/* ============================================================
   SAC Course Feedback System — Custom Styles
   VIT-AP University Branding
   ============================================================ */

:root {
  --sac-primary:      #8B0000;
  --sac-primary-dark: #5c0000;
  --sac-primary-rgb:  139, 0, 0;
  --sac-accent:       #f4c430;
  --sac-bg:           #f0f2f5;
  --sac-card-shadow:  0 2px 12px rgba(0,0,0,0.08);
}

/* ---- Base ---- */
body {
  background: var(--sac-bg);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: #212529;
}

/* ---- Utility ---- */
.text-vitap  { color: var(--sac-primary) !important; }
.btn-vitap   {
  background: var(--sac-primary);
  border-color: var(--sac-primary);
  color: #fff;
}
.btn-vitap:hover, .btn-vitap:focus {
  background: var(--sac-primary-dark);
  border-color: var(--sac-primary-dark);
  color: #fff;
}

/* ---- Navbar ---- */
.sac-navbar {
  background: var(--sac-primary) !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.sac-navbar .navbar-brand span { letter-spacing: 0.02em; }
.sac-navbar .nav-link.active   { color: var(--sac-accent) !important; font-weight: 600; }
.sac-navbar .nav-link          { color: rgba(255,255,255,0.88) !important; }
.sac-navbar .nav-link:hover    { color: #fff !important; }

/* ---- Cards ---- */
.sac-card {
  border: none;
  border-radius: 10px;
  box-shadow: var(--sac-card-shadow);
}
.sac-card-header {
  background: var(--sac-primary);
  color: #fff;
  border-radius: 10px 10px 0 0 !important;
  font-weight: 600;
  padding: 12px 18px;
}
.sac-card-header-light {
  background: #f8f9fa;
  color: var(--sac-primary);
  font-weight: 600;
  border-bottom: 2px solid rgba(var(--sac-primary-rgb), 0.15);
  padding: 10px 16px;
}
.text-white-75 { color: rgba(255,255,255,0.75); }

/* ---- Tables ---- */
.table-vitap-light th {
  background: rgba(var(--sac-primary-rgb), 0.07);
  color: var(--sac-primary);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.sac-form-table td { vertical-align: middle; padding: 10px 14px; }
.sac-form-table td:first-child { font-size: 0.92rem; }

/* ---- KPI Cards ---- */
.kpi-card {
  background: #fff;
  border-radius: 10px;
  box-shadow: var(--sac-card-shadow);
  padding: 18px 16px;
  text-align: center;
  transition: transform 0.15s;
}
.kpi-card:hover { transform: translateY(-2px); }
.kpi-icon { font-size: 1.8rem; margin-bottom: 6px; }
.kpi-num  { font-size: 2rem; font-weight: 700; color: #212529; line-height: 1; }
.kpi-label{ font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em;
            color: #6c757d; margin-top: 4px; }

/* ---- Stat Cards (Faculty Submissions) ---- */
.stat-card {
  border-radius: 10px;
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--sac-card-shadow);
}
.stat-num   { font-size: 2.2rem; font-weight: 700; }
.stat-label { font-size: 0.82rem; opacity: 0.85; }

/* ---- Detail Labels (View Report) ---- */
.detail-label { font-size: 0.78rem; text-transform: uppercase;
                letter-spacing: 0.04em; color: #6c757d; }
.detail-val   { font-size: 0.95rem; }

/* ---- Footer ---- */
.sac-footer {
  padding: 14px 0;
  border-top: 1px solid #dee2e6;
  background: #fff;
}

/* ---- Login Page ---- */
.login-bg {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--sac-primary-dark) 0%, var(--sac-primary) 50%, #b30000 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-wrapper  { width: 100%; max-width: 420px; padding: 16px; }
.login-card     { border-radius: 16px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.35); }
.login-header   {
  background: rgba(0,0,0,0.25);
  color: #fff;
  padding: 28px 24px 18px;
}
.login-logo     { max-height: 64px; }
.login-body     { background: #fff; }

/* ---- Live Badge ---- */
.live-badge   { font-size: 0.7rem; padding: 4px 8px; }
.blink        { animation: blink-anim 1.2s infinite; }
@keyframes blink-anim { 0%,100%{opacity:1} 50%{opacity:0.2} }

/* ---- Auto-save status ---- */
#autoSaveStatus { font-size: 0.85rem; }

/* ---- Form radio groups ---- */
.form-check-inline .form-check-input { margin-top: 0; }
.form-check-inline + .form-check-inline { margin-left: 12px; }

/* ---- Purple helper (programme chart) ---- */
.text-purple { color: #6f42c1; }

/* ---- CSV Drop Zone ---- */
.csv-drop-zone {
  border: 2px dashed #ced4da;
  border-radius: 10px;
  padding: 32px 16px;
  text-align: center;
  background: #fafbfc;
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
}
.csv-drop-zone:hover,
.csv-drop-zone.drag-over {
  border-color: var(--sac-primary);
  background: rgba(var(--sac-primary-rgb), 0.04);
}

/* ---- Course check card (assign page) ---- */
.course-check-card {
  border: 1px solid #dee2e6;
  border-radius: 8px;
  padding: 10px 12px;
  transition: border-color 0.15s, background 0.15s;
  background: #fff;
}
.course-check-card.checked {
  border-color: var(--sac-primary);
  background: rgba(var(--sac-primary-rgb), 0.05);
}
.course-check-card:hover {
  border-color: #adb5bd;
}

/* ---- Faculty list item (assign page) ---- */
.faculty-item:hover    { background: #f8f9fa; }
.faculty-item.faculty-active {
  background: rgba(var(--sac-primary-rgb), 0.08);
  border-left: 3px solid var(--sac-primary);
}

/* ---- Assigned-faculty tags inside course tiles ---- */
.faculty-tags { display: flex; flex-wrap: wrap; gap: 4px; }

.assigned-faculty-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.7rem;
  color: #5a3e00;
  white-space: nowrap;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}
.assigned-faculty-tag .emp  { font-weight: 700; }
.assigned-faculty-tag .fname{ color: #7a5500; }

/* Tile border accent when other faculty are already assigned */
.course-check-card.has-others {
  border-color: #ffc107;
}

/* ---- Responsive adjustments ---- */
@media (max-width: 576px) {
  .kpi-num  { font-size: 1.5rem; }
  .kpi-icon { font-size: 1.4rem; }
}