@import url('https://fonts.googleapis.com/css2?family=Bungee:wght@400&family=Fira+Code:wght@400;600&family=Plus+Jakarta+Sans:wght@400;500;700;800&display=swap');

:root {
  --bg: #f7fdf8;
  --bg-2: #e8f7ec;
  --ink: #1e2a39;
  --ink-soft: #46586f;
  --line: #c7ddcd;
  --card: #ffffff;
  --mint: #18a06c;
  --mint-dark: #0e7f53;
  --orange: #ff8b2d;
  --blue: #2f6cf7;
  --shadow: 0 8px 28px rgba(24, 60, 36, 0.12);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 0%, #f9ffe8 0%, var(--bg) 36%, #e6f4ff 100%);
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.4;
  background-image:
    linear-gradient(to right, rgba(24, 160, 108, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(24, 160, 108, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  z-index: -1;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.2;
}

p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

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

.site-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 20px 0;
  display: grid;
  gap: 10px;
}

.brand-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.brand-link {
  font-family: 'Bungee', sans-serif;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: 0.02em;
  font-size: clamp(26px, 4vw, 38px);
}

.brand-tag {
  font-size: 14px;
}

.main-nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.main-nav a {
  text-decoration: none;
  color: var(--ink);
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.main-nav a:hover {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.8);
}

.auth-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.shell {
  max-width: 1200px;
  margin: 14px auto 40px;
  padding: 0 20px;
  display: grid;
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.page {
  animation: floatIn 220ms ease;
}

@keyframes floatIn {
  from {
    transform: translateY(8px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.eyebrow {
  font-family: 'Fira Code', monospace;
  text-transform: uppercase;
  color: var(--mint-dark);
  letter-spacing: 0.08em;
  font-size: 12px;
  margin-bottom: 8px;
}

h1 {
  font-size: clamp(28px, 5vw, 52px);
  margin-bottom: 14px;
}

h2 {
  font-size: clamp(24px, 3.4vw, 36px);
  margin-bottom: 10px;
}

h3 {
  font-size: clamp(20px, 2.6vw, 28px);
}

h4 {
  font-size: 16px;
  margin-bottom: 10px;
}

.pill-row {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pill {
  font-family: 'Fira Code', monospace;
  font-size: 12px;
  border-radius: 999px;
  padding: 6px 10px;
  border: 1px solid #b5d4c0;
  background: #effcf4;
  color: #116440;
}

.home-cta-row {
  margin-top: 18px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.cta,
button {
  border: 0;
  border-radius: 12px;
  background: var(--mint);
  color: white;
  font-weight: 700;
  padding: 10px 16px;
  cursor: pointer;
  text-decoration: none;
}

.cta {
  background: linear-gradient(135deg, var(--mint), var(--blue));
}

button.alt,
.btn-link {
  background: #edf2ff;
  color: var(--ink);
}

button:hover,
.cta:hover {
  filter: brightness(0.95);
}

.ghost-link {
  font-size: 14px;
}

.row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.between {
  justify-content: space-between;
}

.wrap {
  flex-wrap: wrap;
}

.stack {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
}

input,
select {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
}

input:focus,
select:focus {
  outline: 2px solid rgba(47, 108, 247, 0.3);
}

.muted {
  color: #607184;
  font-size: 13px;
}

.hidden {
  display: none;
}

.dashboard-columns {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.session-list {
  display: grid;
  gap: 8px;
}

.session-list:empty::after {
  content: 'No sessions yet.';
  color: #607184;
}

.session-row {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.session-meta {
  display: grid;
  gap: 4px;
}

.session-top {
  display: flex;
  gap: 8px;
  align-items: baseline;
}

.session-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #607184;
}

.progress-bar-bg {
  width: 72px;
  height: 7px;
  border-radius: 999px;
  background: #dce8df;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--mint), var(--orange));
}

.exam-header {
  margin-bottom: 10px;
}

#overallTimer {
  border-radius: 999px;
  padding: 8px 12px;
  background: #f0fff5;
  border: 1px solid #bde0cb;
  font-family: 'Fira Code', monospace;
  color: #0f6e4a;
  font-weight: 700;
}

.question-body {
  display: grid;
  gap: 10px;
  font-size: 17px;
}

.question-stem {
  white-space: pre-wrap;
}

.question-image {
  max-width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.code-block {
  margin: 0;
  background: #f6fbff;
  border: 1px solid #dae7f7;
  border-radius: 10px;
  padding: 10px;
  overflow: auto;
}

.code-block code {
  font-family: 'Fira Code', monospace;
  font-size: 14px;
}

.option-card {
  margin-top: 14px;
}

.options-list {
  display: grid;
  gap: 8px;
}

.option-item {
  position: relative;
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: start;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
}

.option-item.selected {
  border-color: #9fc5ff;
  background: #f3f8ff;
}

.option-item input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.option-label {
  font-family: 'Fira Code', monospace;
}

.nav-bottom {
  margin-top: 16px;
}

.summary-stats {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}

.stat-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
  background: #f9fdfc;
}

.stat-value {
  display: block;
  font-weight: 800;
  font-size: 22px;
  color: var(--ink);
}

.stat-label {
  font-size: 12px;
  color: #607184;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.timing-table {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.timing-row {
  display: grid;
  grid-template-columns: 40px 36px 1fr 56px;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.timing-bar-bg {
  height: 7px;
  border-radius: 999px;
  background: #dce8df;
  overflow: hidden;
}

.timing-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--orange), var(--mint));
}

.legal-page h3 {
  margin-top: 14px;
  margin-bottom: 4px;
}

.auth-dialog {
  border: none;
  border-radius: 18px;
  padding: 0;
  width: min(560px, 96vw);
}

.auth-dialog::backdrop {
  background: rgba(15, 26, 35, 0.4);
}

.auth-panel {
  margin: 0;
  padding: 20px;
  display: grid;
  gap: 10px;
}

#authCodeInput {
  max-width: 140px;
}

@media (max-width: 900px) {
  .shell,
  .site-header {
    padding-left: 12px;
    padding-right: 12px;
  }

  .card {
    padding: 16px;
  }

  .dashboard-columns {
    grid-template-columns: 1fr;
  }

  .session-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .session-row > button {
    width: 100%;
  }

  .timing-row {
    grid-template-columns: 34px 30px 1fr 52px;
  }
}