:root {
  --bg: #f7f4ef;
  --surface: #ffffff;
  --s1: #f0ede7;
  --s2: #e6e1d9;
  --bd: #ddd8cf;
  --navy: #253350;
  --navy-l: #ebf0f9;
  --navy-b: #c8d7f0;
  --amber: #96600f;
  --amber-l: #fdf5e8;
  --amber-b: #f5d8a8;
  --t1: #17130e;
  --t2: #6b5e52;
  --t3: #b0a08f;
  --grn: #1e6641;
  --grn-l: #edfaf2;
  --grn-b: #a7e8c5;
  --red: #b83232;
  --red-l: #fef2f2;
  --red-b: #f5c0c0;
  --r: 10px;
  --rl: 14px;
  --sh: 0 1px 4px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.04);
  --sh-h: 0 8px 24px rgba(0, 0, 0, 0.09), 0 0 0 1px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  font-family: "Outfit", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--t1);
  line-height: 1.6;
}

.page {
  min-height: 100vh;
}

.container {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav {
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(37, 51, 80, 0.08);
  background: linear-gradient(180deg, rgba(247, 244, 239, 0.96), rgba(247, 244, 239, 0.88));
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 30;
  padding: 0 2.4rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--t2);
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.16s;
}

.nav-link:hover {
  background: var(--s1);
  color: var(--t1);
}

.nav-link.active {
  color: var(--navy);
  background: var(--navy-l);
  border-color: var(--navy-b);
  font-weight: 600;
}

.nav-link.disabled {
  pointer-events: none;
  cursor: default;
  opacity: 0.6;
}

.nav-brand-name {
  font-family: "Lora", Georgia, serif;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: var(--navy);
  box-shadow: 0 6px 12px rgba(37, 51, 80, 0.15);
}

.logo-mark svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: #fff;
  stroke-width: 2;
  stroke-linecap: round;
}

.nav-r { display: flex; align-items: center; gap: 8px; }

.nav-user {
  font-size: 12px;
  font-weight: 600;
  color: var(--navy);
  border: 1px solid var(--navy-b);
  background: var(--navy-l);
  border-radius: 999px;
  padding: 5px 10px;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .nav { padding: 0 1rem; height: 58px; }
  .logo-mark { width: 28px; height: 28px; border-radius: 8px; }
  .logo-mark svg { width: 15px; height: 15px; }
  .nav-brand-name { font-size: 18px; }
  .nav-r { gap: 6px; }
  .nav-menu {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    gap: 4px;
    padding-bottom: 2px;
    scrollbar-width: thin;
  }
  .nav-link {
    flex: 0 0 auto;
    font-size: 12px;
    padding: 5px 8px;
  }
}

.btn {
  border: none;
  border-radius: var(--r);
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.16s;
  font-family: inherit;
}

.btn.sm { padding: 7px 14px; font-size: 13px; border-radius: 8px; }
.btn.primary { background: var(--navy); color: #fff; }
.btn.primary:hover { background: #1c2840; transform: translateY(-1px); }
.btn.ghost { background: var(--surface); border: 1px solid var(--bd); color: var(--t1); }
.btn.ghost:hover { background: var(--s1); }
.btn.block { width: 100%; }
.btn:disabled { background: var(--s2); color: var(--t3); cursor: not-allowed; transform: none; }

/* Index-style button aliases for cross-page navbar consistency. */
.btn.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 8px; }
.btn.btn-navy { background: var(--navy); color: #fff; }
.btn.btn-navy:hover { background: #1c2840; transform: translateY(-1px); }
.btn.btn-out { background: var(--surface); border: 1px solid var(--bd); color: var(--t1); }
.btn.btn-out:hover { background: var(--s1); }

.hero {
  padding: 60px 0 42px;
  display: grid;
  gap: 34px;
  grid-template-columns: 1.08fr 1fr;
  align-items: center;
}

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; }
}

.hero-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  color: var(--navy);
  background: var(--navy-l);
  border: 1px solid var(--navy-b);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 14px;
}

.hero h1 {
  font-family: "Lora", Georgia, serif;
  font-size: clamp(32px, 4.6vw, 50px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.hero h1 em { font-style: normal; color: var(--navy); }
.hero p { color: var(--t2); font-size: 15px; margin-bottom: 18px; }

.row { display: flex; gap: 10px; flex-wrap: wrap; }

.card {
  background: var(--surface);
  border: 1px solid var(--bd);
  border-radius: var(--rl);
  box-shadow: var(--sh);
}

.preview-head {
  background: var(--navy);
  color: #fff;
  border-radius: 14px 14px 0 0;
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}

.preview-body { padding: 16px; }
.muted { color: var(--t3); }

.stats {
  border-top: 1px solid var(--bd);
  border-bottom: 1px solid var(--bd);
  background: var(--surface);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 760px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat {
  text-align: center;
  padding: 20px 10px;
  border-right: 1px solid var(--bd);
}

.stat:last-child { border-right: none; }

@media (max-width: 760px) {
  .stat:nth-child(2n) { border-right: none; }
}

.stat-num {
  font-family: "Lora", Georgia, serif;
  font-size: 28px;
  line-height: 1;
}

.stat-label { color: var(--t3); font-size: 13px; margin-top: 4px; }

.section { padding: 38px 0; }
.section h2 {
  font-family: "Lora", Georgia, serif;
  font-size: clamp(22px, 3vw, 30px);
  margin-bottom: 8px;
}
.section p.sub { color: var(--t2); margin-bottom: 14px; }

.sec-tag {
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 4px;
}

.cert-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 920px) {
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .cert-grid { grid-template-columns: 1fr; }
}

.cert-card {
  background: var(--surface);
  border: 1px solid var(--bd);
  border-radius: var(--rl);
  padding: 14px;
  position: relative;
  transition: all 0.18s;
}

.cert-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--sh-h);
  border-color: var(--navy-b);
}

.cert-emoji { font-size: 24px; margin-bottom: 8px; display: block; }
.cert-title { font-size: 14px; font-weight: 600; margin-bottom: 2px; color: var(--t1); }
.cert-desc { font-size: 11px; color: var(--t3); }

.cert-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 10px;
  font-weight: 600;
  border-radius: 999px;
  padding: 2px 7px;
  border: 1px solid var(--amber-b);
  color: var(--amber);
  background: var(--amber-l);
}

.info-card {
  padding: 18px;
  border-radius: var(--rl);
  border: 1px solid var(--bd);
  background: var(--surface);
}

.quiz-layout { max-width: 760px; margin: 0 auto; padding: 26px 18px; }

.quiz-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.badge {
  font-size: 12px;
  color: var(--t2);
  background: var(--s1);
  border: 1px solid var(--bd);
  border-radius: 999px;
  padding: 4px 12px;
}

.progress {
  height: 4px;
  background: var(--s2);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 16px;
}

.progress > div {
  height: 100%;
  background: var(--navy);
  width: 0;
  transition: width 0.35s ease;
}

.question-card { padding: 20px; }
.question-no {
  font-size: 11px;
  color: var(--t3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.question-text { font-size: 17px; line-height: 1.7; margin-bottom: 14px; }

.options { display: grid; gap: 8px; }
.opt {
  display: flex;
  gap: 10px;
  border: 1px solid var(--bd);
  background: var(--bg);
  border-radius: var(--r);
  padding: 11px 12px;
  text-align: left;
  width: 100%;
}
.opt:hover { background: var(--s1); }
.opt.on { background: var(--navy-l); border-color: var(--navy-b); }
.opt-tag {
  min-width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid var(--bd);
  display: grid;
  place-items: center;
  font-size: 12px;
  color: var(--t3);
  background: var(--s1);
}

.panel { padding: 20px; }
.score {
  font-family: "Lora", Georgia, serif;
  font-size: 62px;
  line-height: 1;
  color: var(--navy);
}

.tags { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-top: 10px; }
.tag { font-size: 12px; border-radius: 999px; padding: 4px 10px; border: 1px solid; }
.tag.ok { background: var(--grn-l); color: var(--grn); border-color: var(--grn-b); }
.tag.ng { background: var(--red-l); color: var(--red); border-color: var(--red-b); }

.answer-item { padding: 14px; margin-bottom: 8px; }
.answer-item.ok { border-left: 3px solid var(--grn); }
.answer-item.ng { border-left: 3px solid var(--red); }
.answer-subject { font-size: 11px; color: var(--t3); font-weight: 600; margin-bottom: 5px; }
.answer-q { font-size: 14px; margin-bottom: 8px; }

.auth-wrap {
  min-height: calc(100vh - 56px);
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  padding: 24px;
}

.auth-card h1 {
  font-family: "Lora", Georgia, serif;
  font-size: 30px;
  margin-bottom: 6px;
}

.field { margin-bottom: 12px; }
.field label { display: block; margin-bottom: 6px; color: var(--t2); font-size: 13px; }
.field input {
  width: 100%;
  border: 1px solid var(--bd);
  background: var(--bg);
  border-radius: var(--r);
  padding: 10px 12px;
  font-size: 14px;
}

.grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

@media (max-width: 700px) {
  .grid-two { grid-template-columns: 1fr; }
}

.msg { min-height: 18px; font-size: 12px; margin-top: 8px; }
.msg.err { color: var(--red); }
.msg.ok { color: var(--grn); }

.linkline {
  margin-top: 10px;
  color: var(--t2);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.kbd {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid var(--bd);
  border-radius: 6px;
  font-size: 11px;
  color: var(--t2);
  background: var(--surface);
}

.preview-question {
  font-size: 14px;
  line-height: 1.65;
  color: var(--t1);
  margin: 10px 0;
  font-weight: 500;
}

.preview-option {
  border: 1px solid var(--bd);
  border-radius: 8px;
  padding: 7px 10px;
  font-size: 12px;
  color: var(--t2);
  background: var(--bg);
  margin-bottom: 6px;
}

.preview-option.on {
  border-color: var(--navy-b);
  background: var(--navy-l);
  color: var(--navy);
  font-weight: 500;
}

.explain-box {
  background: var(--amber-l);
  border: 1px solid var(--amber-b);
  border-radius: 8px;
  padding: 10px 12px;
  margin-top: 10px;
}

.explain-box strong {
  display: block;
  font-size: 11px;
  margin-bottom: 4px;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.explain-box p {
  font-size: 12px;
  line-height: 1.65;
  color: var(--t2);
}

.steps-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 800px) {
  .steps-grid { grid-template-columns: 1fr; }
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--bd);
  border-radius: var(--rl);
  padding: 16px;
}

.step-no {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--navy);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
}

.step-card h4 {
  font-size: 15px;
  margin-bottom: 4px;
}

.step-card p {
  font-size: 13px;
  color: var(--t2);
}

.cta-wrap {
  margin-top: 14px;
  background: var(--navy);
  border-radius: var(--rl);
  padding: 24px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.cta-wrap p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
}

.footer {
  border-top: 1px solid var(--bd);
  background: var(--surface);
  padding: 16px 20px;
  color: var(--t3);
  font-size: 12px;
  text-align: center;
}

.question-bank-layout {
  max-width: 980px;
}

.bank-filter-panel {
  margin-bottom: 14px;
}

.bank-filter-row {
  display: flex;
  gap: 12px;
  align-items: end;
  justify-content: space-between;
  flex-wrap: wrap;
}

.bank-select {
  width: 100%;
  border: 1px solid var(--bd);
  background: var(--bg);
  border-radius: var(--r);
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}

.bank-meta {
  font-size: 13px;
  color: var(--t2);
}

.bank-list {
  display: grid;
  gap: 10px;
}

.bank-item {
  padding: 14px;
}

.bank-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.bank-q {
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 10px;
}

.bank-item-actions {
  display: flex;
  justify-content: flex-end;
}

.bank-opts {
  display: grid;
  gap: 6px;
}

.bank-opt {
  border: 1px solid var(--bd);
  border-radius: 8px;
  background: var(--bg);
  padding: 8px 10px;
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 8px;
  color: var(--t2);
  font-size: 13px;
}

.bank-opt.answer {
  border-color: var(--grn-b);
  background: var(--grn-l);
  color: var(--grn);
  font-weight: 600;
}

.bank-pagination {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.bank-page-indicator {
  font-size: 13px;
  color: var(--t2);
  min-width: 72px;
  text-align: center;
}

.token-layout {
  max-width: 860px;
}

.token-panel {
  display: grid;
  gap: 10px;
}

.token-password-field {
  max-width: 420px;
}

.token-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.token-value-field {
  margin-bottom: 0;
}

.token-textarea {
  width: 100%;
  border: 1px solid var(--bd);
  background: var(--bg);
  border-radius: var(--r);
  padding: 10px 12px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  resize: vertical;
  min-height: 86px;
}

.token-meta {
  color: var(--t2);
  font-size: 13px;
}

.doc-layout {
  max-width: 980px;
  display: grid;
  gap: 14px;
}

.doc-title {
  font-family: "Lora", Georgia, serif;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.25;
}

.doc-section {
  display: grid;
  gap: 10px;
}

.doc-section h2 {
  font-size: 18px;
  margin: 0;
}

.doc-list {
  margin: 0;
  padding-left: 18px;
  color: var(--t2);
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--bd);
  border-radius: 10px;
  overflow: hidden;
  font-size: 13px;
}

.doc-table th,
.doc-table td {
  border-bottom: 1px solid var(--bd);
  border-right: 1px solid var(--bd);
  padding: 9px 10px;
  vertical-align: top;
  text-align: left;
}

.doc-table th {
  background: var(--s1);
  color: var(--t1);
  font-weight: 600;
  white-space: nowrap;
}

.doc-table tr:last-child td,
.doc-table tr:last-child th {
  border-bottom: none;
}

.doc-table td:last-child,
.doc-table th:last-child {
  border-right: none;
}

.doc-code {
  margin: 0;
  overflow-x: auto;
  border-radius: 10px;
  border: 1px solid #cfd8eb;
  background: #f3f7ff;
  color: #1f2e4a;
  padding: 11px 12px;
  font-size: 12px;
  line-height: 1.65;
}

/* Refinement layer: keeps existing structure while improving visual rhythm. */
:root {
  --bg-2: #efe7db;
  --ink: #111827;
  --focus: rgba(37, 51, 80, 0.22);
  --focus-strong: rgba(37, 51, 80, 0.34);
  --sh-soft: 0 10px 30px rgba(19, 28, 43, 0.08), 0 1px 0 rgba(255, 255, 255, 0.85) inset;
}

html,
body {
  color: var(--ink);
  background:
    radial-gradient(1000px 420px at -8% -10%, rgba(150, 96, 15, 0.12), transparent 60%),
    radial-gradient(920px 460px at 112% 8%, rgba(37, 51, 80, 0.12), transparent 62%),
    linear-gradient(180deg, #f9f6f1 0%, var(--bg) 42%, var(--bg-2) 100%);
}

.page {
  position: relative;
  isolation: isolate;
}

.container {
  max-width: 1120px;
  padding: 0 26px;
}

.topbar {
  box-shadow: 0 10px 30px rgba(16, 22, 35, 0.05);
  border-bottom-color: rgba(37, 51, 80, 0.11);
}

.brand {
  gap: 13px;
}

.brand > span:last-child {
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo-mark {
  background: linear-gradient(145deg, #314467, #1e2a44 70%);
}

.btn {
  letter-spacing: -0.01em;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.btn.primary {
  background: linear-gradient(130deg, #2a3e63, #1f2e4a 74%);
  box-shadow: 0 7px 18px rgba(37, 51, 80, 0.24);
}

.btn.primary:hover {
  box-shadow: 0 10px 24px rgba(37, 51, 80, 0.29);
}

.btn.ghost {
  backdrop-filter: blur(4px);
}

.btn:focus-visible,
.field input:focus-visible,
.opt:focus-visible,
a:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--focus), 0 0 0 1px var(--focus-strong);
}

.hero {
  padding: 64px 0 48px;
  gap: 38px;
}

.hero h1 {
  margin-bottom: 12px;
}

.hero p {
  max-width: 52ch;
  line-height: 1.75;
}

.hero > * {
  animation: riseIn 0.55s ease both;
}

.hero > *:last-child {
  animation-delay: 0.12s;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card,
.info-card,
.question-card,
.panel,
.auth-card {
  box-shadow: var(--sh-soft);
  border-color: rgba(48, 61, 88, 0.12);
}

.info-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(250, 247, 241, 0.96));
}

.section {
  padding: 46px 0;
}

.section p.sub {
  max-width: 60ch;
  line-height: 1.72;
}

.cert-card {
  overflow: hidden;
}

.cert-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, rgba(150, 96, 15, 0.35), rgba(37, 51, 80, 0.4));
  opacity: 0;
  transition: opacity 0.18s ease;
}

.cert-card:hover::before {
  opacity: 1;
}

.quiz-layout {
  max-width: 800px;
  padding: 30px 18px 42px;
}

.question-text {
  line-height: 1.78;
}

.opt {
  transition: background-color 0.16s ease, border-color 0.16s ease, transform 0.12s ease;
}

.opt:hover {
  transform: translateY(-1px);
}

.auth-wrap {
  background:
    radial-gradient(540px 240px at 10% 8%, rgba(150, 96, 15, 0.12), transparent 70%),
    radial-gradient(560px 260px at 90% 12%, rgba(37, 51, 80, 0.11), transparent 72%);
}

.auth-card {
  max-width: 470px;
  padding: 28px;
}

.auth-card h1 {
  letter-spacing: -0.02em;
  margin-bottom: 7px;
}

.field {
  margin-bottom: 13px;
}

.field input {
  transition: border-color 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease;
}

.field input:hover {
  border-color: #c8c0b4;
}

.field input:focus {
  border-color: var(--navy);
  background: #fff;
}

.msg {
  margin-top: 10px;
  font-weight: 500;
}

.linkline {
  margin-top: 13px;
  padding-top: 10px;
  border-top: 1px dashed rgba(107, 94, 82, 0.22);
}

.linkline a {
  color: var(--navy);
  text-decoration: none;
}

.linkline a:hover {
  text-decoration: underline;
}

.kbd {
  background: linear-gradient(180deg, #fff, #f5f2ed);
  color: #5c5145;
  font-weight: 600;
}

@media (max-width: 760px) {
  .container {
    padding: 0 16px;
  }

  .section {
    padding: 38px 0;
  }

  .auth-card {
    padding: 22px;
    border-radius: 12px;
  }

  .quiz-layout {
    padding: 22px 6px 30px;
  }
}

#screen-dash .section {
  padding-top: 46px;
}

.dash-shell {
  display: grid;
  gap: 18px;
}

.dash-headline {
  padding: 4px 2px 0;
}

.dash-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-weight: 700;
  color: var(--amber);
  background: var(--amber-l);
  border: 1px solid var(--amber-b);
  margin-bottom: 10px;
}

.dash-headline h2 {
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.2;
  margin-bottom: 8px;
}

.dash-headline .sub {
  max-width: 66ch;
  line-height: 1.7;
  margin-bottom: 14px;
}

.dash-mini-stats {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.mini-stat {
  min-width: 120px;
  border: 1px solid rgba(48, 61, 88, 0.14);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(4px);
  padding: 9px 10px;
}

.mini-stat strong {
  display: block;
  line-height: 1;
  font-size: 16px;
}

.mini-stat span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--t2);
}

.subject-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(220px, 1fr));
  gap: 12px;
}

.subject-card {
  border: 1px solid rgba(48, 61, 88, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--sh-soft);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.subject-card.active {
  border-color: rgba(37, 51, 80, 0.24);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(246, 250, 255, 0.92));
}

.subject-status {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--grn);
  border: 1px solid var(--grn-b);
  background: var(--grn-l);
  border-radius: 999px;
  padding: 2px 8px;
}

.subject-status.soon {
  color: var(--amber);
  border-color: var(--amber-b);
  background: var(--amber-l);
}

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

.subject-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(160deg, var(--navy-l), #f2f5fb);
  border: 1px solid var(--navy-b);
  font-size: 24px;
}

.subject-title {
  display: block;
  font-size: 18px;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}

.subject-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.dash-chip {
  font-size: 12px;
  font-weight: 600;
  color: #5c5145;
  background: #f5f2ed;
  border: 1px solid #dfd7cb;
  border-radius: 999px;
  padding: 4px 10px;
}

.subject-btn {
  margin-top: auto;
  width: 100%;
  justify-content: center;
  font-size: 15px;
  padding: 12px 16px;
}

.subject-btn[disabled] {
  opacity: 0.92;
}

.history-layout {
  display: grid;
  gap: 14px;
}

.history-list {
  display: grid;
  gap: 10px;
}

.history-card {
  padding: 14px;
}

.history-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.history-title {
  font-size: 16px;
}

.history-score {
  font-family: "Lora", Georgia, serif;
  font-size: 28px;
  color: var(--navy);
}

.history-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.history-actions {
  margin-bottom: 10px;
}

.history-detail {
  display: grid;
  gap: 8px;
}

.history-group {
  display: grid;
  gap: 10px;
}

.history-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.history-group-head h3 {
  font-size: 20px;
}

.status-pill {
  font-size: 12px;
  font-weight: 700;
  border-radius: 999px;
  padding: 5px 10px;
  white-space: nowrap;
}

.status-pill.ok {
  color: var(--grn);
  background: var(--grn-l);
  border: 1px solid var(--grn-b);
}

.status-pill.ng {
  color: var(--red);
  background: var(--red-l);
  border: 1px solid var(--red-b);
}

.status-pill.pending {
  color: var(--amber);
  background: var(--amber-l);
  border: 1px solid var(--amber-b);
}

.history-question-preview {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 10px;
}

.rag-detail-grid {
  display: grid;
  gap: 10px;
}

.rag-detail-card {
  padding: 14px;
}

.rag-detail-label {
  font-size: 11px;
  color: var(--t3);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.rag-detail-question {
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 10px;
}

.rag-option-list {
  display: grid;
  gap: 6px;
  margin-bottom: 10px;
}

.rag-option-item {
  border: 1px solid var(--bd);
  background: var(--bg);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
}

.rag-copy-block {
  font-size: 14px;
  line-height: 1.8;
  color: var(--t2);
  white-space: pre-wrap;
}

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

.rag-analysis-item {
  border: 1px solid var(--bd);
  background: rgba(255, 255, 255, 0.72);
  border-radius: 10px;
  padding: 10px;
}

.rag-analysis-item strong {
  display: block;
  margin-bottom: 4px;
}

.rag-analysis-item p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--t2);
}

.explain-layout {
  max-width: 940px;
}

.explain-panel {
  display: grid;
  gap: 12px;
}

.explain-textarea {
  width: 100%;
  border: 1px solid var(--bd);
  background: var(--bg);
  border-radius: var(--r);
  padding: 12px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  min-height: 120px;
}

.explain-option-grid,
.explain-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.explain-hint-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.explain-loading-layout {
  max-width: 760px;
}

.explain-loading-card {
  text-align: center;
  display: grid;
  gap: 10px;
  padding: 28px;
}

.explain-loading-actions {
  justify-content: center;
}

@media (max-width: 1120px) {
  .subject-grid {
    grid-template-columns: repeat(2, minmax(240px, 1fr));
  }
}

@media (max-width: 920px) {
  .subject-grid {
    grid-template-columns: 1fr;
  }

  .explain-option-grid,
  .explain-meta-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .history-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .history-score {
    font-size: 24px;
  }

  .history-group-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .explain-loading-actions {
    flex-direction: column;
  }

  .explain-loading-actions .btn {
    width: 100%;
    justify-content: center;
  }
}