:root {
  --bg: #f4efe7;
  --panel: rgba(255, 252, 246, 0.9);
  --panel-strong: #fffdf8;
  --text: #1d2a38;
  --muted: #5e6b78;
  --primary: #123c69;
  --primary-soft: #d8e7f7;
  --accent: #e07a3f;
  --accent-soft: #ffe4d4;
  --success: #236a47;
  --danger: #9c2f2f;
  --shadow: 0 18px 48px rgba(18, 60, 105, 0.12);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at top left, rgba(224, 122, 63, 0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(18, 60, 105, 0.18), transparent 34%),
    linear-gradient(180deg, #f9f5ee 0%, var(--bg) 100%);
  color: var(--text);
}

button,
select,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  width: min(1220px, calc(100% - 24px));
  margin: 0 auto;
  padding: 24px 0 36px;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 20px;
  align-items: stretch;
  margin-bottom: 20px;
}

.hero-tools {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
}

.hero-copy,
.hero-card,
.panel,
.overlay-card {
  background: var(--panel);
  border: 1px solid rgba(18, 60, 105, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.language-picker {
  width: min(230px, 100%);
  padding: 12px 14px;
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid rgba(18, 60, 105, 0.1);
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(18, 60, 105, 0.12);
}

.hero-auth-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 76px;
  padding: 12px 14px;
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid rgba(18, 60, 105, 0.1);
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(18, 60, 105, 0.12);
}

.hero-auth-chip.is-signed-in {
  border-color: rgba(35, 106, 71, 0.22);
  background: linear-gradient(180deg, rgba(235, 247, 239, 0.96), rgba(255, 253, 248, 0.96));
}

.hero-auth-copy {
  min-width: 0;
}

.hero-auth-copy strong,
.hero-auth-copy p {
  display: block;
  margin: 0;
}

.hero-auth-copy p {
  margin-top: 4px;
  color: var(--muted);
  word-break: break-word;
}

.language-picker label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.hero-copy {
  padding: 28px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0 0 10px;
}

.build-badge {
  display: inline-block;
  margin: 14px 0 6px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #efe7dc;
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.8rem);
  line-height: 0.95;
}

.hero-text {
  max-width: 56ch;
  font-size: 1.08rem;
  color: var(--muted);
}

.hero-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(155deg, rgba(18, 60, 105, 0.95), rgba(14, 82, 120, 0.92)),
    var(--primary);
  color: #f7fbff;
}

.hero-stat {
  margin: 0 0 12px;
  font-size: 1rem;
}

.hero-stat strong {
  display: block;
  font-size: 1.75rem;
  margin-bottom: 4px;
}

.hero-note {
  margin: 10px 0 0;
  color: rgba(247, 251, 255, 0.78);
}

.layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 20px;
}

.panel {
  padding: 22px;
}

.section-head h2,
.section-head h3,
#session-title {
  margin: 0;
}

.section-head p,
.notice p,
.empty-state p,
#results-subtitle,
.support-card p,
.donation-option p,
.overlay-card p {
  color: var(--muted);
}

.mode-switch {
  margin: 18px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: #efe7dc;
  padding: 6px;
  border-radius: 999px;
}

.mode-tab {
  border: none;
  border-radius: 999px;
  padding: 12px 16px;
  background: transparent;
  color: var(--muted);
}

.mode-tab.active {
  background: var(--panel-strong);
  color: var(--primary);
  box-shadow: 0 6px 18px rgba(18, 60, 105, 0.12);
}

.controls-group {
  display: grid;
  gap: 14px;
}

label span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.95rem;
  color: var(--muted);
}

select,
input[type="text"],
input[type="number"] {
  width: 100%;
  border: 1px solid rgba(18, 60, 105, 0.16);
  background: #fffdf8;
  border-radius: 14px;
  padding: 12px 14px;
}

.primary-btn,
.secondary-btn,
.ghost-btn {
  border: none;
  border-radius: 16px;
  padding: 14px 18px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

.primary-btn:hover,
.secondary-btn:hover,
.ghost-btn:hover,
.overlay-close:hover {
  transform: translateY(-1px);
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent), #c85a1b);
  color: white;
  box-shadow: 0 12px 22px rgba(224, 122, 63, 0.28);
}

.secondary-btn {
  background: var(--primary-soft);
  color: var(--primary);
}

.ghost-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid rgba(18, 60, 105, 0.14);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.notice,
.support-card,
.progress-preview-card {
  margin-top: 18px;
  padding: 16px;
  border-radius: 18px;
}

.notice {
  background: #fff6ed;
  border: 1px solid rgba(224, 122, 63, 0.22);
}

.support-card {
  display: grid;
  gap: 12px;
  background: linear-gradient(180deg, #f4f7fb 0%, #eef4fa 100%);
  border: 1px solid rgba(18, 60, 105, 0.12);
}

.progress-preview-card {
  background: linear-gradient(180deg, #fff8f1 0%, #fffcf7 100%);
  border: 1px solid rgba(18, 60, 105, 0.1);
}

.support-card h3 {
  margin: 0 0 6px;
}

.empty-state {
  min-height: 480px;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 8px;
}

.session-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.session-label {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--accent);
}

.session-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.stat-chip {
  min-width: 98px;
  padding: 10px 12px;
  border-radius: 16px;
  background: #f7f1e8;
  text-align: center;
}

.stat-chip span {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.module-banner {
  margin-bottom: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  background: linear-gradient(90deg, rgba(18, 60, 105, 0.1), rgba(224, 122, 63, 0.1));
  color: var(--primary);
  font-weight: 600;
}

.question-card {
  background: var(--panel-strong);
  border: 1px solid rgba(18, 60, 105, 0.08);
  border-radius: 22px;
  padding: 22px;
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.question-meta span {
  padding: 8px 10px;
  border-radius: 999px;
  background: #f1ece4;
  color: var(--muted);
  font-size: 0.82rem;
}

.passage,
.question-notes {
  background: #f9f4ec;
  border-left: 4px solid var(--primary);
  padding: 16px;
  border-radius: 14px;
  white-space: pre-line;
  line-height: 1.55;
  margin-bottom: 18px;
}

#question-stem {
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.35;
  margin-bottom: 18px;
}

.answers {
  display: grid;
  gap: 12px;
}

.answer-option {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: #fcfaf6;
  border: 1px solid rgba(18, 60, 105, 0.12);
  border-radius: 18px;
  padding: 14px;
}

.answer-option.correct {
  border-color: rgba(35, 106, 71, 0.48);
  background: #ecf8f1;
}

.answer-option.incorrect {
  border-color: rgba(156, 47, 47, 0.35);
  background: #fff1f1;
}

.choice-letter {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-content: center;
  font-weight: bold;
  flex: none;
}

.free-response {
  display: grid;
  gap: 10px;
}

.feedback {
  margin-top: 18px;
  border-radius: 16px;
  padding: 16px;
  line-height: 1.5;
}

.feedback.correct {
  background: #ebf7ef;
  color: var(--success);
}

.feedback.incorrect {
  background: #fff0f0;
  color: var(--danger);
}

.feedback-details {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
}

.feedback-details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--primary);
}

.feedback-details p,
.feedback-details li {
  color: var(--text);
}

.session-actions,
.results-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 18px 0 22px;
}

.result-card,
.breakdown-card,
.exam-summary,
.donation-option {
  background: #fcfaf6;
  border: 1px solid rgba(18, 60, 105, 0.09);
  border-radius: 18px;
  padding: 16px;
}

.result-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1.8rem;
}

#domain-breakdown-list {
  display: grid;
  gap: 10px;
}

.breakdown-card {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.breakdown-card strong {
  color: var(--primary);
}

.overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(10, 22, 35, 0.58);
  z-index: 30;
}

.overlay-card {
  position: relative;
  width: min(880px, 100%);
  max-height: min(88vh, 920px);
  overflow: auto;
  padding: 26px;
  background: #fffdf8;
}

.overlay-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: #f1ece4;
  color: var(--primary);
  font-size: 1.3rem;
  line-height: 1;
}

#close-progress,
#close-sat-plus {
  color: transparent;
  position: absolute;
}

#close-progress::before,
#close-sat-plus::before {
  content: "\00D7";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--primary);
  font-size: 1.3rem;
}

.donation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.placeholder-box {
  display: grid;
  place-content: center;
  min-height: 118px;
  border: 2px dashed rgba(18, 60, 105, 0.18);
  border-radius: 18px;
  background: linear-gradient(180deg, #f7f2ea 0%, #fdfbf7 100%);
  color: var(--primary);
  font-weight: 700;
}

.bank-details {
  margin-top: 12px;
  padding: 14px;
  border-radius: 16px;
  background: #f7f2ea;
  border: 1px solid rgba(18, 60, 105, 0.1);
  line-height: 1.55;
}

.bank-details strong {
  color: var(--primary);
}

.account-card,
.weekly-panel {
  margin-top: 18px;
  padding: 18px;
  border-radius: 18px;
  background: #fff8f1;
  border: 1px solid rgba(18, 60, 105, 0.1);
}

.auth-stack,
.auth-form,
.auth-form-actions,
.auth-actions,
.progress-snapshot,
.dashboard-tabs,
.progress-grid,
.progress-preview-grid {
  display: grid;
  gap: 12px;
}

.auth-form-actions,
.auth-actions,
.progress-snapshot,
.progress-grid,
.progress-preview-grid {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

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

.inline-message {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.error-text {
  color: var(--danger);
}

.profile-row,
.list-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.profile-copy {
  margin: 4px 0 0;
  color: var(--muted);
  word-break: break-word;
}

.avatar-badge,
.hero-auth-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), #0f5f7d);
  color: #fff;
  font-weight: 700;
}

.hero-auth-avatar {
  flex: none;
}

.avatar-photo {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.snapshot-card,
.list-card {
  padding: 14px 16px;
  border-radius: 16px;
  background: #fffdf9;
  border: 1px solid rgba(18, 60, 105, 0.08);
}

.snapshot-card span,
.list-card p,
.list-card span {
  color: var(--muted);
}

.snapshot-card strong,
.list-card strong {
  display: block;
  margin-top: 6px;
}

.overlay-wide {
  width: min(960px, calc(100% - 24px));
}

.stack-list {
  display: grid;
  gap: 12px;
}

.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.admin-analytics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.admin-kpi-grid {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  margin-top: 16px;
}

.admin-percentile-grid {
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
}

.admin-subcopy {
  margin: 4px 0 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

#admin-live-status {
  font-size: 0.9rem;
  align-self: center;
  color: var(--muted);
}

.admin-bar-row {
  display: grid;
  gap: 8px;
}

.admin-bar-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.admin-bar-meta strong {
  margin: 0;
}

.admin-user-subcopy {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.9rem;
}

.bar-meter {
  height: 10px;
  margin: 10px 0;
  background: #ece3d6;
  border-radius: 999px;
  overflow: hidden;
}

.bar-meter span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #c85a1b);
}

.list-card p {
  margin: 6px 0 0;
}

.muted-card {
  background: #f8f3ec;
}

.feedback-details h4 {
  margin: 14px 0 8px;
  color: var(--primary);
  font-size: 0.95rem;
}

.feedback-details ul,
.feedback-details ol {
  margin: 8px 0 0 18px;
  padding: 0;
}

.feedback-details li + li {
  margin-top: 6px;
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .hero,
  .layout,
  .donation-grid,
  .admin-analytics-grid {
    grid-template-columns: 1fr;
  }

  .hero-tools {
    grid-template-columns: 1fr;
  }

  .session-header {
    flex-direction: column;
  }

  .session-stats {
    justify-content: flex-start;
  }

  .results-grid,
  .progress-grid,
  .progress-preview-grid,
  .progress-snapshot,
  .auth-actions,
  .auth-form-actions {
    grid-template-columns: 1fr 1fr;
  }

  .language-picker {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: min(100% - 16px, 100%);
    padding-top: 16px;
  }

  .hero-copy,
  .hero-card,
  .panel,
  .question-card,
  .overlay-card {
    padding: 18px;
    border-radius: 20px;
  }

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

  .session-actions,
  .results-actions,
  .auth-actions,
  .auth-form-actions {
    flex-direction: column;
  }

  .primary-btn,
  .secondary-btn,
  .ghost-btn {
    width: 100%;
  }

  .progress-grid,
  .progress-preview-grid,
  .progress-snapshot,
  .auth-actions,
  .auth-form-actions,
  .dashboard-tabs {
    grid-template-columns: 1fr;
  }
}