:root {
  --bg: #f7f3ea;
  --surface: #fffdf8;
  --surface-2: #f0faf8;
  --ink: #17202a;
  --muted: #64707d;
  --line: #ded7ca;
  --teal: #0f766e;
  --teal-dark: #115e59;
  --gold: #f5b700;
  --coral: #e85d4f;
  --blue: #2563eb;
  --green: #1f9d64;
  --danger: #b42318;
  --shadow: 0 18px 45px rgba(23, 32, 42, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 0.78rem 0.85rem;
  outline: none;
}

textarea {
  resize: vertical;
}

.choice-fieldset {
  min-width: 0;
  margin: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.choice-fieldset legend,
.review-approve {
  font-weight: 800;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.subject-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1rem 0;
}

.review-card {
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: var(--radius);
  background: var(--surface);
}

.question-coverage .metric-grid {
  margin-bottom: 1rem;
}

.coverage-controls {
  display: flex;
  justify-content: flex-end;
  margin: 1rem 0;
}

.coverage-controls label {
  width: min(100%, 360px);
}

.session-timer {
  min-width: 170px;
  padding: 0.8rem 1rem;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  text-align: center;
  background: var(--surface);
}
.session-timer strong { display:block; font-size:2rem; font-variant-numeric:tabular-nums; }
.session-timer small { color:var(--muted); }
.session-timer.is-running { border-color:var(--teal); }
.session-timer.is-urgent { color:var(--danger); border-color:var(--danger); animation:pulse 1s infinite; }
@keyframes pulse { 50% { box-shadow:0 0 0 5px rgba(180,35,24,.12); } }
.session-summary { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1rem; margin-bottom:1rem; }
.session-summary article { padding:1rem; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); }
.session-summary strong { display:block; font-size:1.7rem; }
.session-summary span { color:var(--muted); }
.task-start-panel { max-width:760px; margin:1rem auto; text-align:center; }
.accuracy-cell { display:flex; align-items:center; gap:.7rem; min-width:180px; }
.accuracy-cell .progress-bar { flex:1; }
.answer-history { display:grid; gap:.8rem; }
.answer-review { padding:1rem; border:1px solid var(--line); border-left:4px solid var(--danger); border-radius:var(--radius); background:var(--surface); }
.answer-review.is-correct { border-left-color:var(--green); }
.answer-review h3 { margin:.65rem 0; }
.impersonation-banner { display:flex; align-items:center; justify-content:center; gap:1rem; padding:.8rem; margin-bottom:1rem; border:2px solid var(--ink); background:var(--gold); border-radius:var(--radius); }
.impersonation-banner form { margin:0; }

.exam-shell { display:grid; gap:1rem; }
.exam-header { display:flex; align-items:center; justify-content:space-between; gap:1.5rem; padding:1.25rem; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); }
.exam-header h1 { margin:.15rem 0; font-size:clamp(1.8rem,4vw,3rem); }
.exam-header p { margin:0; color:var(--muted); }
.exam-header-stats { display:flex; align-items:stretch; gap:.7rem; }
.exam-header-stats>div { min-width:105px; padding:.7rem 1rem; border:1px solid var(--line); border-radius:var(--radius); text-align:center; background:#fff; }
.exam-header-stats small,.exam-header-stats strong { display:block; }
.exam-header-stats strong { font-size:1.35rem; }
.exam-clock strong { font-variant-numeric:tabular-nums; color:var(--teal); }
.exam-clock.is-urgent strong { color:var(--danger); }
.exam-progress-track { height:10px; overflow:hidden; border-radius:20px; background:#e7e1d6; }
.exam-progress-track span { display:block; height:100%; background:linear-gradient(90deg,var(--teal),var(--green)); transition:width .35s ease; }
.exam-welcome { max-width:760px; margin:2rem auto; padding:2rem; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); box-shadow:var(--shadow); text-align:center; }
.exam-welcome ul { display:inline-grid; gap:.5rem; max-width:600px; margin:1rem auto 1.5rem; text-align:left; }
.exam-icon { display:grid; place-items:center; width:64px; height:64px; margin:0 auto 1rem; border-radius:50%; background:var(--teal); color:#fff; font-size:2rem; font-weight:900; }
.exam-primary { min-width:220px; padding:1rem 1.4rem; }
.exam-layout { position:relative; display:grid; grid-template-columns:230px minmax(0,1fr); gap:1rem; min-height:560px; }
.exam-sidebar,.exam-question-area { border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); }
.exam-sidebar { padding:1rem; }
.exam-sidebar h2 { margin-top:0; }
.question-navigator { display:grid; grid-template-columns:repeat(4,1fr); gap:.5rem; }
.question-navigator button { aspect-ratio:1; border:1px solid var(--line); border-radius:7px; background:#fff; cursor:pointer; font-weight:800; }
.question-navigator button.is-current { border:2px solid var(--teal); color:var(--teal); }
.question-navigator button.is-answered { background:var(--green); border-color:var(--green); color:#fff; }
.exam-legend { display:grid; gap:.6rem; margin-top:1.5rem; color:var(--muted); font-size:.85rem; }
.exam-legend span { display:flex; align-items:center; gap:.5rem; }
.exam-legend i { width:15px; height:15px; border:1px solid var(--line); border-radius:4px; background:#fff; }
.exam-legend i.current { border:2px solid var(--teal); }.exam-legend i.answered { background:var(--green);border-color:var(--green); }
.exam-question-area { padding:1.25rem; }
.exam-toolbar { display:flex; justify-content:flex-end; gap:.7rem; padding-bottom:1rem; border-bottom:1px solid var(--line); }
.exam-question { padding-top:1rem; }
.question-heading { display:flex; justify-content:space-between; gap:1rem; }
.question-heading span { color:var(--muted); font-weight:700; }
.question-heading h2 { max-width:760px; font-size:1.45rem; }
.question-value { min-width:75px; padding:.6rem; border-radius:var(--radius); background:#fff3c4; text-align:center; }
.question-value strong,.question-value small { display:block; }
.question-tags { display:flex; gap:.5rem; margin:.5rem 0 1.25rem; }.question-tags span { padding:.3rem .6rem; border-radius:20px; background:var(--surface-2); font-size:.85rem; }
.exam-options { display:grid; gap:.75rem; }
.exam-options button { display:flex; align-items:center; gap:1rem; width:100%; padding:.9rem; border:1px solid var(--line); border-radius:var(--radius); background:#fff; text-align:left; cursor:pointer; }
.exam-options button:hover,.exam-options button.is-selected { border-color:var(--teal); background:var(--surface-2); }
.exam-options button span { display:grid; place-items:center; flex:0 0 36px; height:36px; border-radius:50%; background:#edf0f2; }
.exam-question-nav { display:flex; justify-content:space-between; margin-top:1.25rem; }
.pause-overlay { position:absolute; inset:0; z-index:5; display:grid; place-items:center; border:2px solid var(--teal); border-radius:var(--radius); background:rgba(247,243,234,.98); text-align:center; }.pause-overlay[hidden]{display:none}.pause-overlay>div{max-width:480px;padding:2rem}.exam-layout.is-paused .exam-sidebar,.exam-layout.is-paused .exam-question-area{visibility:hidden}
.history-filter .form-row { align-items:end; }.history-summary { margin:1rem 0;color:var(--muted); }.history-list { display:grid; gap:.75rem; }
.history-item { border:1px solid var(--line); border-left:4px solid var(--danger); border-radius:var(--radius); background:var(--surface); }.history-item.is-correct{border-left-color:var(--green)}
.history-item summary { display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:1rem; cursor:pointer; list-style:none; }.history-item summary::-webkit-details-marker{display:none}.history-item summary>div:first-child{display:grid;gap:.3rem}.history-item summary small{color:var(--muted)}.history-coins{white-space:nowrap;font-weight:800}.history-detail{padding:0 1rem 1rem;border-top:1px solid var(--line)}.pagination{display:flex;justify-content:center;gap:.4rem;margin:1.25rem 0;}
.wallet-hero { display:grid; grid-template-columns:1.4fr .8fr; align-items:center; gap:1.5rem; padding:clamp(1.25rem,4vw,2.5rem); border-radius:var(--radius); color:#fff; background:linear-gradient(130deg,#0b4f4a,#0f766e 60%,#15967f); box-shadow:var(--shadow); }
.wallet-hero h1 { margin:.2rem 0; font-size:clamp(2rem,5vw,3.5rem); }.wallet-hero p{max-width:650px}.wallet-rate{display:inline-block;margin-top:.8rem;padding:.55rem .8rem;border-radius:6px;background:rgba(255,255,255,.12)}
.wallet-balance-card { padding:1.3rem; border:1px solid rgba(255,255,255,.3); border-radius:var(--radius); background:rgba(255,255,255,.12); text-align:center; }.wallet-balance-card small,.wallet-balance-card span{display:block}.wallet-balance-card>strong{display:block;font-size:3.5rem;line-height:1}.wallet-balance-card div{margin-top:.7rem;font-size:1.2rem;font-weight:800;color:#fff3c4}
.wallet-breakdown { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1rem; margin:1rem 0; }.wallet-breakdown article{display:flex;align-items:center;gap:.8rem;padding:1rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.wallet-breakdown small,.wallet-breakdown strong,.wallet-breakdown span{display:block}.wallet-breakdown span{color:var(--muted)}
.wallet-stat-icon { display:grid;place-items:center;flex:0 0 44px;height:44px;border-radius:50%;font-size:1.4rem;font-weight:900}.wallet-stat-icon.earned{background:#d9f6e8;color:var(--green)}.wallet-stat-icon.purchased{background:#dce9ff;color:var(--blue)}.wallet-stat-icon.spent{background:#fee3df;color:var(--danger)}.wallet-stat-icon.remaining{background:#fff1bd;color:#856300}.transaction-type{display:inline-block;padding:.25rem .5rem;border-radius:20px;background:var(--surface-2);font-size:.82rem;font-weight:700}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 0.85rem;
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0;
}

code {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem clamp(1rem, 4vw, 2rem);
  background: rgba(255, 253, 248, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-width: max-content;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--gold);
  font-weight: 900;
  box-shadow: 6px 6px 0 var(--gold);
}

.brand strong {
  display: block;
  font-size: 1.05rem;
}

.brand small {
  color: var(--muted);
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 0.2rem;
  flex-wrap: wrap;
}

.site-nav a,
.user-chip a {
  border-radius: var(--radius);
  padding: 0.58rem 0.75rem;
  color: var(--muted);
  font-weight: 700;
}

.site-nav a:hover,
.site-nav .is-active,
.nav-cta {
  background: var(--ink);
  color: #fff !important;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.user-chip span {
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.page {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.hero,
.dashboard-hero,
.compact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  align-items: center;
  gap: 1.5rem;
  min-height: 420px;
  padding: clamp(1.4rem, 5vw, 3rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(240, 250, 248, 0.96)),
    var(--surface);
  box-shadow: var(--shadow);
}

.compact-hero {
  min-height: auto;
  grid-template-columns: 1fr;
}

.hero h1,
.dashboard-hero h1,
.page-head h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.2rem, 6vw, 4.8rem);
  line-height: 1;
  letter-spacing: 0;
}

.hero p,
.dashboard-hero p,
.page-head p {
  max-width: 720px;
  color: var(--muted);
}

.hero-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  padding: 1rem;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 10px 10px 0 var(--teal);
  transform: rotate(1deg);
}

.hero-stat {
  min-height: 110px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
  color: #fff;
  font-weight: 900;
}

.hero-stat:nth-child(1) { background: var(--teal); }
.hero-stat:nth-child(2) { background: var(--coral); }
.hero-stat:nth-child(3) { background: var(--blue); }
.hero-stat:nth-child(4) { background: var(--ink); color: var(--gold); }

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--teal);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 0.78rem;
}

.action-row,
.quick-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 0.7rem 1rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 3px 3px 0 rgba(23, 32, 42, 0.18);
}

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

.button.primary {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal-dark);
}

.button.ghost {
  background: #fff;
}

.button.small {
  min-height: 34px;
  padding: 0.45rem 0.7rem;
  font-size: 0.86rem;
}

.button.full {
  width: 100%;
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.feature-grid,
.metric-grid,
.task-grid,
.product-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-grid.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.task-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.metric-card,
.task-card,
.product-card,
.panel,
.auth-card,
.order-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(23, 32, 42, 0.08);
}

.feature-card,
.metric-card,
.task-card,
.panel,
.auth-card,
.order-card {
  padding: 1rem;
}

.feature-icon,
.subject-dot {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  background: var(--gold);
  color: var(--ink);
  font-weight: 900;
}

.feature-card h2,
.panel h2,
.task-card h2,
.product-card h2 {
  margin: 0.35rem 0;
  line-height: 1.15;
  letter-spacing: 0;
}

.muted,
.metric-card small,
.mini-row small,
.product-card small,
.status-help {
  color: var(--muted);
}

.metric-card {
  min-height: 126px;
}

.metric-label {
  display: block;
  color: var(--muted);
  font-weight: 800;
}

.metric-card strong,
.limit-chip span,
.wallet-orb span {
  display: block;
  font-size: clamp(1.7rem, 4vw, 2.7rem);
  line-height: 1.1;
}

.dashboard-hero {
  min-height: 280px;
  grid-template-columns: 1fr auto;
}

.wallet-orb,
.limit-chip {
  display: grid;
  place-items: center;
  min-width: 150px;
  min-height: 150px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--gold);
  text-align: center;
  box-shadow: 8px 8px 0 var(--ink);
}

.limit-chip {
  border-radius: var(--radius);
  min-height: 100px;
  box-shadow: 6px 6px 0 rgba(23, 32, 42, 0.2);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.page-head {
  margin-bottom: 1rem;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 1rem;
  margin-top: 1rem;
}

.narrow {
  max-width: 720px;
  margin: 1rem auto 0;
}

.mini-list,
.cart-list,
.order-list {
  display: grid;
  gap: 0.75rem;
}

.mini-row,
.cart-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.cart-row {
  grid-template-columns: 1fr 84px auto auto;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  border-radius: 999px;
  background: #ecfdf3;
  color: #05603a;
  padding: 0.25rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 900;
}

.status-pill.pending,
.status-pill.assigned {
  background: #fff7e6;
  color: #9a6700;
}

.status-pill.cancelled,
.status-pill.refunded,
.status-pill.disabled,
.state.danger {
  background: #fef3f2;
  color: var(--danger);
}

.reward-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.reward-strip article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem;
  background: #fff;
}

.reward-art,
.product-art {
  display: grid;
  place-items: center;
  min-height: 132px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(245, 183, 0, 0.35), rgba(15, 118, 110, 0.2)),
    #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 3rem;
  font-weight: 900;
  overflow: hidden;
}

.product-art img {
  width: 100%;
  height: 100%;
  min-height: 132px;
  object-fit: cover;
  display: block;
}

.reward-art img {
  width: 100%;
  height: 100%;
  min-height: 72px;
  object-fit: cover;
  display: block;
}

.reward-art {
  min-height: 72px;
  font-size: 2rem;
}

.product-card {
  overflow: hidden;
}

.product-card h2 {
  font-size: 1.05rem;
}

.product-card .product-art {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius) var(--radius) 0 0;
}

.product-body {
  padding: 0.85rem;
}

.product-body p {
  min-height: 58px;
  color: var(--muted);
  font-size: 0.92rem;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0.8rem 0;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: 1rem;
}

.product-art.large {
  min-height: 440px;
}

.product-art.large img {
  min-height: 440px;
}

.stock-line {
  margin: -0.35rem 0 0.85rem;
  color: var(--muted);
  font-weight: 800;
}

.auth-wrap {
  min-height: calc(100vh - 140px);
  display: grid;
  place-items: center;
}

.auth-card {
  width: min(100%, 480px);
}

.wide-auth .auth-card {
  width: min(100%, 980px);
}

.stack-form {
  display: grid;
  gap: 0.95rem;
}

.stack-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-weight: 800;
}

.grid-form {
  grid-template-columns: 1fr 1fr;
  align-items: start;
}

.grid-form > .button,
.grid-form > .state {
  grid-column: 1 / -1;
}

.form-section {
  display: grid;
  gap: 0.8rem;
}

.form-section h2 {
  margin-bottom: 0;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.check-line {
  display: flex !important;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.6rem !important;
}

.check-line input {
  width: auto;
}

.state,
.flash {
  margin: 0 0 1rem;
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  font-weight: 800;
}

.state.success,
.flash-success {
  background: #ecfdf3;
  color: #05603a;
}

.flash-info {
  background: #eff6ff;
  color: #1d4ed8;
}

.task-progress {
  margin: 1rem 0;
}

.progress-bar {
  height: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
}

.progress-bar span {
  display: block;
  height: 100%;
  background: var(--teal);
  transition: width 0.25s ease;
}

.task-card {
  position: relative;
}

.task-card.is-done {
  background: #f7fbf9;
}

.task-meta {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-bottom: 0.7rem;
}

.task-meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 0.22rem 0.55rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
}

.option-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-top: 1rem;
}

.option-btn {
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.option-btn:hover {
  border-color: var(--teal);
  background: var(--surface-2);
}

.option-btn[disabled] {
  cursor: not-allowed;
  opacity: 0.7;
}

.task-result {
  margin-top: 1rem;
}

.category-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.category-row a {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 0.45rem 0.8rem;
  font-weight: 900;
  color: var(--muted);
}

.category-row .is-active {
  background: var(--ink);
  color: #fff;
}

.checkout-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
  background: #fff;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--danger);
  cursor: pointer;
  font-weight: 900;
}

.table-wrap {
  overflow-x: auto;
}

.inline-form {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.row-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.admin-product-cell {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 240px;
}

.admin-thumb {
  width: 54px;
  height: 54px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
  background: #fff;
}

.inline-form input[type="file"] {
  max-width: 210px;
  padding: 0.5rem;
}

.coin-form input {
  width: 130px;
}

.order-form {
  margin-top: 1rem;
}

.order-form input {
  width: min(100%, 360px);
}

.text-good {
  color: var(--green);
  font-weight: 900;
}

.text-bad {
  color: var(--danger);
  font-weight: 900;
}

.coin-pop {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 50;
  pointer-events: none;
}

.coin-pop.show {
  min-width: 180px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--gold);
  color: var(--ink);
  padding: 0.9rem 1rem;
  font-weight: 900;
  box-shadow: 6px 6px 0 var(--ink);
  animation: popin 0.35s ease;
}

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

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto 1fr;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    grid-column: 1 / -1;
    justify-content: flex-start;
    padding-top: 0.7rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  .user-chip {
    justify-self: end;
  }

  .hero,
  .dashboard-hero,
  .split-grid,
  .product-detail {
    grid-template-columns: 1fr;
  }

  .metric-grid,
  .feature-grid,
  .task-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 640px) {
  .site-header {
    padding: 0.75rem 1rem;
  }

  .brand small,
  .user-chip span {
    display: none;
  }

  .page {
    width: min(100% - 1rem, 1180px);
    padding-top: 1rem;
  }

  .hero,
  .dashboard-hero,
  .compact-hero {
    min-height: auto;
    padding: 1rem;
  }

  .hero-board,
  .metric-grid,
  .feature-grid,
  .product-grid,
  .task-grid,
  .option-grid,
  .reward-strip,
  .form-row {
    grid-template-columns: 1fr;
  }

  .session-summary { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .impersonation-banner { align-items:flex-start; flex-direction:column; }
  .exam-header,.exam-header-stats { align-items:stretch; flex-direction:column; }.exam-header-stats{display:grid;grid-template-columns:repeat(3,1fr)}.exam-header-stats>div{min-width:0;padding:.5rem}.exam-layout{grid-template-columns:1fr}.exam-sidebar{order:2}.question-navigator{grid-template-columns:repeat(5,1fr)}.exam-toolbar{justify-content:space-between}.wallet-hero{grid-template-columns:1fr}.wallet-breakdown{grid-template-columns:1fr 1fr}.history-item summary{align-items:flex-start;flex-direction:column}

  .hero h1,
  .dashboard-hero h1,
  .page-head h1 {
    font-size: 2.35rem;
  }

  .wallet-orb,
  .limit-chip {
    width: 100%;
    min-height: 100px;
    border-radius: var(--radius);
  }

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

  .cart-row,
  .mini-row {
    grid-template-columns: 1fr;
  }

  .row-actions {
    justify-content: flex-start;
  }

  .inline-form,
  .coin-form input,
  .order-form input {
    width: 100%;
  }

  th,
  td {
    min-width: 120px;
  }
}