:root {
  color-scheme: dark;
  --bg: #0a0a0a;
  --panel: #111111;
  --panel-border: #1a1a1a;
  --text: #f5f5f5;
  --muted: #888888;
  --accent: #f5f5f5;
  --bone: #e8e6e3;
  --graphite: #2a2a2a;
  --good: #f5f5f5;
  --warn: #cccccc;
  --bad: #666666;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

* { 
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  letter-spacing: -0.01em;
}

button, input, textarea, select { 
  font: inherit; 
  border: 0;
  background: none;
  color: inherit;
}

button {
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  padding: 0.6rem 1rem;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-weight: 500;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.05em;
  transition: all 0.15s ease;
}

button:hover {
  background: var(--graphite);
  border-color: var(--muted);
}

button.secondary {
  background: transparent;
  border-color: var(--panel-border);
}

button.secondary:hover {
  background: var(--panel);
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

input, select {
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  padding: 0.6rem 0.8rem;
  background: var(--panel);
  color: var(--text);
  font-size: 14px;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--muted);
}

.muted-inline {
  color: var(--muted);
  font-size: 13px;
}

.shell {
  max-width: 1440px;
  margin: 0 auto;
  padding: 48px 32px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: flex-start;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--panel-border);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  color: var(--muted);
  margin: 0 0 12px;
  font-weight: 600;
}

h1 {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 8px;
}

h2 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

h3 {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
}

p {
  margin: 0;
}

.subtitle, .generated-at {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 0;
  padding: 24px;
}

.panel-span-2 { grid-column: span 2; }
.panel-span-3 { grid-column: span 3; }

.panel-title-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--panel-border);
}

.badge {
  border: 1px solid var(--panel-border);
  border-radius: 0;
  padding: 0.35rem 0.7rem;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--bg);
}

.badge.good {
  border-color: var(--good);
  color: var(--good);
}

.badge.warn {
  border-color: var(--warn);
  color: var(--warn);
}

.badge.bad {
  border-color: var(--bad);
  color: var(--bad);
}

.badge.neutral {
  border-color: var(--panel-border);
  color: var(--muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.stats-grid-wide {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.stat-card, .cost-card {
  padding: 16px;
  border: 1px solid var(--panel-border);
  background: var(--bg);
}

.stat-card .label, .cost-card .label {
  color: var(--muted);
  font-size: 11px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.stat-card .value, .cost-card .value {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.toolbar input, .toolbar select {
  flex: 1;
}

.auth-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 20px;
  align-items: start;
}

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

.auth-form input {
  min-width: 180px;
  flex: 1;
}

.auth-form button {
  white-space: nowrap;
}

.phrase-table {
  display: grid;
  gap: 16px;
  max-height: 800px;
  overflow: auto;
  padding-right: 4px;
}

.phrase-table::-webkit-scrollbar {
  width: 6px;
}

.phrase-table::-webkit-scrollbar-track {
  background: var(--bg);
}

.phrase-table::-webkit-scrollbar-thumb {
  background: var(--panel-border);
  border-radius: 0;
}

.phrase-card {
  border: 1px solid var(--panel-border);
  padding: 20px;
  background: var(--bg);
  display: grid;
  gap: 16px;
  transition: border-color 0.15s ease;
}

.phrase-card:hover {
  border-color: var(--muted);
}

.phrase-card-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.phrase-id {
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.phrase-card h3 {
  margin-bottom: 0;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.phrase-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.phrase-meta div {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 10px 12px;
}

.phrase-meta span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.phrase-meta strong {
  font-size: 13px;
  font-weight: 500;
}

.phrase-notes {
  color: var(--muted);
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.5;
}

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

.chip {
  border: 1px solid var(--panel-border);
  padding: 0.3rem 0.65rem;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  background: var(--bg);
}

.chip-on {
  border-color: var(--good);
  color: var(--good);
  background: transparent;
}

.chip-off {
  border-color: var(--panel-border);
  color: var(--muted);
  opacity: 0.5;
}

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

.cost-cards {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.mini-notes {
  display: grid;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.cost-section {
  display: grid;
  gap: 8px;
}

.cost-section strong {
  color: var(--text);
  font-weight: 500;
}

.score-wrap {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  align-items: center;
}

.score-ring {
  width: 140px;
  height: 140px;
  border: 2px solid var(--panel-border);
  display: grid;
  place-items: center;
  background: var(--bg);
  position: relative;
}

.score-ring::after {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px solid var(--panel-border);
  background: var(--panel);
}

.score-ring span {
  position: relative;
  z-index: 1;
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.score-breakdown {
  display: grid;
  gap: 12px;
}

.breakdown-item {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
  gap: 16px;
}

.breakdown-item strong {
  color: var(--text);
  font-weight: 500;
}

.issues-list {
  display: grid;
  gap: 16px;
}

.issue-card {
  border: 1px solid var(--panel-border);
  padding: 20px;
  background: var(--bg);
}

.issue-card h3 {
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 500;
}

.issue-card p {
  color: var(--muted);
  margin-bottom: 12px;
  white-space: pre-wrap;
  font-size: 14px;
  line-height: 1.6;
}

.issue-card .remediation {
  color: var(--text);
}

.empty-state {
  color: var(--muted);
  padding: 24px 0;
  text-align: center;
  font-size: 14px;
}

@media (max-width: 1260px) {
  .stats-grid-wide, .phrase-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1100px) {
  .grid {
    grid-template-columns: 1fr;
  }
  .panel-span-2, .panel-span-3 {
    grid-column: span 1;
  }
  .hero, .score-wrap {
    grid-template-columns: 1fr;
    display: grid;
  }
}

@media (max-width: 720px) {
  .toolbar, .phrase-meta, .auth-grid {
    grid-template-columns: 1fr;
    display: grid;
  }
  .stats-grid, .stats-grid-wide {
    grid-template-columns: 1fr;
  }
  .shell {
    padding: 32px 20px;
  }
  h1 {
    font-size: 24px;
  }
}