/* RESET SEDERHANA */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f3f0ff;
  --bg-card: #ffffff;
  --primary: #6d28d9;      /* ungu utama */
  --primary-dark: #5b21b6;
  --primary-soft: #ede9fe;
  --text-main: #0f172a;
  --text-muted: #6b7280;
  --border-soft: #e5e7eb;
  --shadow-soft: 0 10px 25px rgba(15, 23, 42, 0.08);
  --radius-lg: 16px;
  --radius-full: 999px;
}

html, body {
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #f5f3ff, #eef2ff, #f9fafb);
  color: var(--text-main);
}

/* LAYOUT UTAMA */
.page-wrapper {
  min-height: 100vh;
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* TOPBAR / HEADER SEKOLAH */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(90deg, var(--primary), #8b5cf6);
  color: #f9fafb;
  border-radius: 18px;
  padding: 12px 18px;
  box-shadow: var(--shadow-soft);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #f9fafb;
  background: #f9fafb;
}

.brand-text h1 {
  font-size: 1.2rem;
  font-weight: 700;
}

.brand-text p {
  font-size: 0.8rem;
  opacity: 0.9;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(249, 250, 251, 0.16);
  border: 1px solid rgba(249, 250, 251, 0.35);
  font-size: 0.8rem;
}

/* UNTUK UJIAN */
.exam-topbar-right {
  gap: 16px;
}

.exam-timer {
  text-align: right;
  font-size: 0.85rem;
}

.exam-timer span {
  display: block;
  opacity: 0.9;
}

.exam-timer strong {
  font-size: 1.2rem;
}

.exam-progress {
  min-width: 180px;
}

/* MAIN CONTENT */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* KARTU UMUM */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 18px 20px;
}

/* CARD MINI (UNTUK SIDEBAR) */
.card-mini {
  background: #f9fafb;
  border-radius: 14px;
  border: 1px solid #e5e7eb;
  padding: 12px 14px;
}

/* HERO SECTION (INDEX) */
.hero-card {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 16px;
}

.hero-text h2 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.hero-text p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* MARQUEE */
.marquee-container {
  overflow: hidden;
  border-radius: var(--radius-full);
  background: #312e81;
  border: 1px solid rgba(129, 140, 248, 0.6);
}

.marquee {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 0;
  font-size: 0.86rem;
  font-weight: 600;
  color: #e5e7eb;
  animation: marquee 18s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* FORM KARTU */
.form-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
}

.form-group input,
.form-group select {
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid #d4d4ff;
  font-size: 0.9rem;
  background: #f9fafb;
  transition: border 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(109, 40, 217, 0.4);
  background: #ffffff;
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

/* BUTTONS */
.btn-primary,
.btn-secondary {
  border: none;
  border-radius: var(--radius-full);
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: var(--primary);
  color: #f9fafb;
  box-shadow: 0 6px 18px rgba(109, 40, 217, 0.35);
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(88, 28, 135, 0.45);
}

.btn-secondary {
  background: #eef2ff;
  color: #312e81;
  border: 1px solid #c7d2fe;
}

.btn-secondary:hover {
  background: #e0e7ff;
}

.btn-primary:disabled,
.btn-secondary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

/* TEXT KECIL */
.note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.note.small {
  font-size: 0.75rem;
}

/* FOOTER */
.footer {
  padding: 8px 4px 12px;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
}

/* =========================
   HALAMAN UJIAN
   ========================= */

.exam-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.exam-header {
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: 8px;
  margin-bottom: 8px;
}

.student-info {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.exam-instruction {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* LOADING */
.loading {
  padding: 20px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* KONTEN UJIAN: GRID QUESTION + SIDEBAR */
#exam-content {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 1.4fr);
  gap: 12px;
}

.hidden {
  display: none;
}

/* QUESTION AREA */
.question-area {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.question-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.question-number {
  font-size: 0.9rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--primary-soft);
  color: #4c1d95;
}

.question-text {
  padding: 10px 12px;
  border-radius: 12px;
  background: #f9fafb;
  line-height: 1.4;
  font-size: 0.9rem;
}

/* OPTIONS */
.options-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.option-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  cursor: pointer;
  background: #ffffff;
  transition: background 0.1s ease, border-color 0.1s ease, box-shadow 0.1s ease;
}

.option-item:hover {
  background: #f5f3ff;
  border-color: #c4b5fd;
  box-shadow: 0 2px 8px rgba(148, 163, 184, 0.2);
}

.option-item input[type="radio"] {
  margin-top: 3px;
}

.option-label-letter {
  font-weight: 700;
  min-width: 20px;
}

/* NAVIGATION BUTTONS */
.exam-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

/* SIDEBAR QUESTION GRID */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.question-overview h4 {
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.question-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}

.question-grid button {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  border: none;
  font-size: 0.8rem;
  cursor: pointer;
  background: #e5e7eb;
  color: #111827;
  transition: background 0.1s ease, transform 0.1s ease;
}

.question-grid button.current {
  border: 2px solid #4c1d95;
}

.question-grid button.answered {
  background: var(--primary);
  color: #f9fafb;
}

.question-grid button:hover {
  transform: translateY(-1px);
}

/* PROGRESS BAR */
.progress-label {
  font-size: 0.75rem;
  color: #e5e7eb;
  margin-bottom: 4px;
}

.progress-bar {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(129, 140, 248, 0.5);
  overflow: hidden;
}

#progress-bar-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: #facc15;
  transition: width 0.2s ease;
}

/* MESSAGE AREA */
.message-area {
  margin-top: 6px;
  font-size: 0.8rem;
  min-height: 16px;
}

.message-area.success {
  color: #15803d;
}

.message-area.error {
  color: #b91c1c;
}

/* =========================
   MODAL RINGKASAN
   ========================= */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal-box {
  background: #ffffff;
  border-radius: 18px;
  max-width: 400px;
  width: 90%;
  padding: 16px 18px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.35);
}

.modal-box h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.summary-info {
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.summary-unanswered {
  font-size: 0.85rem;
  color: #b91c1c;
  margin-bottom: 12px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.modal-backdrop.hidden {
  display: none;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .hero-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  #exam-content {
    grid-template-columns: minmax(0, 1fr);
  }

  .exam-topbar-right {
    align-self: stretch;
    justify-content: space-between;
    width: 100%;
  }

  .exam-timer {
    text-align: left;
  }
}