/* MAC — ink + jade, fully themed light/dark */
:root,
html[data-theme="dark"] {
  --bg: #0e1210;
  --bg-wash: #16201b;
  --panel: #171c19;
  --panel-elevated: #1d2420;
  --line: #314038;
  --text: #eef3ef;
  --muted: #9aa69e;
  --accent: #3ecf9a;
  --accent-soft: rgba(62, 207, 154, 0.16);
  --accent-2: #d4a85a;
  --on-accent: #07110d;
  --green: #3ecf9a;
  --green-soft: rgba(62, 207, 154, 0.18);
  --red: #f07178;
  --red-soft: rgba(240, 113, 120, 0.16);
  --chip: #121816;
  --input: #101513;
  --btn: #1a211d;
  --btn-hover: #243029;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.4);
  --hero-grad: linear-gradient(120deg, #f4faf6, #3ecf9a 52%, #d4a85a);
  --grid: rgba(255, 255, 255, 0.034);
  --glow: rgba(62, 207, 154, 0.16);
  --topbar: rgba(14, 18, 16, 0.88);
  --backdrop: rgba(4, 8, 6, 0.62);
  --blue: var(--accent);
  --violet: #2a9f78;
}

html[data-theme="light"] {
  --bg: #eef2ee;
  --bg-wash: #e2ebe4;
  --panel: #ffffff;
  --panel-elevated: #f7faf7;
  --line: #c5d0c8;
  --text: #132019;
  --muted: #4d5c54;
  --accent: #0b7a58;
  --accent-soft: rgba(11, 122, 88, 0.12);
  --accent-2: #9a6f1f;
  --on-accent: #ffffff;
  --green: #0b7a58;
  --green-soft: rgba(11, 122, 88, 0.14);
  --red: #b83240;
  --red-soft: rgba(184, 50, 64, 0.12);
  --chip: #e8efe9;
  --input: #ffffff;
  --btn: #ffffff;
  --btn-hover: #e8efe9;
  --shadow: 0 14px 36px rgba(19, 32, 25, 0.1);
  --hero-grad: linear-gradient(120deg, #132019 8%, #0b7a58 48%, #9a6f1f);
  --grid: rgba(19, 32, 25, 0.055);
  --glow: rgba(11, 122, 88, 0.14);
  --topbar: rgba(238, 242, 238, 0.92);
  --backdrop: rgba(19, 32, 25, 0.35);
  --blue: var(--accent);
  --violet: #086346;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Outfit", system-ui, sans-serif;
  background:
    radial-gradient(ellipse 80% 50% at 8% -8%, var(--glow), transparent 55%),
    radial-gradient(ellipse 60% 40% at 92% 0%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 50%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(180deg, var(--bg-wash), var(--bg) 38%);
  background-size: auto, auto, 32px 32px, 32px 32px, auto;
}

.page-shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 48px;
}

/* —— Header —— */
.topbar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 30;
  margin: 0 -4px;
  padding-left: 4px;
  padding-right: 4px;
  backdrop-filter: blur(16px);
  background: linear-gradient(var(--topbar), var(--topbar));
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-decoration: none;
  color: inherit;
  min-width: 104px;
}

.brand-mark {
  font: 700 32px/1 "Fraunces", Georgia, serif;
  letter-spacing: -0.03em;
  background: var(--hero-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-sub {
  margin-top: 2px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.main-nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
}

.drawer-toggle { display: none; }

.theme-switch {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  gap: 2px;
}

.theme-opt {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: 700 12px "Outfit", sans-serif;
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.theme-opt[aria-pressed="true"] {
  background: var(--accent);
  color: var(--on-accent);
}

.nav-btn,
.secondary,
.auth-tabs button {
  border: 1px solid var(--line);
  background: var(--btn);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 13px;
  font: 600 13px "Outfit", sans-serif;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s, transform 0.12s;
}

.main-nav .nav-btn {
  border-color: transparent;
  background: transparent;
}

.nav-btn:hover,
.secondary:hover,
.main-nav .nav-btn:hover {
  background: var(--btn-hover);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
  color: var(--text);
}

.nav-btn.active,
.main-nav .nav-btn.active {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  color: var(--text);
}

.nav-btn:active,
.secondary:active,
.primary:active { transform: translateY(1px); }

/* —— Views —— */
.view {
  margin: 28px auto 0;
  animation: fadeUp 0.35s ease both;
}

.practice-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  color: var(--text);
}

.filters {
  padding: 6px 0 14px;
  overflow: hidden;
  position: sticky;
  top: 78px;
}

.filters h2,
.eyebrow {
  padding: 0 18px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  font-weight: 700;
}

.filters h2 { margin: 16px 0 18px; }
.eyebrow { padding: 0; margin: 0 0 8px; }

.filters fieldset {
  border: 0;
  padding: 0 18px;
  margin: 0 0 18px;
}

.filters legend {
  margin-bottom: 8px;
  color: var(--text);
  font-weight: 700;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0;
  font-size: 14px;
  color: var(--text);
}

.toggle-row input { position: absolute; opacity: 0; }

.toggle {
  width: 44px;
  height: 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--chip);
  position: relative;
  flex-shrink: 0;
}

.toggle:after {
  content: "";
  position: absolute;
  left: 3px;
  top: 3px;
  width: 16px;
  height: 16px;
  background: var(--muted);
  border-radius: 50%;
  transition: 0.2s;
}

.toggle-row input:checked + .toggle {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: var(--accent-soft);
}

.toggle-row input:checked + .toggle:after {
  transform: translateX(18px);
  background: var(--accent);
}

.range-head {
  display: flex;
  justify-content: space-between;
  padding: 0 18px;
  font-size: 13px;
  color: var(--text);
}

.range-head strong { color: var(--accent); }

.ranges {
  position: relative;
  height: 32px;
  margin: 12px 18px 0;
}

.ranges input {
  position: absolute;
  width: 100%;
  pointer-events: none;
  accent-color: var(--accent);
}

.ranges input::-webkit-slider-thumb { pointer-events: auto; }

.ticks {
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  color: var(--muted);
  font-size: 11px;
}

.filters > label[for],
.filters > label,
.mode-card label,
.official-filters > label,
.search-label {
  display: block;
  margin: 16px 18px 8px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}

.mode-card label { margin-left: 0; margin-right: 0; }

.filters select,
.filters input[type="search"],
.mode-card select,
.official-filters select,
.official-filters input[type="search"],
.search-label input,
dialog input,
.miss-form select {
  width: calc(100% - 36px);
  margin: 0 18px 8px;
  padding: 12px 14px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: var(--input);
  color: var(--text);
  font: 500 14px "Outfit", sans-serif;
  box-shadow: none;
}

.filters select option,
.mode-card select option,
.official-filters select option,
.miss-form select option {
  background: var(--panel);
  color: var(--text);
}

.mode-card select,
.official-filters select,
.official-filters input[type="search"],
.search-label input,
dialog input,
.miss-form select {
  width: 100%;
  margin-left: 0;
  margin-right: 0;
}

.primary {
  border: 0;
  border-radius: 11px;
  padding: 13px 18px;
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 65%, var(--accent-2)));
  color: var(--on-accent);
  font: 700 14px "Outfit", sans-serif;
  cursor: pointer;
  transition: filter 0.15s, transform 0.12s;
}

.primary:hover { filter: brightness(1.04); }
.primary:disabled { opacity: 0.45; cursor: not-allowed; filter: none; }

.filters .primary {
  width: calc(100% - 36px);
  margin: 16px 18px 8px;
}

.pool,
.hint-keys {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  margin: 8px 18px 12px;
  line-height: 1.45;
}

/* —— Problem area / hero —— */
.problem-area {
  min-height: 420px;
  padding: 0;
  overflow: hidden;
}

.hero-panel {
  min-height: 420px;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    radial-gradient(circle at 85% 20%, var(--accent-soft), transparent 42%),
    linear-gradient(145deg, var(--panel) 40%, var(--panel-elevated));
}

.hero-brand {
  margin: 0 0 8px;
  font: 700 72px/0.92 "Fraunces", Georgia, serif;
  letter-spacing: -0.045em;
  background: var(--hero-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-panel h2,
.problem-area h2,
.dashboard h2,
dialog h2,
.mode-card h3,
.official-list-title,
.board h3,
.dashboard h3 {
  font: 700 34px/1.12 "Fraunces", Georgia, serif;
  letter-spacing: -0.025em;
  margin: 6px 0 12px;
  color: var(--text);
}

.mode-card h3,
.board h3,
.dashboard h3,
.official-list-title { font-size: 24px; }

.hero-copy,
.problem-area p,
.lede {
  color: var(--muted);
  max-width: 520px;
  line-height: 1.65;
  font-size: 16px;
  margin: 0;
}

.hero-copy strong,
.lede strong { color: var(--text); }

.inline-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}
.inline-link:hover { text-decoration: underline; }

.empty-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}

#problemState { padding: 28px 30px 32px; }

.problem-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  align-items: start;
}

.tool-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.timer-chip {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--line);
  background: var(--chip);
  padding: 6px 10px;
  border-radius: 999px;
}

.meta,
.browse-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta span,
.browse-meta span {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  background: var(--chip);
}

.question {
  font-size: 20px !important;
  color: var(--text) !important;
  margin-top: 18px !important;
  line-height: 1.55 !important;
  max-width: none !important;
}

.answers {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 22px 0;
}

.answer {
  border: 1px solid var(--line);
  background: var(--chip);
  color: var(--text);
  padding: 14px 12px;
  border-radius: 12px;
  cursor: pointer;
  text-align: left;
  font: 500 14px "Outfit", sans-serif;
  transition: border-color 0.15s, background 0.15s, transform 0.12s;
}

.answer b { color: var(--accent); }

.answer:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  background: var(--panel-elevated);
  transform: translateY(-1px);
}

.answer.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
}

.answer.correct {
  border-color: var(--green);
  background: var(--green-soft);
  color: var(--text);
}

.answer.wrong {
  border-color: var(--red);
  background: var(--red-soft);
  color: var(--text);
}

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

.hint-box,
.feedback,
.readiness {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--chip);
  border: 1px solid var(--line);
  color: var(--text);
}

.hint-box {
  border-style: dashed;
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
}

.solution-text { margin: 10px 0 0 !important; color: var(--muted) !important; }
.steps { margin: 12px 0; padding-left: 18px; color: var(--text); }
.steps li { margin: 8px 0; line-height: 1.5; }
.step-n { color: var(--accent); font-weight: 700; margin-right: 6px; }

.miss-form { margin-top: 14px; display: grid; gap: 8px; color: var(--text); }
.miss-form label { color: var(--muted); font-size: 13px; }

.scratch-wrap { margin-top: 14px; }
#scratchpad {
  width: 100%;
  max-width: 640px;
  height: 220px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--input);
  touch-action: none;
  cursor: crosshair;
}
.scratch-actions { margin-top: 8px; }

.recap {
  margin-top: 22px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.recap-grid,
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  padding: 16px;
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text);
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.metric strong {
  display: block;
  font: 700 26px/1.1 "Fraunces", Georgia, serif;
  margin-top: 6px;
  color: var(--text);
}

.dashboard { max-width: none; }
.dashboard.card { padding: 28px; }
.dashboard > h2 { margin-top: 0; color: var(--text); }

.mode-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 20px 0;
}

.mode-card { padding: 22px; }
.mode-card p { color: var(--muted); line-height: 1.5; }
.mode-status { color: var(--accent) !important; font-weight: 700; }

.mock-panel,
.mock-results { padding: 22px; margin-top: 10px; }

.mock-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  align-items: start;
}

.mock-clock { display: flex; gap: 10px; align-items: center; }
#mockTimer {
  font: 700 28px/1 "Fraunces", Georgia, serif;
  color: var(--accent);
}

.mock-progress {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0;
}

.mock-dot {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--chip);
  color: var(--text);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}

.mock-dot.on {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.mock-dot.filled { border-color: var(--green); }
.mock-qnum { color: var(--muted); margin-right: 6px; }

.browse-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  margin: 18px 0 14px;
}

.search-label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  margin: 0;
}

.search-label input { width: 100%; margin: 0; }

.browse-count {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 4px;
  white-space: nowrap;
  font-weight: 600;
}

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

.browse-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.15s, transform 0.15s, background 0.15s;
  text-decoration: none;
  font: inherit;
  background: var(--panel);
}

.browse-item:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  background: var(--panel-elevated);
  transform: translateY(-1px);
}

.browse-meta { margin-bottom: 10px; }

.browse-item p {
  margin: 0;
  color: var(--text);
  line-height: 1.5;
}

.empty-browse { color: var(--muted); }

.official-filters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 18px;
  padding: 22px 20px 14px;
  margin: 22px 0 20px;
  align-items: start;
}

.official-filters fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  grid-column: 1 / -1;
  color: var(--text);
}

.official-filters legend { margin-bottom: 8px; font-weight: 700; }

.official-filters > label {
  margin-left: 0;
  margin-right: 0;
}

.official-filters .range-head,
.official-filters .ranges,
.official-filters .ticks,
.official-filters .primary,
.official-filters .pool {
  grid-column: 1 / -1;
}

.official-filters .range-head { padding: 0; color: var(--text); }
.official-filters .ranges,
.official-filters .ticks { margin-left: 0; margin-right: 0; padding-left: 0; padding-right: 0; }
.official-filters .primary { width: 100%; margin: 12px 0 0; }
.official-filters .pool { margin: 8px 0; text-align: center; }

.resource-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 28px;
}

.resource-card {
  display: block;
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s, transform 0.15s, background 0.15s;
  background: var(--panel);
}

.resource-card:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  background: var(--panel-elevated);
  transform: translateY(-1px);
}

.resource-card h3 {
  font: 700 20px/1.2 "Fraunces", Georgia, serif;
  margin: 0 0 8px;
  color: var(--text);
}

.resource-card p {
  color: var(--muted);
  margin: 0 0 12px;
  line-height: 1.5;
  font-size: 14px;
}

.resource-card span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.stats-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 10px;
}

.stats-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 18px 0;
}

#chartCanvas {
  width: 100%;
  max-width: 420px;
  background: var(--chip);
  border-radius: 12px;
  border: 1px solid var(--line);
}

.topic-stats { margin: 12px 0 22px; color: var(--text); }

.topic-row {
  display: grid;
  grid-template-columns: 140px 1fr 48px;
  gap: 12px;
  align-items: center;
  margin: 10px 0;
  font-size: 14px;
  color: var(--text);
}

.bar {
  height: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.board-opt { margin: 12px 0 18px; max-width: 420px; color: var(--text); }

.board-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 12px;
}

.board { padding: 22px; }
.board p { color: var(--muted); }
.board ol { list-style: none; padding: 0; margin: 0; }

.board li {
  display: flex;
  justify-content: space-between;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  color: var(--text);
}

.board li span { display: flex; gap: 12px; }
.board li b { color: var(--accent); }
.board li strong { color: var(--text); }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 40px 8px 20px;
}

footer p { margin: 6px 0; }

.repo-link a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}
.repo-link a:hover { text-decoration: underline; }

dialog {
  width: min(460px, calc(100% - 30px));
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  box-shadow: var(--shadow);
}

dialog::backdrop {
  background: var(--backdrop);
  backdrop-filter: blur(4px);
}

dialog .close {
  float: right;
  background: none;
  border: 0;
  color: var(--muted);
  font-size: 25px;
  cursor: pointer;
}

dialog p { color: var(--muted); }
dialog h2 { color: var(--text); }

.auth-tabs { display: flex; margin: 24px 0 15px; }
.auth-tabs button { flex: 1; }
.auth-tabs .active {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--line));
  color: var(--text);
}

dialog label {
  display: block;
  color: var(--muted);
  margin: 13px 0;
}

dialog input {
  display: block;
  width: 100%;
  margin: 6px 0 0;
}

dialog .primary { width: 100%; margin-top: 10px; }
.auth-message { color: var(--green); min-height: 20px; }

.drawer-head { display: none; color: var(--text); }
.drawer-head h2 { color: var(--text); padding: 0; margin: 0; }

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: var(--backdrop);
  z-index: 40;
}

/* KaTeX inherits readable text in both themes */
.katex { color: var(--text); }

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}

html.reduce-motion *,
html.reduce-motion *::before,
html.reduce-motion *::after {
  animation: none !important;
  transition: none !important;
}

@media (max-width: 980px) {
  .page-shell { width: min(100% - 20px, 1240px); }

  .topbar {
    grid-template-columns: 1fr auto;
    gap: 10px;
  }

  .main-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .drawer-toggle { display: inline-flex; }

  .practice-layout { grid-template-columns: 1fr; gap: 16px; }

  .filters {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(330px, 90vw);
    z-index: 50;
    transform: translateX(-105%);
    transition: transform 0.2s ease;
    overflow: auto;
    border-radius: 0 16px 16px 0;
    margin: 0;
  }

  body.drawer-open .filters { transform: translateX(0); }

  .drawer-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 14px 0;
  }

  .answers { grid-template-columns: 1fr 1fr; }
  .mode-grid,
  .stats-split,
  .board-grid,
  .resource-grid,
  .official-filters { grid-template-columns: 1fr; }
  .recap-grid,
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero-panel { min-height: 340px; padding: 32px 24px; }
}

@media (max-width: 560px) {
  .brand-mark { font-size: 28px; }
  .hero-brand { font-size: 52px; }
  .hero-panel h2,
  .dashboard h2 { font-size: 28px; }
  .answers,
  .recap-grid,
  .stats-grid { grid-template-columns: 1fr; }
  .theme-opt { padding: 7px 9px; }
  .nav-btn { padding: 8px 10px; font-size: 12px; }
  #problemState { padding: 20px; }
  .topic-row { grid-template-columns: 100px 1fr 40px; }
}