:root {
  --bg: #eef2f6;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #667085;
  --line: #d7dde5;
  --primary: #0b1730;
  --primary-2: #15264a;
  --soft: #f5f7fb;
  --focus: #0b57d0;
  --focus-ring: rgba(11,87,208,.28);
  --success: #137333;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}

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

body {
  min-height: 100vh;
  line-height: 1.5;
}

.app-shell {
  min-height: 100vh;
  padding: 18px 14px 110px;
}

.container {
  max-width: 980px;
  margin: 0 auto;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 1px 2px rgba(16,24,40,.03);
}

.hero-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 18px 20px;
  margin-bottom: 14px;
}

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

.hero-chip {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.hero-title {
  margin: 12px 0 8px;
  font-size: clamp(30px,5vw,52px);
  line-height: 1.08;
}

.hero-description {
  margin: 0;
  color: #475467;
  line-height: 1.6;
  font-size: 14px;
  max-width: 720px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 12px;
  margin-bottom: 14px;
}

.card-content,
.card-header {
  padding: 16px;
}

.card-header {
  padding-bottom: 0;
}

.card-title {
  margin: 0;
  font-size: 26px;
}

.card-description,
.custom-metric-description,
.empty-text,
.empty-state {
  color: #475467;
  line-height: 1.6;
}

.stat-title {
  color: #344054;
  font-size: 13px;
  font-weight: 600;
}

.stat-value {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.1;
  margin-top: 10px;
}

.stat-sub {
  color: #475467;
  font-size: 13px;
  margin-top: 6px;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 8px;
  border-radius: 24px;
  margin-bottom: 14px;
}

.tab {
  height: 52px;
  border: 2px solid transparent;
  border-radius: 18px;
  background: transparent;
  color: #344054;
  font-weight: 700;
  cursor: pointer;
}

.tab-active,
.tab[aria-selected="true"] {
  background: var(--primary);
  color: #fff;
}

.tab-panel {
  display: none;
  gap: 14px;
}

.tab-panel.active {
  display: grid;
}

.top-form-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 12px;
  align-items: end;
}

.top-form-grid-3 {
  grid-template-columns: 180px 180px 1fr;
}

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

.input,
.textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 18px;
  padding: 14px 16px;
  color: var(--text);
}

.input {
  height: 52px;
}

.textarea {
  min-height: 108px;
  resize: vertical;
}

.label-text {
  display: inline-block;
  margin-bottom: 8px;
  font-weight: 700;
  font-size: 14px;
  color: #344054;
}

.btn {
  min-height: 52px;
  border-radius: 18px;
  border: 1px solid transparent;
  padding: 0 16px;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform .14s ease,
    box-shadow .18s ease,
    background-color .18s ease,
    border-color .18s ease,
    color .18s ease,
    opacity .18s ease;
}

.btn-default {
  background: var(--primary);
  color: #fff;
}

.btn-default:hover {
  background: var(--primary-2);
}

.btn-outline {
  background: #fff;
  color: var(--text);
  border: 2px solid var(--line);
}

.btn-outline:hover {
  background: var(--soft);
}

.btn-secondary {
  background: var(--soft);
  color: var(--text);
  border: 1px solid var(--line);
}

.csv-btn {
  min-width: 74px;
}

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

.score-card .card-content {
  padding: 16px;
}

.score-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.score-title {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
}

.score-description {
  margin: 4px 0 0;
  font-size: 13px;
  color: #475467;
}

.score-number-input {
  width: 86px;
  text-align: center;
  padding-left: 6px;
  padding-right: 6px;
  font-weight: 700;
}

.score-body {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}

.score-range {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg,#cfd8e6 0%,#dde5ef 100%);
  outline: none;
  cursor: pointer;
}

.score-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #fff;
  box-shadow: 0 2px 8px rgba(15,23,42,.25);
  cursor: pointer;
}

.score-range::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid #fff;
  box-shadow: 0 2px 8px rgba(15,23,42,.25);
  cursor: pointer;
}

.score-buttons-grid {
  display: grid;
  grid-template-columns: repeat(7,1fr);
  gap: 8px;
}

.mini-btn {
  height: 44px;
  padding: 0;
}

.stack {
  display: grid;
  gap: 14px;
}

.field-block {
  display: block;
}

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

.chip-btn {
  min-height: 40px;
  border-radius: 999px;
}

.tag-preset-wrap {
  margin-top: 10px;
}

.tag-chip {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 13px;
}

.chart-wrap {
  width: 100%;
  height: 380px;
  min-height: 380px;
}

.chart-summary {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.chart-summary-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #344054;
  font-size: 14px;
}

.chart-line-swatch {
  width: 28px;
  height: 0;
  border-top-width: 4px;
  border-top-style: solid;
  border-radius: 999px;
  flex: 0 0 auto;
}

.chart-line-swatch.dashed {
  border-top-style: dashed;
}

.access-note,
.quick-note,
.mini-note {
  font-size: 13px;
  color: #475467;
  line-height: 1.6;
}

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

.analysis-stack {
  display: grid;
  gap: 10px;
}

.analysis-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}

.analysis-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.analysis-label {
  font-weight: 700;
  color: #344054;
}

.analysis-sub {
  color: #475467;
  font-size: 13px;
}

.table-like {
  width: 100%;
  border-collapse: collapse;
  min-width: 280px;
}

.table-like th,
.table-like td {
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
}

.table-like th {
  color: #475467;
  font-weight: 700;
}

.record-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: start;
}

.record-main {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.record-header {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.record-date {
  margin: 0;
  font-weight: 800;
  font-size: 18px;
}

.record-meta {
  color: #475467;
  font-size: 13px;
  margin: 6px 0 0;
}

.record-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.record-preview {
  color: #475467;
  line-height: 1.6;
  margin: 12px 0 0;
}

.delete-btn {
  min-width: 72px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  border: 2px solid transparent;
}

.badge-muted {
  background: #f6f8fb;
  color: var(--text);
  border-color: #bfc7d4;
}

.custom-metric-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.custom-metric-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.custom-metric-title {
  margin: 0;
  font-weight: 800;
}

.bottom-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 14px 18px;
  background: rgba(238,242,246,.9);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(215,221,229,.8);
}

.bottom-bar-inner {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.save-btn {
  width: 100%;
}

.bottom-csv-btn {
  min-width: 72px;
  display: none;
}

.btn.is-saved {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(22,163,74,.22);
}

.save-notice {
  max-width: 980px;
  margin: 10px auto 0;
  color: #166534;
  font-size: 14px;
  font-weight: 700;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .18s ease, transform .18s ease;
}

.save-notice.show {
  opacity: 1;
  transform: translateY(0);
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  background: #fff;
  color: #0f172a;
  border: 2px solid var(--focus);
  border-radius: 12px;
  padding: 10px 14px;
  z-index: 2000;
  text-decoration: none;
  font-weight: 700;
}

.skip-link:focus {
  top: 12px;
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.card,
.hero-card,
.tab,
.btn,
.score-range,
.input,
.textarea,
.record-main {
  transition:
    transform .14s ease,
    box-shadow .18s ease,
    background-color .18s ease,
    border-color .18s ease,
    color .18s ease,
    opacity .18s ease;
}

.card:hover,
.hero-card:hover {
  box-shadow: 0 8px 28px rgba(15,23,42,.08);
}

.btn:active,
.tab:active,
.record-main:active {
  transform: translateY(1px) scale(.995);
}

.score-range:active::-webkit-slider-thumb {
  transform: scale(1.08);
}

.score-range:active::-moz-range-thumb {
  transform: scale(1.08);
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.tab:focus-visible,
.record-main:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px var(--focus-ring);
}

.is-hidden-quick {
  display: none !important;
}

.tag-template-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.subtle-btn {
  min-height: 36px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}

@media (max-width: 900px) {
  .stats-grid,
  .score-grid,
  .top-form-grid,
  .top-form-grid-3,
  .two-buttons,
  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .hero-card {
    flex-direction: column;
  }

  .hero-title {
    font-size: 34px;
  }
}

@media (max-width: 640px) {
  .app-shell {
    padding: 12px 10px 104px;
  }

  .hero-card,
  .card,
  .tabs {
    border-radius: 20px;
  }

  .tabs {
    gap: 6px;
  }

  .tab {
    height: 48px;
    font-size: 14px;
  }

  .score-title {
    font-size: 22px;
  }

  .score-header {
    flex-direction: column;
    align-items: stretch;
  }

  .score-number-input {
    width: 100%;
  }

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

  .bottom-csv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .csv-btn {
    display: none;
  }

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

  .delete-btn {
    width: 100%;
  }

  .custom-metric-row {
    flex-direction: column;
    align-items: stretch;
  }
}