/* =========================================================
   Quiz Maker — Main Stylesheet
   Palette: deep royal blue + gold accent, clean school look
   ========================================================= */

:root {
  --qm-navy: #0f2557;
  --qm-navy-dark: #0a1a3d;
  --qm-blue: #1d4ed8;
  --qm-gold: #c9a227;
  --qm-bg: #f4f6fb;
  --qm-card-border: #e5e9f2;
  --qm-success: #1e8e5a;
  --qm-danger: #c0392b;
}

body {
  background: var(--qm-bg);
  font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1f2937;
}

a { color: var(--qm-blue); }

/* ---------- Landing / Login ---------- */
.landing-body {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--qm-navy) 0%, var(--qm-navy-dark) 100%);
}
.landing-card {
  border: none;
  border-radius: 16px;
}
.landing-card h1 {
  color: var(--qm-navy);
}
.landing-body .btn-primary {
  background-color: var(--qm-navy);
  border-color: var(--qm-navy);
}
.landing-body .btn-primary:hover {
  background-color: var(--qm-blue);
  border-color: var(--qm-blue);
}

/* ---------- Admin layout ---------- */
.admin-body { background: var(--qm-bg); }

.admin-topbar {
  background: var(--qm-navy);
  padding-top: .65rem;
  padding-bottom: .65rem;
}

.admin-layout {
  display: flex;
  min-height: calc(100vh - 56px);
}

.admin-sidebar {
  width: 220px;
  background: #fff;
  border-right: 1px solid var(--qm-card-border);
  flex-shrink: 0;
}

.admin-sidebar .nav-link {
  color: #374151;
  padding: .6rem 1.25rem;
  border-left: 3px solid transparent;
  font-size: .95rem;
}
.admin-sidebar .nav-link:hover {
  background: #eef2fb;
}
.admin-sidebar .nav-link.active {
  color: var(--qm-navy);
  font-weight: 600;
  border-left-color: var(--qm-gold);
  background: #eef2fb;
}

.admin-content {
  flex: 1;
  min-width: 0;
}

@media (max-width: 767.98px) {
  .admin-sidebar {
    position: fixed;
    top: 56px;
    left: -240px;
    bottom: 0;
    z-index: 1030;
    transition: left .2s ease-in-out;
    overflow-y: auto;
  }
  .admin-sidebar.show { left: 0; }
}

/* ---------- Cards / stats ---------- */
.card {
  border: 1px solid var(--qm-card-border);
  border-radius: 12px;
}
.card-header {
  background: #fff;
  border-bottom: 1px solid var(--qm-card-border);
}

.stat-card {
  border-left: 4px solid var(--qm-navy);
}
.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--qm-navy);
  line-height: 1;
}
.stat-label {
  color: #6b7280;
  font-size: .85rem;
  margin-top: .25rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}

/* ---------- Status badges ---------- */
.badge.status-draft     { background: #9ca3af; color: #fff; }
.badge.status-published { background: var(--qm-success); color: #fff; }
.badge.status-archived  { background: #6b7280; color: #fff; }

/* ---------- Question option rows (admin view) ---------- */
.option-row {
  padding: .3rem .6rem;
  border-radius: 6px;
  margin-bottom: .15rem;
}
.option-correct {
  background: #eafaf1;
  color: var(--qm-success);
  font-weight: 600;
}

/* ---------- Student portal ---------- */
.student-body { background: var(--qm-bg); }
.student-topbar { background: var(--qm-navy); }
.student-container { max-width: 900px; }

.quiz-timer {
  font-family: 'Courier New', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--qm-navy);
  color: #fff;
  padding: .3rem .9rem;
  border-radius: 8px;
  min-width: 90px;
  text-align: center;
}

.quiz-option {
  border: 1px solid var(--qm-card-border);
  border-radius: 8px;
  padding: .7rem 1rem .7rem 2.4rem;
  transition: background .15s ease, border-color .15s ease;
}
.quiz-option:hover {
  background: #eef2fb;
  border-color: var(--qm-blue);
  cursor: pointer;
}
.quiz-option .form-check-input:checked ~ .form-check-label {
  font-weight: 600;
  color: var(--qm-navy);
}

.question-card { border-radius: 14px; }

.progress-bar {
  background-color: var(--qm-gold);
}

/* ---------- Result page ---------- */
.result-icon { font-size: 3rem; line-height: 1; }

.score-circle {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 8px solid;
}
.score-pass { border-color: var(--qm-success); color: var(--qm-success); }
.score-fail { border-color: var(--qm-danger); color: var(--qm-danger); }

/* ---------- Footer credit (configurable) ---------- */
.qm-footer-credit {
  text-align: center;
  color: #9ca3af;
  font-size: .8rem;
  padding: 1rem 0;
}

/* =========================================================
   Added: interactivity, palette, permissions UI, footer link
   ========================================================= */

.qm-footer-credit a { color: #9ca3af; text-decoration: underline; }
.qm-footer-credit a:hover { color: var(--qm-blue); }

/* ---------- Question palette (student quiz-taking) ---------- */
.question-palette {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.palette-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--qm-card-border);
  background: #fff;
  color: #374151;
  font-weight: 600;
  font-size: .85rem;
  transition: all .15s ease;
}
.palette-btn:hover { border-color: var(--qm-blue); }
.palette-btn.answered {
  background: #eafaf1;
  border-color: var(--qm-success);
  color: var(--qm-success);
}
.palette-btn.flagged {
  box-shadow: 0 0 0 2px var(--qm-gold) inset;
}
.palette-btn.current {
  background: var(--qm-navy);
  border-color: var(--qm-navy);
  color: #fff;
}

.flag-toggle {
  cursor: pointer;
  color: #6b7280;
  user-select: none;
}
.flag-toggle input { margin-right: .25rem; }

/* Pulsing timer when time is almost up */
.quiz-timer.pulse {
  animation: qm-pulse 1s infinite;
}
@keyframes qm-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(192, 57, 43, .55); }
  70%  { box-shadow: 0 0 0 10px rgba(192, 57, 43, 0); }
  100% { box-shadow: 0 0 0 0 rgba(192, 57, 43, 0); }
}

/* ---------- Student quiz picker cards ---------- */
.quiz-picker {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.quiz-picker-option {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--qm-card-border);
  border-radius: 10px;
  padding: .7rem 1rem .7rem 2.6rem;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.quiz-picker-option:hover { background: #eef2fb; }
.quiz-picker-option.selected {
  border-color: var(--qm-blue);
  background: #eef2fb;
}
.quiz-picker-option input[type="radio"] {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
}
.quiz-picker-title { font-weight: 600; color: var(--qm-navy); }
.quiz-picker-meta { font-size: .8rem; color: #6b7280; }

/* ---------- Users & Permissions screen ---------- */
.form-check.disabled,
.form-check-input:disabled ~ .form-check-label { opacity: .55; }

/* ---------- Print (student result) ---------- */
@media print {
  .student-topbar, .qm-footer-credit, .d-print-none { display: none !important; }
  body { background: #fff; }
}

/* ---------- Multi-class quiz assignment checkboxes ---------- */
.class-checkbox-list {
  max-height: 220px;
  overflow-y: auto;
  background: #fafbfc;
}
.class-checkbox-list .form-check {
  padding-top: .15rem;
  padding-bottom: .15rem;
}