/* ========================================================================
   Design tokens
   ======================================================================== */
:root {
  --bg: #f6f8fb;
  --bg-grad: radial-gradient(1200px 600px at -10% -20%, #e0f2ef 0%, transparent 60%),
             radial-gradient(900px 500px at 110% -10%, #dbeafe 0%, transparent 55%),
             #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --surface-elevated: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --text-soft: #334155;
  --muted: #64748b;
  --muted-soft: #94a3b8;

  --accent: #0d9488;
  --accent-strong: #0f766e;
  --accent-soft: #ccfbf1;
  --accent-grad: linear-gradient(135deg, #14b8a6 0%, #0d9488 50%, #0f766e 100%);

  --danger: #b42318;
  --danger-soft: #fee4e2;
  --warning: #b54708;
  --warning-soft: #fef0c7;
  --info: #1d4ed8;
  --info-soft: #dbeafe;
  --success: #027a48;
  --success-soft: #d1fadf;

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow: 0 4px 6px rgba(15, 23, 42, 0.04), 0 10px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12), 0 24px 48px rgba(15, 23, 42, 0.08);

  --font-sans: "Inter", "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Mono", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-width: 320px;
}

body {
  color: var(--text);
  background: var(--bg-grad);
  font-family: var(--font-sans);
  font-feature-settings: "cv02", "cv03", "cv04", "ss01";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

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

/* ========================================================================
   Buttons
   ======================================================================== */
button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.005em;
  transition: transform 0.12s ease, background 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

button:disabled {
  cursor: wait;
  opacity: 0.55;
  transform: none !important;
}

.primary {
  color: #ffffff;
  background: var(--accent-grad);
  box-shadow: 0 1px 2px rgba(13, 148, 136, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(13, 148, 136, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.primary:active {
  transform: translateY(0);
}

.secondary {
  color: var(--text-soft);
  background: var(--surface);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.secondary:hover {
  background: var(--surface-soft);
  border-color: var(--border-strong);
  color: var(--text);
}

/* ========================================================================
   Layout
   ======================================================================== */
.app-shell {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: relative;
  padding: 24px 20px;
  border-right: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(15, 118, 110, 0.04) 0%, transparent 30%),
    rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 22px;
}

.brand-mark {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 12px;
  color: #ffffff;
  background: var(--accent-grad);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.02em;
  box-shadow: 0 6px 16px rgba(13, 148, 136, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.brand h1 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
}

.brand p,
.panel p,
#resultMeta,
#similarMeta {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 500;
}

.workspace {
  padding: 24px 28px;
  min-width: 0;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 20px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.15);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.15); }
  50%      { box-shadow: 0 0 0 7px rgba(13, 148, 136, 0.05); }
}

.toolbar h2 {
  margin: 6px 0 0;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

/* ========================================================================
   Panels / cards
   ======================================================================== */
.panel,
.query-surface {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.panel {
  padding: 18px;
}

.panel.compact {
  margin-bottom: 14px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.panel-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

/* ========================================================================
   Query surface
   ======================================================================== */
.query-surface {
  padding: 20px;
  margin-bottom: 20px;
}

.query-surface > label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.controls label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

textarea,
input,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  background: #ffffff;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

textarea:hover,
input:hover,
select:hover {
  border-color: var(--border-strong);
}

textarea:focus,
input:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

textarea {
  resize: vertical;
  min-height: 82px;
  padding: 12px 14px;
  font-size: 14.5px;
  line-height: 1.5;
}

input,
select {
  min-height: 40px;
  padding: 0 12px;
  font-size: 13.5px;
}

.controls {
  display: grid;
  grid-template-columns: 150px minmax(160px, 1fr) 130px 130px 90px auto auto;
  gap: 10px;
  align-items: end;
  margin-top: 14px;
}

/* ========================================================================
   Content grid
   ======================================================================== */
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(320px, 0.8fr);
  gap: 18px;
  align-items: start;
}

.right-stack {
  display: grid;
  gap: 18px;
}

/* ========================================================================
   Results table
   ======================================================================== */
.table-wrap {
  overflow: auto;
  max-height: calc(100vh - 280px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

table {
  width: 100%;
  min-width: 880px;
  border-collapse: separate;
  border-spacing: 0;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
  font-size: 13.5px;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  color: var(--muted);
  background: var(--surface-soft);
  border-bottom: 1px solid var(--border-strong);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

tbody tr {
  transition: background 0.1s ease;
}

tbody tr:hover {
  background: var(--surface-soft);
}

tbody tr:last-child td {
  border-bottom: none;
}

td.feedback {
  min-width: 360px;
  line-height: 1.5;
  color: var(--text-soft);
}

/* ========================================================================
   Risk pills
   ======================================================================== */
.risk {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-width: 74px;
  justify-content: center;
  border-radius: 999px;
  padding: 3px 10px;
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
}

.risk::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.risk-critical {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: rgba(180, 35, 24, 0.18);
}

.risk-high {
  color: var(--warning);
  background: var(--warning-soft);
  border-color: rgba(181, 71, 8, 0.18);
}

.risk-medium {
  color: var(--info);
  background: var(--info-soft);
  border-color: rgba(29, 78, 216, 0.18);
}

.risk-low {
  color: var(--success);
  background: var(--success-soft);
  border-color: rgba(2, 122, 72, 0.18);
}

/* ========================================================================
   Score
   ======================================================================== */
.score {
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* ========================================================================
   Sidebar metrics + issues
   ======================================================================== */
.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 14px 0 0;
}

.metrics div {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-soft) 100%);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.metrics div:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.metrics dt {
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.metrics dd {
  margin: 4px 0 0;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.issue-list,
.triage-list,
.similar-list {
  display: grid;
  gap: 8px;
}

.issue-row,
.triage-row,
.similar-row {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 12px;
  background: var(--surface);
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

.issue-row:hover,
.triage-row:hover,
.similar-row:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
  border-color: var(--border-strong);
}

.issue-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
  font-size: 13px;
}

.issue-row strong {
  font-weight: 600;
}

.issue-row span,
.triage-row span,
.similar-row span {
  color: var(--muted);
  font-size: 12px;
}

.triage-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px;
}

.triage-row strong {
  font-size: 13.5px;
  font-weight: 600;
}

.triage-row .score {
  font-size: 14px;
  color: var(--accent-strong);
}

.similar-row {
  display: grid;
  gap: 4px;
}

.similar-row strong {
  font-size: 13.5px;
  font-weight: 600;
}

.similar-row p {
  margin: 4px 0 0;
  line-height: 1.5;
  font-size: 13px;
  color: var(--text-soft);
}

.row-action {
  min-height: 30px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 600;
}

.empty {
  padding: 28px 18px;
  color: var(--muted);
  text-align: center;
  font-size: 13.5px;
}

.error {
  padding: 12px 14px;
  border: 1px solid #fecdca;
  border-radius: var(--radius-sm);
  color: var(--danger);
  background: linear-gradient(180deg, #fffbfa 0%, #fef3f2 100%);
  font-size: 13.5px;
  font-weight: 500;
}

/* ========================================================================
   Modal (vector inspector)
   ======================================================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 0.15s ease-out;
}

.modal[hidden] {
  display: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal-panel {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: min(760px, 100%);
  max-height: 90vh;
  overflow: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: slideUp 0.2s ease-out;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px) scale(0.99); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.modal-header .panel-title {
  font-size: 16px;
  text-transform: none;
  letter-spacing: -0.015em;
}

.modal-feedback {
  margin: 0;
  font-size: 13.5px;
  color: var(--text-soft);
  background: var(--surface-soft);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  border: 1px solid var(--border);
  line-height: 1.55;
}

.modal-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.modal-preview .panel-title {
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 11px;
  color: var(--muted);
}

.modal-preview pre {
  margin: 0;
  background: #0f172a;
  color: #e2e8f0;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  line-height: 1.6;
  font-family: var(--font-mono);
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
  border: 1px solid #1e293b;
}

.modal-preview pre.scroll {
  max-height: 220px;
}

/* Modal stats use the same .metrics grid but smaller */
#vectorModalStats {
  grid-template-columns: repeat(3, 1fr);
}

#vectorModalStats dd {
  font-size: 18px;
  font-family: var(--font-mono);
}

/* ========================================================================
   Custom scrollbar (WebKit + Firefox)
   ======================================================================== */
* {
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-track {
  background: transparent;
}

*::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 5px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

*::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
  background-clip: padding-box;
  border: 2px solid transparent;
}

/* ========================================================================
   Responsive
   ======================================================================== */
@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

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

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

@media (max-width: 640px) {
  .workspace,
  .sidebar {
    padding: 16px;
  }

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

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

  .modal-panel {
    padding: 18px;
  }

  #vectorModalStats {
    grid-template-columns: repeat(2, 1fr);
  }
}