/* ═══════════════════════════════════════════════════════════════
   TEACHER DASHBOARD v2 — Professional Educational Platform
   Mobile-first · RTL · Accessible · تمكَّن Identity
   Sprint 34 — Teacher Only
═══════════════════════════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
  --td-amber:       #A86210;
  --td-amber-hover: #8B5010;
  --td-amber-soft:  #FDF3E0;
  --td-amber-weak:  #FEF9F0;
  --td-amber-border:rgba(168,98,16,.18);
  --td-green:       #0F7B5F;
  --td-green-soft:  #E8F6EF;
  --td-nav-h:       60px;
  --td-max:         1160px;
  --td-gap:         14px;
  --td-radius:      16px;
  --td-card-bg:     #FFFFFF;
  --td-border:      rgba(15,53,42,.09);
  --td-shadow-sm:   0 2px 10px rgba(15,23,42,.05);
  --td-shadow-md:   0 6px 24px rgba(15,23,42,.08);
  --td-text:        #18231E;
  --td-muted:       #5A675F;
  --td-heading:     #0E211A;
  --td-bg:          #F3F6F4;
}
body.dark {
  --td-amber-soft:  rgba(168,98,16,.1);
  --td-amber-weak:  rgba(168,98,16,.06);
  --td-amber-border:rgba(168,98,16,.22);
  --td-card-bg:     #0E1F1A;
  --td-border:      rgba(255,255,255,.08);
  --td-text:        #D8E8E0;
  --td-muted:       #7EA090;
  --td-heading:     #EAF4EE;
  --td-bg:          #071611;
}

/* ─── Base ─── */
*, *::before, *::after { box-sizing: border-box; }
body { background: var(--td-bg); color: var(--td-text); font-family: 'Tajawal', system-ui, sans-serif; margin: 0; }

/* ═══════════════════════════════════════
   TOP NAV
═══════════════════════════════════════ */
.td-topnav {
  position: fixed; top: 0; inset-inline: 0; z-index: 900;
  height: var(--td-nav-h);
  background: rgba(247,250,248,.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(168,98,16,.15);
}
body.dark .td-topnav {
  background: rgba(7,22,17,.96);
  border-color: rgba(168,98,16,.2);
}

.td-nav-inner {
  max-width: var(--td-max);
  height: var(--td-nav-h);
  margin: 0 auto;
  padding-inline: clamp(14px, 3vw, 28px);
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Brand */
.td-nav-brand {
  display: flex; align-items: center; gap: 9px;
  text-decoration: none; flex-shrink: 0;
}
.td-nav-logo { width: 36px; height: 36px; }
.td-nav-wordmark { display: flex; flex-direction: column; }
.td-nav-name { font-size: 16px; font-weight: 900; color: var(--td-green); line-height: 1; }
.td-nav-sub { font-size: 10px; color: var(--td-muted); font-weight: 600; }

/* Search */
.td-nav-search {
  flex: 1; max-width: 240px;
  display: flex; align-items: center; gap: 8px;
  background: var(--td-amber-weak);
  border: 1px solid var(--td-amber-border);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 13px;
  transition: border-color .15s;
}
.td-nav-search:focus-within {
  border-color: var(--td-amber);
  box-shadow: 0 0 0 3px rgba(168,98,16,.1);
}
.td-nav-search input {
  background: none; border: none; outline: none;
  font-size: 13px; width: 100%;
  color: var(--td-text);
  font-family: 'Tajawal', system-ui, sans-serif;
}
.td-nav-search input::placeholder { color: var(--td-muted); }

/* Nav actions */
.td-nav-actions {
  display: flex; align-items: center; gap: 6px;
  margin-inline-start: auto;
}
.td-nav-btn {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--td-border);
  background: var(--td-amber-weak);
  cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  position: relative; color: var(--td-text);
  transition: background .15s, border-color .15s;
}
.td-nav-btn:hover { background: var(--td-amber-soft); border-color: var(--td-amber-border); }
.td-notif-btn { font-size: 18px; }
.td-logout-btn { font-size: 18px; }

.td-nav-badge {
  position: absolute; top: 4px; left: 4px;
  width: 8px; height: 8px; border-radius: 50%;
  background: #EF4444; border: 2px solid var(--td-card-bg);
}

.td-nav-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--td-amber) 0%, #8B5010 100%);
  color: #fff; font-size: 15px; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; flex-shrink: 0;
  box-shadow: 0 3px 10px rgba(168,98,16,.3);
}

/* NAV MOBILE */
@media (max-width: 580px) {
  .td-nav-search { display: none; }
  .td-nav-wordmark { display: none; }
  .td-nav-btn { width: 34px; height: 34px; font-size: 15px; }
  .td-nav-avatar { width: 34px; height: 34px; font-size: 14px; }
}

/* ═══════════════════════════════════════
   MAIN WRAPPER
═══════════════════════════════════════ */
.td-main {
  max-width: var(--td-max);
  margin: 0 auto;
  padding-top: calc(var(--td-nav-h) + 20px);
  padding-bottom: 80px;
  padding-inline: clamp(14px, 4vw, 28px);
  display: flex;
  flex-direction: column;
  gap: var(--td-gap);
}

/* ═══════════════════════════════════════
   1. HERO SECTION
═══════════════════════════════════════ */
.td-hero {
  background: linear-gradient(135deg, var(--td-amber) 0%, #7B4A0A 100%);
  border-radius: var(--td-radius);
  padding: 24px 26px;
  display: flex; align-items: center;
  justify-content: space-between; gap: 20px;
  flex-wrap: wrap;
  box-shadow: 0 6px 28px rgba(168,98,16,.22);
  position: relative; overflow: hidden;
}
.td-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(255,255,255,.1) 0%, transparent 55%),
    radial-gradient(circle at 10% 80%, rgba(255,255,255,.06) 0%, transparent 40%);
  pointer-events: none;
}
.td-hero > * { position: relative; z-index: 1; }

.td-hero-badge {
  display: inline-flex; align-items: center; gap: 5px;
  background: rgba(255,255,255,.18); border-radius: 100px;
  padding: 3px 12px; font-size: 11.5px; font-weight: 700;
  color: rgba(255,255,255,.95); margin-bottom: 9px;
}
.td-hero-title {
  font-size: clamp(18px, 3vw, 24px); font-weight: 900;
  color: #fff; margin: 0 0 4px; line-height: 1.2;
}
.td-hero-sub { font-size: 13px; color: rgba(255,255,255,.82); font-weight: 600; margin: 0; }

.td-hero-stats {
  display: flex; align-items: center;
  gap: 18px; flex-shrink: 0;
}
.td-stat { text-align: center; }
.td-stat-num { font-size: 26px; font-weight: 900; color: #fff; line-height: 1; }
.td-stat-lbl { font-size: 11px; color: rgba(255,255,255,.75); margin-top: 3px; font-weight: 600; }
.td-stat-div { width: 1px; height: 36px; background: rgba(255,255,255,.22); }

@media (max-width: 540px) {
  .td-hero { flex-direction: column; align-items: flex-start; padding: 20px 18px; }
  .td-hero-stats {
    width: 100%; justify-content: space-around;
    padding-top: 14px; border-top: 1px solid rgba(255,255,255,.2);
  }
  .td-stat-num { font-size: 22px; }
}

/* ═══════════════════════════════════════
   2. KPI ROW
═══════════════════════════════════════ */
.td-kpi-section {}
.td-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.td-kpi-card {
  background: var(--td-card-bg);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius);
  padding: 16px 14px;
  text-align: center;
  box-shadow: var(--td-shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease;
}
.td-kpi-card:hover { transform: translateY(-2px); box-shadow: var(--td-shadow-md); }

.td-kpi-icon { font-size: 22px; margin-bottom: 7px; }
.td-kpi-val  { font-size: 24px; font-weight: 900; line-height: 1; color: var(--td-amber); }
.td-kpi-lbl  { font-size: 11px; color: var(--td-muted); margin-top: 4px; font-weight: 600; }

/* KPI special borders */
.td-kpi-students { border-top: 3px solid var(--td-amber); }
.td-kpi-iep      { border-top: 3px solid #1A5FA5; }
.td-kpi-games    { border-top: 3px solid var(--td-green); }
.td-kpi-messages { border-top: 3px solid #7C3AED; }

.td-kpi-iep .td-kpi-val      { color: #1A5FA5; }
.td-kpi-games .td-kpi-val    { color: var(--td-green); }
.td-kpi-messages .td-kpi-val { color: #7C3AED; }

@media (max-width: 600px) { .td-kpi-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 360px) { .td-kpi-grid { grid-template-columns: 1fr 1fr; gap: 8px; } }

/* ═══════════════════════════════════════
   3. QUICK ACTIONS
═══════════════════════════════════════ */
.td-qa-section {}
.td-section-title {
  font-size: 12px; font-weight: 800; letter-spacing: .6px;
  text-transform: uppercase; color: var(--td-amber);
  margin: 0 0 10px;
}

.td-qa-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}
.td-qa-item {
  display: flex; flex-direction: column;
  align-items: center; gap: 7px;
  padding: 14px 8px;
  background: var(--td-card-bg);
  border: 1.5px solid var(--td-amber-border);
  border-radius: var(--td-radius);
  text-decoration: none;
  color: var(--td-amber);
  font-size: 12px; font-weight: 800;
  text-align: center;
  transition: background .15s ease, transform .15s ease, box-shadow .15s ease;
  box-shadow: var(--td-shadow-sm);
}
.td-qa-item:hover {
  background: var(--td-amber-soft);
  transform: translateY(-2px);
  box-shadow: var(--td-shadow-md);
}
.td-qa-icon { font-size: 22px; }
.td-qa-label { line-height: 1.3; }

body.dark .td-qa-item {
  background: rgba(168,98,16,.08);
  border-color: rgba(168,98,16,.22);
}
body.dark .td-qa-item:hover { background: rgba(168,98,16,.18); }

@media (max-width: 720px) { .td-qa-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 380px) { .td-qa-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; } }

/* ═══════════════════════════════════════
   4. MAIN GRID (Students | IEP | Activity | Alerts)
═══════════════════════════════════════ */
.td-main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--td-gap);
}

/* Cards */
.td-card {
  background: var(--td-card-bg);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius);
  padding: 18px;
  box-shadow: var(--td-shadow-sm);
  transition: box-shadow .18s ease;
  display: flex; flex-direction: column;
}
.td-card:hover { box-shadow: var(--td-shadow-md); }
body.dark .td-card { background: #0E1F1A; border-color: rgba(255,255,255,.08); }

.td-card-header {
  display: flex; align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.td-card-title {
  font-size: 14px; font-weight: 800;
  color: var(--td-heading); margin: 0;
}
body.dark .td-card-title { color: #EAF4EE; }
.td-card-more {
  font-size: 12px; font-weight: 700;
  color: var(--td-amber); text-decoration: none;
  flex-shrink: 0;
}
.td-card-more:hover { text-decoration: underline; }

.td-card-body { flex: 1; }

/* Special card left borders */
.td-card-students  { border-top: 3px solid var(--td-amber); }
.td-card-iep       { border-top: 3px solid #1A5FA5; }
.td-card-activity  { border-top: 3px solid var(--td-green); }
.td-card-alerts    { border-top: 3px solid #7C3AED; }

@media (max-width: 700px) {
  .td-main-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════
   ALERTS
═══════════════════════════════════════ */
.td-alert {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 11px 12px;
  background: var(--td-amber-weak);
  border: 1px solid var(--td-amber-border);
  border-radius: 10px;
  margin-bottom: 8px;
}
.td-alert:last-child { margin-bottom: 0; }
.td-alert-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.td-alert-text { font-size: 13px; font-weight: 600; color: var(--td-text); line-height: 1.5; }
.td-alert-tag {
  display: inline-block; margin-top: 4px;
  font-size: 11px; font-weight: 700;
  color: var(--td-amber);
  background: rgba(168,98,16,.08);
  border-radius: 100px; padding: 2px 8px;
}
body.dark .td-alert { background: rgba(168,98,16,.07); }

/* ═══════════════════════════════════════
   5. CTA BANNER
═══════════════════════════════════════ */
.td-cta-banner {
  background: linear-gradient(135deg, #5C330A 0%, var(--td-amber) 100%);
  border-radius: var(--td-radius);
  padding: 20px 24px;
  display: flex; align-items: center;
  justify-content: space-between; gap: 20px;
  flex-wrap: wrap;
  box-shadow: 0 4px 20px rgba(168,98,16,.2);
}
.td-cta-content { display: flex; align-items: center; gap: 14px; }
.td-cta-icon { font-size: 28px; flex-shrink: 0; }
.td-cta-title {
  font-size: 15px; font-weight: 900; color: #fff;
  margin: 0 0 4px; line-height: 1.2;
}
.td-cta-desc {
  font-size: 13px; color: rgba(255,255,255,.82);
  margin: 0; line-height: 1.5; max-width: 400px;
}
.td-cta-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 22px;
  background: rgba(255,255,255,.2);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.38);
  border-radius: 10px;
  font-size: 14px; font-weight: 800;
  text-decoration: none; white-space: nowrap;
  transition: background .18s ease;
  font-family: 'Tajawal', system-ui, sans-serif;
  flex-shrink: 0;
}
.td-cta-btn:hover { background: rgba(255,255,255,.32); }

@media (max-width: 540px) {
  .td-cta-banner { flex-direction: column; align-items: flex-start; padding: 18px; }
  .td-cta-btn { width: 100%; justify-content: center; }
}

/* ═══════════════════════════════════════
   LOADING STATE
═══════════════════════════════════════ */
.td-loading {
  color: var(--td-muted); font-size: 13px;
  font-weight: 600; padding: 16px 0; text-align: center;
}

/* ═══════════════════════════════════════
   TOAST
═══════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 96px; left: 50%; transform: translateX(-50%);
  background: var(--td-heading); color: #fff;
  padding: 11px 24px; border-radius: 100px;
  font-size: 14px; font-weight: 700;
  z-index: 9999; opacity: 0; pointer-events: none;
  transition: opacity .2s ease;
  box-shadow: 0 6px 24px rgba(0,0,0,.2);
  white-space: nowrap;
  font-family: 'Tajawal', system-ui, sans-serif;
}
.toast.show { opacity: 1; pointer-events: auto; }
body.dark .toast { background: #1A2E26; }

/* ═══════════════════════════════════════
   AI ASSISTANT — same as homepage
═══════════════════════════════════════ */
.tmk-ai-assistant {
  position: fixed !important;
  right: 22px !important; left: auto !important;
  bottom: 24px !important;
  z-index: 2147483000 !important;
  direction: rtl !important;
  font-family: 'Tajawal', system-ui, sans-serif !important;
}
.tmk-ai-toggle {
  display: inline-flex !important; align-items: center !important; gap: 9px !important;
  padding: 11px 20px 11px 16px !important;
  background: var(--td-green) !important; color: #fff !important;
  border: none !important; border-radius: 100px !important;
  font-size: 14px !important; font-weight: 800 !important;
  cursor: pointer !important;
  box-shadow: 0 6px 24px rgba(15,123,95,.38) !important;
  font-family: 'Tajawal', system-ui, sans-serif !important;
  transition: transform .18s ease, box-shadow .18s ease !important;
  white-space: nowrap !important;
}
.tmk-ai-toggle:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 10px 32px rgba(15,123,95,.48) !important;
}
.tmk-ai-icon {
  display: inline-flex !important; width: 24px !important; height: 24px !important;
  border-radius: 50% !important; background: rgba(255,255,255,.22) !important;
  align-items: center !important; justify-content: center !important;
  font-size: 14px !important; flex-shrink: 0 !important;
}
.tmk-ai-panel {
  position: absolute !important;
  right: 0 !important; left: auto !important;
  bottom: 54px !important;
  width: min(360px, calc(100vw - 36px)) !important;
  background: #fff !important;
  border: 1px solid rgba(15,123,95,.15) !important;
  border-radius: 20px !important;
  box-shadow: 0 12px 48px rgba(0,0,0,.14) !important;
  overflow: hidden !important;
}
body.dark .tmk-ai-panel { background: #0E231E !important; border-color: rgba(15,123,95,.25) !important; }

/* ═══════════════════════════════════════
   BACK BUTTON (sub-pages)
═══════════════════════════════════════ */
.sub-page-topbar {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 18px;
  background: rgba(247,250,248,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(168,98,16,.15);
  position: sticky; top: 0; z-index: 600;
  font-family: 'Tajawal', system-ui, sans-serif;
}
body.dark .sub-page-topbar {
  background: rgba(7,22,17,.96);
  border-color: rgba(168,98,16,.2);
}
.back-to-dashboard {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  background: var(--td-amber-weak);
  border: 1.5px solid var(--td-amber-border);
  border-radius: 100px;
  font-size: 13px; font-weight: 800;
  color: var(--td-amber); text-decoration: none;
  font-family: 'Tajawal', system-ui, sans-serif;
  transition: background .15s, border-color .15s;
}
.back-to-dashboard:hover { background: var(--td-amber-soft); }
body.dark .back-to-dashboard { background: rgba(168,98,16,.12); border-color: rgba(168,98,16,.3); color: #F59E0B; }

.sub-page-topbar .page-title {
  flex: 1; font-size: 15px; font-weight: 800; color: var(--td-heading);
}
body.dark .sub-page-topbar .page-title { color: #EAF4EE; }

/* ═══════════════════════════════════════
   GENERAL MOBILE SAFETY
═══════════════════════════════════════ */
@media (max-width: 640px) {
  html, body { overflow-x: hidden; max-width: 100vw; }
  .td-main { padding-top: calc(var(--td-nav-h) + 14px); padding-bottom: 90px; gap: 10px; }
  .td-cta-banner { flex-direction: column; }
}