:root {
  --sol-surface-default: #ffffff;
  --sol-surface-subdued: #eff3f4;
  --sol-surface-whisper: #f2f6f7;
  --sol-surface-secondary: #dce2e5;
  --sol-surface-primary: #0e1d23;
  --sol-surface-primary-hover: #172a33;
  --sol-surface-secondary-btn: rgba(62,119,139,0.16);
  --sol-surface-interaction-default: #e7f4f9;
  --sol-surface-overlay-l1: rgba(59,116,136,0.04);
  --sol-surface-overlay-l2: rgba(59,116,136,0.08);
  --sol-text-default: #0e1d23;
  --sol-text-subdued: #3c535c;
  --sol-text-tertiary: #5d7078;
  --sol-text-placeholder: #919da2;
  --sol-text-reversed: #ffffff;
  --sol-text-interaction-default: #16799b;
  --sol-stroke-default: #cad1d5;
  --sol-stroke-subdued: #dce2e5;
  --sol-stroke-strong: #919da2;
  --sol-stroke-interaction: #16799b;
  --sol-icon-default: #0e1d23;
  --sol-icon-subdued: #5d7078;
  --sol-icon-tertiary: #919da2;
  --sol-icon-interaction: #16799b;
  --sol-danger-bg: #fef6f8;   --sol-danger-text: #922842;   --sol-danger-strong: #c03c5e;
  --sol-warning-bg: #fff8f4;  --sol-warning-text: #8d3301;  --sol-warning-strong: #be4501;
  --sol-success-bg: #ecfdf5;  --sol-success-text: #065c3c;  --sol-success-strong: #067d4c;
  --sol-tonal-science-bg: #e8f4ff; --sol-tonal-science-text: #125190;
  --sol-tonal-amber-bg: #fff3cc;   --sol-tonal-amber-text: #684b01;
  --sol-tonal-lima-bg: #e5f9d2;    --sol-tonal-lima-text: #365911;
  --sol-tonal-atoll-bg: #d7fafa;   --sol-tonal-atoll-text: #085959;
  --sol-tonal-royal-bg: #eef2fd;   --sol-tonal-royal-text: #2f4a9f;
  --sol-tonal-violet-bg: #faeffe;  --sol-tonal-violet-text: #7d259a;
  --sol-tonal-clay-bg: #f8f2f2;    --sol-tonal-clay-text: #754144;
  --sol-tonal-sand-bg: #f9f2ec;    --sol-tonal-sand-text: #584e47;
  --sol-shadow-xs: 0 1px 2px rgba(14,29,35,0.06);
  --sol-shadow-sm: 0 1px 3px rgba(14,29,35,0.08), 0 1px 2px rgba(14,29,35,0.04);
  --sol-shadow-md: 0 4px 6px rgba(14,29,35,0.06), 0 2px 4px rgba(14,29,35,0.04);
  --sol-shadow-lg: 0 10px 15px rgba(14,29,35,0.06), 0 4px 6px rgba(14,29,35,0.03);
  --sol-radius-sm: 4px;
  --sol-radius-md: 6px;
  --sol-radius-lg: 8px;
  --sol-radius-xl: 12px;
  --sol-radius-full: 9999px;
  --sol-transition: 200ms ease;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 14px;
  line-height: 1.428;
  color: var(--sol-text-default);
  background: var(--sol-surface-subdued);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-weight: 400; letter-spacing: -0.02em; margin: 0; color: var(--sol-text-default); }

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 20;
  font-size: 20px; vertical-align: middle; user-select: none;
  color: var(--sol-icon-subdued);
}
.logo-svg { display: block; flex-shrink: 0; }

/* ---------- shell ---------- */
.page-shell { display: flex; flex-direction: column; min-height: 100vh; background: var(--sol-surface-subdued); }
.topnav {
  background: var(--sol-surface-default);
  border-bottom: 1px solid var(--sol-stroke-subdued);
  padding: 0 24px; height: 56px;
  display: flex; align-items: center; gap: 24px;
  position: sticky; top: 0; z-index: 40;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-name { font-size: 14px; font-weight: 500; color: var(--sol-text-default); white-space: nowrap; }
.nav-tabs { display: flex; align-items: center; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-item {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; font-size: 14px; font-weight: 500;
  color: var(--sol-text-subdued); cursor: pointer;
  background: none; border: none; font-family: inherit;
  border-radius: var(--sol-radius-md); white-space: nowrap;
  transition: all var(--sol-transition);
}
.nav-item:hover { background: var(--sol-surface-overlay-l1); color: var(--sol-text-default); }
.nav-item.active { background: var(--sol-surface-interaction-default); color: var(--sol-text-interaction-default); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.page-content { padding: 24px; flex: 1; max-width: 1600px; width: 100%; margin: 0 auto; }

/* ---------- page header ---------- */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
.page-title { font-size: 24px; line-height: 32px; }
.page-meta { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--sol-text-tertiary); margin-top: 4px; flex-wrap: wrap; }
.page-meta .sep { color: var(--sol-stroke-default); }
.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* ---------- buttons ---------- */
.btn-primary, .btn-secondary, .btn-outline, .btn-ghost {
  border-radius: var(--sol-radius-md); height: 36px; padding: 0 16px;
  font-size: 14px; font-weight: 500; font-family: inherit; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px; border: none;
  transition: all var(--sol-transition); white-space: nowrap;
}
.btn-primary { background: var(--sol-surface-primary); color: #fff; }
.btn-primary:hover { background: var(--sol-surface-primary-hover); }
.btn-primary .material-symbols-outlined { color: #fff; font-size: 18px; }
.btn-secondary { background: var(--sol-surface-secondary-btn); color: var(--sol-text-default); }
.btn-secondary:hover { background: rgba(62,119,139,0.22); }
.btn-secondary .material-symbols-outlined { color: var(--sol-icon-default); font-size: 18px; }
.btn-outline { background: transparent; color: var(--sol-text-default); border: 1px solid var(--sol-stroke-default); }
.btn-outline:hover { background: var(--sol-surface-overlay-l1); }
.btn-outline .material-symbols-outlined { font-size: 18px; }
.btn-ghost { background: transparent; color: var(--sol-text-interaction-default); padding: 0 8px; }
.btn-ghost:hover { background: var(--sol-surface-overlay-l1); }
.btn-ghost .material-symbols-outlined { color: var(--sol-icon-interaction); font-size: 18px; }
.btn-sm { height: 28px; padding: 0 10px; font-size: 13px; }
.btn-icon {
  width: 32px; height: 32px; background: transparent; border: none;
  border-radius: var(--sol-radius-md); display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--sol-transition);
}
.btn-icon:hover { background: var(--sol-surface-overlay-l1); }
.btn-icon:hover .material-symbols-outlined { color: var(--sol-icon-default); }
.btn-icon .material-symbols-outlined { font-size: 18px; }

/* ---------- cards ---------- */
.card { background: var(--sol-surface-default); border-radius: var(--sol-radius-xl); padding: 24px; }
.card--compact { padding: 16px; }
.card-header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding-bottom: 16px; border-bottom: 1px solid var(--sol-stroke-subdued); margin-bottom: 16px;
}
.card-title { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
.card-sub { font-size: 12px; color: var(--sol-text-tertiary); margin-top: 2px; font-weight: 400; }

/* ---------- KPI ---------- */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 24px; }
.metric-card { background: var(--sol-surface-default); border-radius: var(--sol-radius-xl); padding: 24px; }
.metric-label { font-size: 12px; color: var(--sol-text-subdued); margin-bottom: 4px; }
.metric-value { font-size: 30px; font-weight: 500; line-height: 1; letter-spacing: -0.02em; }
.metric-value .unit { font-size: 16px; font-weight: 400; color: var(--sol-text-tertiary); letter-spacing: 0; }
.metric-foot { font-size: 12px; font-weight: 500; margin-top: 8px; }
.trend-up { color: var(--sol-success-strong); }
.trend-down { color: var(--sol-danger-strong); }
.trend-flat { color: var(--sol-text-tertiary); }

/* ---------- badges ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  height: 20px; padding: 0 8px; border-radius: var(--sol-radius-sm);
  font-size: 12px; font-weight: 500; white-space: nowrap; border: none; outline: none;
}
.badge-science { background: var(--sol-tonal-science-bg); color: var(--sol-tonal-science-text); }
.badge-amber   { background: var(--sol-tonal-amber-bg);   color: var(--sol-tonal-amber-text); }
.badge-lima    { background: var(--sol-tonal-lima-bg);    color: var(--sol-tonal-lima-text); }
.badge-atoll   { background: var(--sol-tonal-atoll-bg);   color: var(--sol-tonal-atoll-text); }
.badge-royal   { background: var(--sol-tonal-royal-bg);   color: var(--sol-tonal-royal-text); }
.badge-violet  { background: var(--sol-tonal-violet-bg);  color: var(--sol-tonal-violet-text); }
.badge-clay    { background: var(--sol-tonal-clay-bg);    color: var(--sol-tonal-clay-text); }
.badge-sand    { background: var(--sol-tonal-sand-bg);    color: var(--sol-tonal-sand-text); }
.badge-neutral { background: var(--sol-surface-secondary); color: var(--sol-text-subdued); }
.badge-success { background: var(--sol-success-bg); color: var(--sol-success-text); }
.badge-warning { background: var(--sol-warning-bg); color: var(--sol-warning-text); }
.badge-danger  { background: var(--sol-danger-bg);  color: var(--sol-danger-text); }

/* ---------- chips ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 4px; height: 28px; padding: 0 12px;
  border-radius: var(--sol-radius-md); font-size: 13px; font-weight: 400; cursor: pointer;
  transition: all var(--sol-transition); border: none;
  background: var(--sol-surface-default); color: var(--sol-text-subdued); font-family: inherit;
}
.chip.selected { background: var(--sol-surface-interaction-default); border: 1px solid var(--sol-stroke-interaction); color: var(--sol-text-interaction-default); }
.chip:hover:not(.selected) { background: var(--sol-surface-overlay-l1); color: var(--sol-text-default); }
.chip-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ---------- inputs ---------- */
.input, .select, textarea.input {
  height: 36px; border: 1px solid var(--sol-stroke-default); border-radius: var(--sol-radius-md);
  padding: 0 12px; font-size: 14px; font-family: inherit; color: var(--sol-text-default);
  background: var(--sol-surface-default); outline: none; width: 100%;
  transition: border-color var(--sol-transition);
}
textarea.input { height: auto; min-height: 72px; padding: 8px 12px; line-height: 1.428; resize: vertical; }
.input::placeholder { color: var(--sol-text-placeholder); }
.input:focus, .select:focus, textarea.input:focus {
  border-color: var(--sol-stroke-interaction); box-shadow: 0 0 0 3px rgba(22,121,155,0.15);
}
.select { appearance: none; background-image: none; cursor: pointer; padding-right: 32px; }
.select-wrap { position: relative; }
.select-wrap .material-symbols-outlined {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%); pointer-events: none; font-size: 18px;
}
.input-sm { height: 28px; font-size: 13px; padding: 0 8px; }
.field { margin-bottom: 16px; }
.field-label { font-size: 14px; font-weight: 500; display: block; margin-bottom: 6px; }
.field-description { font-size: 12px; color: var(--sol-text-subdued); margin-top: 4px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- table ---------- */
.table-container {
  background: var(--sol-surface-default); border-radius: var(--sol-radius-xl);
  overflow: hidden; overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; }
thead th {
  background: var(--sol-surface-whisper); padding: 10px 16px;
  font-size: 12px; font-weight: 600; color: var(--sol-text-subdued);
  text-align: left; border-bottom: 1px solid var(--sol-stroke-subdued); white-space: nowrap;
}
tbody td {
  padding: 10px 16px; font-size: 14px; color: var(--sol-text-default);
  border-bottom: 1px solid var(--sol-stroke-subdued); vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover td { background: var(--sol-surface-overlay-l1); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
th.num { text-align: right; }
.cell-primary { font-weight: 500; }
.cell-sub { font-size: 12px; color: var(--sol-text-tertiary); margin-top: 2px; }
.empty-state { padding: 40px 24px; text-align: center; color: var(--sol-text-tertiary); font-size: 14px; }

/* ---------- avatars ---------- */
.avatar {
  width: 24px; height: 24px; border-radius: var(--sol-radius-full);
  background: var(--sol-surface-secondary); display: inline-flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 600; color: var(--sol-text-subdued); flex-shrink: 0;
}
.avatar-lg { width: 32px; height: 32px; font-size: 12px; }
.avatar-stack { display: inline-flex; align-items: center; gap: 4px; }

/* ---------- grids ---------- */
.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; }
.grid-even-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.section { margin-bottom: 32px; }
.section:last-child { margin-bottom: 0; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.section-title { font-size: 18px; line-height: 28px; }

/* ---------- list rows ---------- */
.list-row {
  display: flex; align-items: flex-start; gap: 12px; padding: 12px 0;
  border-bottom: 1px solid var(--sol-stroke-subdued);
}
.list-row:last-child { border-bottom: none; }
.list-row:first-child { padding-top: 0; }
.list-grow { flex: 1; min-width: 0; }
.list-title { font-size: 14px; font-weight: 500; }
.list-sub { font-size: 12px; color: var(--sol-text-tertiary); margin-top: 2px; }

/* ---------- slide-over ---------- */
.scrim {
  position: fixed; inset: 0; background: rgba(14,29,35,0.32);
  z-index: 60; opacity: 0; pointer-events: none; transition: opacity var(--sol-transition);
}
.scrim.open { opacity: 1; pointer-events: auto; }
.panel {
  position: fixed; top: 0; right: 0; height: 100%; width: 520px; max-width: 100vw;
  background: var(--sol-surface-default); z-index: 61; box-shadow: var(--sol-shadow-lg);
  transform: translateX(100%); transition: transform var(--sol-transition);
  display: flex; flex-direction: column;
}
.panel.open { transform: translateX(0); }
.panel-header {
  padding: 16px 24px; border-bottom: 1px solid var(--sol-stroke-subdued);
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; flex-shrink: 0;
}
.panel-body { padding: 24px; overflow-y: auto; flex: 1; }
.panel-footer {
  padding: 16px 24px; border-top: 1px solid var(--sol-stroke-subdued);
  display: flex; align-items: center; justify-content: space-between; gap: 8px; flex-shrink: 0;
}
.panel-section { margin-bottom: 24px; }
.panel-section-title {
  font-size: 12px; font-weight: 600; color: var(--sol-text-subdued);
  margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--sol-stroke-subdued);
}

/* ---------- scorecard ---------- */
.person-tabs { display: flex; align-items: center; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.stat-tile { background: var(--sol-surface-whisper); border-radius: var(--sol-radius-lg); padding: 16px; }
.stat-tile .metric-label { margin-bottom: 4px; }
.stat-tile .metric-value { font-size: 24px; }
.tile-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.commit-row { display: flex; align-items: center; gap: 12px; padding: 8px 0; }
.check {
  width: 18px; height: 18px; border-radius: var(--sol-radius-sm);
  border: 1px solid var(--sol-stroke-default); background: var(--sol-surface-default);
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: all var(--sol-transition); padding: 0;
}
.check.on { background: var(--sol-surface-primary); border-color: var(--sol-surface-primary); }
.check .material-symbols-outlined { font-size: 14px; color: #fff; opacity: 0; }
.check.on .material-symbols-outlined { opacity: 1; }
.commit-text { flex: 1; font-size: 14px; }
.commit-text.done { color: var(--sol-text-tertiary); text-decoration: line-through; }

/* ---------- brief ---------- */
.brief-pre {
  font-family: 'Source Sans 3', sans-serif; font-size: 14px; line-height: 1.6;
  white-space: pre-wrap; color: var(--sol-text-default); margin: 0;
  max-width: 75ch;
}
.alert {
  background: var(--sol-surface-interaction-default); border-radius: var(--sol-radius-lg);
  padding: 12px 16px; display: flex; gap: 12px; align-items: flex-start; font-size: 14px;
  color: var(--sol-text-default); margin-bottom: 24px;
}
.alert .material-symbols-outlined { color: var(--sol-icon-interaction); flex-shrink: 0; }
.alert-warning { background: var(--sol-warning-bg); }
.alert-warning .material-symbols-outlined { color: var(--sol-warning-strong); }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: var(--sol-text-default); color: #fff; font-size: 13px; font-weight: 500;
  padding: 10px 16px; border-radius: var(--sol-radius-md); box-shadow: var(--sol-shadow-lg);
  z-index: 80; opacity: 0; transition: all var(--sol-transition); pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.save-status { font-size: 12px; color: var(--sol-text-tertiary); display: flex; align-items: center; gap: 4px; }
.save-status .material-symbols-outlined { font-size: 16px; }

.loading-wrap { padding: 80px 24px; text-align: center; color: var(--sol-text-tertiary); }

@media (max-width: 1200px) {
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-even-2 { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .kpi-row { grid-template-columns: 1fr; }
  .tile-row { grid-template-columns: repeat(2, 1fr); }
  .field-row { grid-template-columns: 1fr; }
  .panel { width: 100%; }
}

/* ---------- print ---------- */
@media print {
  @page { margin: 2cm; }
  body, .page-shell { background: var(--sol-surface-default); }
  .topnav, .header-actions, .alert, .scrim, .panel, .toast, .save-status { display: none !important; }
  .page-shell { min-height: 0; }
  .page-content { padding: 0; max-width: none; }
  .page-header { margin-bottom: 16px; }
  .card { padding: 0; border-radius: 0; }
  body[data-app-view="brief"] .card-header { display: none; }
  .brief-pre { max-width: none; font-size: 12pt; line-height: 1.5; }
}

/* ---------- phones ---------- */
@media (max-width: 720px) {
  .topnav { flex-wrap: wrap; height: auto; padding: 8px 12px; gap: 12px; row-gap: 4px; }
  .brand { order: 1; }
  .nav-right { order: 2; }
  .nav-tabs { order: 3; flex-basis: 100%; justify-content: space-between; }
  .nav-item { padding: 6px 8px; }
  .nav-item:not(.active) .nav-label { display: none; }
  .page-content { padding: 16px 12px; }
  .page-header { flex-wrap: wrap; gap: 12px; }
  .header-actions { flex-basis: 100%; flex-wrap: wrap; }
  .page-meta .sep { display: none; }
  .grid-2 > *, .grid-even-2 > * { min-width: 0; }
  .tile-row { grid-template-columns: repeat(2, 1fr) !important; }
  .tile-row > * { min-width: 0; }
  .table-container table { min-width: 720px; }
  .card, .metric-card { padding: 16px; }
}

/* ---------- login footer ---------- */
.login-footer { max-width: 420px; margin: 24px auto 0; text-align: center; font-size: 12px; color: var(--sol-text-tertiary); }
.login-footer a { color: var(--sol-text-interaction-default); text-decoration: none; }
.login-footer a:hover { text-decoration: underline; }