:root {
  color-scheme: light;
  --bg: #f8fbff;
  --panel: #ffffff;
  --ink: #222033;
  --muted: #667085;
  --line: #dce4f2;
  --pmi-aqua: #00b8c8;
  --pmi-aqua-soft: #dff9fb;
  --pmi-tangerine: #ff8f1c;
  --pmi-tangerine-soft: #fff0dc;
  --pmi-violet: #6f2dbd;
  --pmi-violet-soft: #efe7ff;
  --pmi-blue: #0052a5;
  --red: #a94442;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(0, 184, 200, 0.16), transparent 34%),
    radial-gradient(circle at 88% 8%, rgba(255, 143, 28, 0.14), transparent 28%),
    var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
select,
input {
  font: inherit;
}

.app-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar,
.section-head,
.controls,
.tabs,
.metrics {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar,
.section-head {
  justify-content: space-between;
}

.top-actions {
  display: flex;
  align-items: stretch;
  gap: 12px;
}

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

.eyebrow {
  margin: 0 0 4px;
  color: var(--pmi-blue);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 48px);
}

.title-icon {
  color: var(--pmi-tangerine);
}

.hero-note {
  margin: 8px 0 0;
  color: var(--muted);
}

h2 {
  margin-bottom: 4px;
}

p {
  color: var(--muted);
}

.streak-pill,
.account-chip {
  min-width: 112px;
  padding: 12px 16px;
  background: var(--panel);
  border: 2px solid var(--pmi-tangerine);
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 10px 24px rgba(255, 143, 28, 0.16);
}

.account-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-color: rgba(111, 45, 189, 0.24);
  color: var(--pmi-violet);
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(111, 45, 189, 0.12);
}

.pill-icon {
  display: block;
  font-size: 22px;
  line-height: 1;
}

.streak-pill span {
  display: block;
  color: var(--pmi-violet);
  font-size: 28px;
  font-weight: 800;
}

.streak-pill .pill-icon {
  color: inherit;
  font-size: 22px;
  font-weight: 400;
}

.controls {
  display: grid;
  grid-template-columns: auto minmax(210px, 280px) minmax(320px, 1fr);
  align-items: end;
  margin: 22px 0 14px;
  gap: 16px;
}

label {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

select,
.account-panel input {
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
}

.search-label {
  flex: 1 1 320px;
  min-width: min(420px, 100%);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 8px 0 12px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.search-box:focus-within {
  border-color: var(--pmi-aqua);
  box-shadow: 0 0 0 3px rgba(0, 184, 200, 0.14);
}

.search-box input {
  min-width: 0;
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.search-box button {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 6px;
  background: var(--pmi-violet-soft);
  color: var(--pmi-violet);
  cursor: pointer;
}

.exam-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  align-self: end;
  padding: 0 14px;
  background: var(--pmi-violet-soft);
  border: 1px solid rgba(111, 45, 189, 0.24);
  border-radius: 8px;
  color: var(--pmi-violet);
}

.tabs {
  margin-bottom: 16px;
  padding: 4px;
  background: #e9f6fb;
  border-radius: 8px;
}

.tab {
  min-height: 38px;
  padding: 0 16px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.tab.active {
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 4px 14px rgba(0, 82, 165, 0.12);
}

.panel {
  display: none;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(0, 82, 165, 0.08);
}

.panel.active {
  display: block;
}

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

.active-filter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 8px 10px;
  background: var(--pmi-tangerine-soft);
  border: 1px solid rgba(255, 143, 28, 0.28);
  border-radius: 8px;
  color: #8f4d00;
  font-size: 14px;
  font-weight: 700;
}

.active-filter[hidden] {
  display: none;
}

.active-filter button {
  width: 26px;
  height: 26px;
  border: 0;
  border-radius: 6px;
  background: #ffffff;
  color: #8f4d00;
  cursor: pointer;
}

.term-card,
.topic-card,
.fast-card,
.fast-task,
.vocab-card,
.practice-card,
.metrics article {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.topic-card {
  width: 100%;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.topic-card:hover {
  border-color: var(--pmi-tangerine);
  box-shadow: 0 10px 24px rgba(255, 143, 28, 0.14);
}

.fast-track-content {
  display: grid;
  gap: 16px;
}

.fast-hero {
  padding: 16px;
  border: 1px solid rgba(111, 45, 189, 0.18);
  border-radius: 8px;
  background: linear-gradient(135deg, var(--pmi-violet-soft), #ffffff);
}

.fast-focus,
.keyword-row,
.mindset-row,
.schedule-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.fast-focus span,
.keyword-row span,
.mindset-row span,
.schedule-grid span {
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--pmi-aqua-soft);
  color: var(--pmi-blue);
  font-size: 13px;
  font-weight: 800;
}

.fast-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.fast-card h3,
.fast-task h3,
.vocab-card h4 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fast-card ul,
.fast-task ol,
.fast-task ul,
.vocab-card ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.fast-card li,
.fast-task li,
.vocab-card li {
  margin-bottom: 8px;
}

.vocab-card h4 {
  margin: 0 0 8px;
  color: var(--pmi-violet);
}

.vocab-card p {
  margin: 0;
}

.fast-mindset {
  margin: 12px 0 0;
  padding: 10px;
  border-radius: 8px;
  background: var(--pmi-tangerine-soft);
  color: #8f4d00;
  font-weight: 700;
}

.phrase-row span {
  background: var(--pmi-violet-soft);
  color: var(--pmi-violet);
}

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

.practice-card {
  padding: 0;
  overflow: hidden;
}

.practice-card summary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 800;
}

.practice-card summary span {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--pmi-aqua-soft);
  color: var(--pmi-blue);
  font-size: 12px;
  white-space: nowrap;
}

.option-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0 16px 12px;
  list-style: none;
}

.option-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: start;
  margin: 0;
  padding: 9px 10px;
  border-radius: 8px;
  background: #f8fafc;
}

.option-list span,
.answer-badge {
  color: var(--pmi-violet);
  font-weight: 900;
}

.practice-answer {
  margin: 0 16px 12px;
  padding: 12px;
  border-radius: 8px;
  background: var(--pmi-tangerine-soft);
}

.practice-answer p {
  margin: 8px 0 0;
}

.practice-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 16px 16px;
}

.practice-meta span {
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--pmi-violet-soft);
  color: var(--pmi-violet);
  font-size: 12px;
  font-weight: 800;
}

.term-card header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.term-title {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.cute-icon,
.section-icon,
.metric-icon {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--pmi-aqua-soft);
  font-size: 18px;
}

.section-icon {
  margin-right: 8px;
  vertical-align: middle;
}

.section-icon.aqua,
.cute-icon.aqua {
  background: var(--pmi-aqua-soft);
  color: var(--pmi-blue);
}

.section-icon.tangerine,
.cute-icon.tangerine {
  background: var(--pmi-tangerine-soft);
  color: #9a4f00;
}

.section-icon.violet,
.cute-icon.violet {
  background: var(--pmi-violet-soft);
  color: var(--pmi-violet);
}

.term-card h3 {
  margin-bottom: 8px;
}

.tag-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.tag {
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--pmi-aqua-soft);
  color: var(--pmi-blue);
  font-size: 12px;
  font-weight: 800;
}

.review-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.review-actions button,
.ghost,
.danger,
.primary {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  cursor: pointer;
}

.primary {
  background: var(--pmi-violet);
  color: #ffffff;
  border-color: var(--pmi-violet);
}

.review-actions button:hover,
.ghost:hover {
  border-color: var(--pmi-aqua);
}

.review-actions button[data-rating="missed"] {
  color: var(--red);
}

.review-actions button[data-rating="hard"] {
  color: #9a4f00;
}

.review-actions button[data-rating="good"] {
  color: var(--pmi-blue);
}

.review-actions button[data-rating="easy"] {
  color: var(--pmi-violet);
}

.danger {
  color: var(--red);
}

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

.metrics {
  align-items: stretch;
  flex-wrap: wrap;
}

.metrics article {
  min-width: 160px;
  position: relative;
}

.metrics strong {
  display: block;
  font-size: 28px;
  color: var(--pmi-violet);
}

.metrics span {
  color: var(--muted);
}

.weights {
  display: grid;
  gap: 10px;
}

.weight-row {
  display: grid;
  grid-template-columns: 170px 1fr 48px;
  align-items: center;
  gap: 10px;
}

.bar {
  height: 10px;
  overflow: hidden;
  background: #edf2fb;
  border-radius: 999px;
}

.bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--pmi-aqua), var(--pmi-tangerine), var(--pmi-violet));
}

.note {
  max-width: 620px;
}

.account-panel {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(140px, 220px) auto;
  gap: 12px;
  align-items: end;
  margin: 12px 0 16px;
  padding: 14px;
  background: #fbfcff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

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

.sync-status {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 14px;
}

@media (max-width: 700px) {
  .app-shell {
    padding: 16px;
  }

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

  .top-actions {
    width: 100%;
  }

  .account-chip,
  .streak-pill {
    flex: 1;
  }

  .controls,
  .account-panel {
    grid-template-columns: 1fr;
  }

  .tabs {
    overflow-x: auto;
  }

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

  .weight-row {
    grid-template-columns: 1fr;
  }
}