bg: #f0fdfa;
  --tb-text: #0f172a; --tb-text-2: #475569; --tb-text-3: #64748b; --tb-border: #e2e8f0; --tb-surface: #fff; --tb-bg: #f8fafc;
  --tb-ok: #15803d; --tb-ok-bg: #dcfce7; --tb-warn: #b45309; --tb-warn-bg: #fef3c7; --tb-bad: #b91c1c; --tb-bad-bg: #fee2e2;
  --tb-radius: 14px; --tb-shadow: 0 4px 14px rgba(15,23,42,.05);
  max-width: 1120px; margin: 0 auto; padding: 14px 12px 120px; color: var(--tb-text); font-size: 14px; line-height: 1.7;
}
.tb, .tb * { font-family: 'Vazirmatn', system-ui, sans-serif; box-sizing: border-box; }
.tb .ti { font-family: 'tabler-icons' !important; }
.tb a { color: var(--tb-primary); text-decoration: none; }

/* ── Hero / Header ── */
.tb-hero { background: linear-gradient(135deg, #1e3a8a, #1d4ed8 55%, #0d9488); color: #fff; border-radius: 20px; padding: 18px; margin-bottom: 14px;
  display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; box-shadow: 0 12px 30px rgba(29,78,216,.22); }
.tb-hero h1 { margin: 0 0 4px; font-size: 19px; font-weight: 800; color: #fff; display: flex; gap: 8px; align-items: center; }
.tb-hero p { margin: 0; font-size: 13px; color: rgba(255,255,255,.88); }
.tb-hero .tb-btn { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.45); color: #fff; }

/* ── Cards ── */
.tb-card { background: var(--tb-surface); border: 1px solid var(--tb-border); border-radius: var(--tb-radius); padding: 14px; margin-bottom: 12px; box-shadow: var(--tb-shadow); }
.tb-card-h { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.tb-card-h h2, .tb-h2 { margin: 0; font-size: 15px; font-weight: 800; display: flex; gap: 6px; align-items: center; }
.tb-muted { color: var(--tb-text-3); font-size: 12.5px; }
.tb-grid { display: grid; gap: 12px; }
.tb-grid-2 { grid-template-columns: 1fr; }
.tb-grid-3 { grid-template-columns: 1fr; }
@media (min-width: 760px) { .tb-grid-2 { grid-template-columns: 1fr 1fr; } .tb-grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* ── KPI ── */
.tb-kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 12px; }
@media (min-width: 760px) { .tb-kpis { grid-template-columns: repeat(4, 1fr); } }
.tb-kpi { background: var(--tb-surface); border: 1px solid var(--tb-border); border-radius: 12px; padding: 12px; }
.tb-kpi-v { font-size: 20px; font-weight: 800; color: var(--tb-primary-2); line-height: 1.3; }
.tb-kpi-l { font-size: 12px; color: var(--tb-text-3); }
.tb-kpi.warn .tb-kpi-v { color: var(--tb-warn); } .tb-kpi.ok .tb-kpi-v { color: var(--tb-ok); }

/* ── Buttons / Inputs ── */
.tb-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 14px; border-radius: 10px; border: 1px solid var(--tb-border);
  background: var(--tb-surface); color: var(--tb-text); font-size: 13px; font-weight: 700; cursor: pointer; white-space: nowrap; min-height: 40px; }
.tb-btn:hover:not(:disabled) { border-color: #94a3b8; }
.tb-btn:disabled { opacity: .55; cursor: not-allowed; }
.tb-btn-primary { background: var(--tb-primary); border-color: var(--tb-primary); color: #fff; }
.tb-btn-primary:hover:not(:disabled) { background: var(--tb-primary-2); border-color: var(--tb-primary-2); }
.tb-btn-accent { background: var(--tb-accent); border-color: var(--tb-accent); color: #fff; }
.tb-btn-danger { color: var(--tb-bad); border-color: #fecaca; background: #fff; }
.tb-btn-sm { padding: 5px 10px; min-height: 32px; font-size: 12px; }
.tb-btn-block { width: 100%; }
.tb-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tb-field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.tb-field label { font-size: 12.5px; font-weight: 700; color: var(--tb-text-2); }
.tb-field small { font-size: 11.5px; color: var(--tb-text-3); }
.tb-input, .tb-select, .tb-textarea { width: 100%; border: 1px solid var(--tb-border); border-radius: 10px; padding: 9px 11px; font-size: 13.5px; background: #fff; color: var(--tb-text); min-height: 40px; }
.tb-input:focus, .tb-select:focus, .tb-textarea:focus { outline: none; border-color: var(--tb-primary); box-shadow: 0 0 0 3px rgba(29,78,216,.12); }
.tb-textarea { min-height: 84px; resize: vertical; }
.tb-check { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; cursor: pointer; }
.tb-check input { width: 18px; height: 18px; accent-color: var(--tb-primary); }
.tb-ltr { direction: ltr; text-align: left; }

/* ── Chips / Badges ── */
.tb-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.tb-chip { border: 1px solid var(--tb-border); background: #fff; border-radius: 999px; padding: 6px 12px; font-size: 12.5px; cursor: pointer; color: var(--tb-text-2); font-weight: 600; }
.tb-chip.on { background: var(--tb-primary-bg); border-color: #93c5fd; color: var(--tb-primary-2); }
.tb-badge { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; font-weight: 700; padding: 2px 9px; border-radius: 999px; background: #f1f5f9; color: var(--tb-text-2); white-space: nowrap; }
.tb-badge.ok { background: var(--tb-ok-bg); color: var(--tb-ok); }
.tb-badge.done { background: #e0e7ff; color: #3730a3; }
.tb-badge.warn { background: var(--tb-warn-bg); color: var(--tb-warn); }
.tb-badge.bad { background: var(--tb-bad-bg); color: var(--tb-bad); }
.tb-badge.muted { background: #f1f5f9; color: #64748b; }
.tb-badge.star { background: #fff7ed; color: #c2410c; }

/* ── Banners ── */
.tb-banner { display: flex; gap: 10px; align-items: flex-start; border-radius: 12px; padding: 11px 13px; margin-bottom: 12px; font-size: 13px; border: 1px solid; }
.tb-banner .ti { font-size: 18px; margin-top: 2px; }
.tb-banner.info { background: var(--tb-primary-bg); border-color: #bfdbfe; color: var(--tb-primary-2); }
.tb-banner.warn { background: #fffbeb; border-color: #fcd34d; color: #92400e; }
.tb-banner.ok { background: #f0fdf4; border-color: #86efac; color: #166534; }
.tb-banner.bad { background: #fef2f2; border-color: #fecaca; color: #991b1b; }

/* ── Teacher cards (search) ── */
.tb-teachers { display: grid; grid-template-columns: 1fr; gap: 10px; }
@media (min-width: 720px) { .tb-teachers { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1060px) { .tb-teachers { grid-template-columns: 1fr 1fr 1fr; } }
.tb-tcard { background: #fff; border: 1px solid var(--tb-border); border-radius: 16px; padding: 14px; display: flex; flex-direction: column; gap: 10px; box-shadow: var(--tb-shadow); position: relative; }
.tb-tcard.featured { border-color: #fdba74; box-shadow: 0 6px 18px rgba(234,88,12,.12); }
.tb-tcard-top { display: flex; gap: 12px; align-items: center; }
.tb-avatar { width: 56px; height: 56px; border-radius: 16px; object-fit: cover; background: var(--tb-primary-bg); color: var(--tb-primary); display: grid; place-items: center; font-size: 22px; font-weight: 800; flex: 0 0 auto; }
.tb-avatar-lg { width: 88px; height: 88px; border-radius: 22px; font-size: 32px; }
.tb-tname { font-weight: 800; font-size: 15px; }
.tb-thead { font-size: 12.5px; color: var(--tb-text-2); }
.tb-meta { display: flex; gap: 10px; flex-wrap: wrap; font-size: 12px; color: var(--tb-text-2); }
.tb-meta span { display: inline-flex; gap: 3px; align-items: center; }
.tb-stars { color: #f59e0b; font-weight: 800; }
.tb-price { font-weight: 800; color: var(--tb-primary-2); }
.tb-next { font-size: 12px; color: var(--tb-accent); font-weight: 700; }
.tb-fav { position: absolute; top: 10px; left: 10px; border: none; background: none; cursor: pointer; font-size: 20px; color: #cbd5e1; }
.tb-fav.on { color: #e11d48; }

/* ── Filters ── */
.tb-filters { display: grid; grid-template-columns: 1fr; gap: 8px; }
@media (min-width: 760px) { .tb-filters { grid-template-columns: 2fr 1.4fr 1fr 1fr 1fr; } }

/* ── Week calendar ── */
.tb-cal-nav { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 10px; }
.tb-cal-title { font-weight: 800; font-size: 13.5px; }
.tb-cal { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.tb-cal-day { background: var(--tb-bg); border: 1px solid var(--tb-border); border-radius: 12px; padding: 6px; min-height: 120px; display: flex; flex-direction: column; gap: 5px; }
.tb-cal-day.today { border-color: #93c5fd; background: #f5f9ff; }
.tb-cal-dh { text-align: center; font-size: 11.5px; font-weight: 800; color: var(--tb-text-2); }
.tb-cal-dh small { display: block; font-weight: 600; color: var(--tb-text-3); }
.tb-slot { border: 1px solid #bfdbfe; background: #fff; border-radius: 9px; padding: 5px 6px; cursor: pointer; text-align: center; font-size: 12px; line-height: 1.5; transition: transform .1s ease, box-shadow .1s ease; }
.tb-slot:hover:not(.full):not(.blocked):not(.past) { transform: translateY(-1px); box-shadow: 0 3px 10px rgba(29,78,216,.15); }
.tb-slot b { display: block; font-size: 12.5px; }
.tb-slot .cap { font-size: 10.5px; color: var(--tb-text-3); }
.tb-slot.full { background: #f1f5f9; border-color: var(--tb-border); color: var(--tb-text-3); }
.tb-slot.mine { background: var(--tb-ok-bg); border-color: #86efac; color: var(--tb-ok); }
.tb-slot.wait { background: #fff7ed; border-color: #fdba74; }
.tb-slot.blocked { background: repeating-linear-gradient(45deg, #f8fafc, #f8fafc 6px, #eef2f7 6px, #eef2f7 12px); color: var(--tb-text-3); border-style: dashed; }
.tb-slot.booked { background: #eef2ff; border-color: #a5b4fc; }
.tb-slot.few { border-color: #fdba74; }
.tb-cal-empty { text-align: center; font-size: 11px; color: var(--tb-text-3); margin-top: 18px; }
/* موبایل: روزها افقی و قابلِ اسکرول */
@media (max-width: 759px) {
  .tb-cal { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 46%; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; }
  .tb-cal-day { scroll-snap-align: start; min-height: 150px; }
}

/* ── Lists / tables ── */
.tb-list { display: flex; flex-direction: column; gap: 8px; }
.tb-row { display: flex; gap: 10px; align-items: center; justify-content: space-between; border: 1px solid var(--tb-border); border-radius: 12px; padding: 10px 12px; background: #fff; flex-wrap: wrap; }
.tb-row-main { display: flex; gap: 10px; align-items: center; min-width: 0; flex: 1 1 260px; }
.tb-row-title { font-weight: 800; font-size: 13.5px; }
.tb-row-sub { font-size: 12px; color: var(--tb-text-2); }
.tb-table-wrap { overflow-x: auto; }
.tb-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tb-table th { text-align: right; font-weight: 800; color: var(--tb-text-2); background: var(--tb-bg); padding: 8px; border-bottom: 1px solid var(--tb-border); white-space: nowrap; }
.tb-table td { padding: 8px; border-bottom: 1px solid #f1f5f9; vertical-align: middle; }

/* ── Tabs ── */
.tb-tabs { display: flex; gap: 6px; overflow-x: auto; margin-bottom: 12px; padding-bottom: 2px; }
.tb-tab { border: 1px solid var(--tb-border); background: #fff; border-radius: 10px; padding: 8px 13px; font-size: 13px; font-weight: 700; color: var(--tb-text-2); cursor: pointer; white-space: nowrap; }
.tb-tab.on { background: var(--tb-primary); border-color: var(--tb-primary); color: #fff; }
.tb-tab .n { background: rgba(0,0,0,.08); border-radius: 999px; padding: 0 7px; margin-inline-start: 4px; font-size: 11px; }
.tb-tab.on .n { background: rgba(255,255,255,.25); }

/* ── Modal / Drawer ── */
.tb-overlay { position: fixed; inset: 0; background: rgba(15,23,42,.45); z-index: 1060; display: flex; align-items: flex-end; justify-content: center; }
@media (min-width: 760px) { .tb-overlay { align-items: center; } }
.tb-modal { background: #fff; width: 100%; max-width: 560px; max-height: 92vh; overflow-y: auto; border-radius: 18px 18px 0 0; padding: 16px; animation: tbUp .18s ease-out; }
@media (min-width: 760px) { .tb-modal { border-radius: 18px; } }
.tb-modal-wide { max-width: 860px; }
.tb-modal-h { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; gap: 8px; }
.tb-modal-h h3 { margin: 0; font-size: 16px; font-weight: 800; }
.tb-x { border: none; background: #f1f5f9; width: 34px; height: 34px; border-radius: 10px; cursor: pointer; font-size: 16px; }
@keyframes tbUp { from { transform: translateY(14px); opacity: .5; } to { transform: none; opacity: 1; } }
.tb-summary { background: var(--tb-bg); border: 1px solid var(--tb-border); border-radius: 12px; padding: 10px 12px; display: flex; flex-direction: column; gap: 6px; font-size: 13px; margin-bottom: 10px; }
.tb-summary div { display: flex; justify-content: space-between; gap: 8px; }
.tb-summary b { font-weight: 800; }
.tb-countdown { font-weight: 800; color: var(--tb-warn); }

/* ── States ── */
.tb-empty { text-align: center; padding: 28px 12px; color: var(--tb-text-3); }
.tb-empty .ti { font-size: 38px; display: block; margin-bottom: 6px; color: #cbd5e1; }
.tb-skel { background: linear-gradient(90deg, #f1f5f9, #e2e8f0, #f1f5f9); background-size: 200% 100%; animation: tbSk 1.2s infinite; border-radius: 12px; min-height: 96px; }
@keyframes tbSk { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.tb-spin { width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.5); border-top-color: currentColor; border-radius: 50%; display: inline-block; animation: tbSpin .7s linear infinite; }
@keyframes tbSpin { to { transform: rotate(360deg); } }

/* ── Profile page ── */
.tb-profile-head { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.tb-sticky-cta { position: sticky; bottom: 70px; z-index: 5; }
.tb-review { border-bottom: 1px solid #f1f5f9; padding: 8px 0; font-size: 13px; }
.tb-review:last-child { border-bottom: none; }
.tb-days { display: flex; gap: 4px; flex-wrap: wrap; }
.tb-day { width: 44px; height: 38px; border-radius: 10px; border: 1px solid var(--tb-border); background: #fff; cursor: pointer; font-size: 12px; font-weight: 700; color: var(--tb-text-2); }
.tb-day.on { background: var(--tb-primary); border-color: var(--tb-primary); color: #fff; }
.tb-rating-pick { display: flex; gap: 4px; direction: ltr; justify-content: flex-end; }
.tb-rating-pick button { border: none; background: none; font-size: 28px; cursor: pointer; color: #cbd5e1; }
.tb-rating-pick button.on { color: #f59e0b; }

/* ── Toast ── */
.tb-toast-wrap { position: fixed; bottom: 84px; left: 50%; transform: translateX(-50%); z-index: 1100; display: flex; flex-direction: column; gap: 8px; width: min(92vw, 420px); pointer-events: none; }
.tb-toast { pointer-events: auto; background: #0f172a; color: #fff; padding: 11px 14px; border-radius: 12px; font-size: 13px; font-weight: 600; cursor: pointer; box-shadow: 0 10px 24px rgba(0,0,0,.18); font-family: 'Vazirmatn', system-ui, sans-serif; }
.tb-toast-success { background: #15803d; } .tb-toast-error { background: #b91c1c; } .tb-toast-warning { background: #b45309; } .tb-toast-info { background: #1d4ed8; }

@media (prefers-reduced-motion: reduce) { .tb *, .tb-toast { animation: none !important; transition: none !important; } }