:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-2: #eef3f2;
  --ink: #16211f;
  --muted: #63706c;
  --line: #d9e2df;
  --accent: #0f766e;
  --accent-strong: #0a5d57;
  --accent-soft: #dff4f1;
  --gold: #a56520;
  --rose: #a13d55;
  --blue: #3266a8;
  --shadow: 0 18px 50px rgba(24, 35, 32, 0.08);
  --radius: 8px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  letter-spacing: 0;
}

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

button {
  border: 0;
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: #101917;
  color: #f7fbfa;
  padding: 28px;
  overflow-y: auto;
}

.brand-block {
  margin-bottom: 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #6faeaa;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 0;
  font-size: 28px;
  line-height: 1.1;
}

h2 {
  margin-bottom: 0;
  font-size: 28px;
  line-height: 1.16;
}

h3 {
  margin-bottom: 6px;
  font-size: 20px;
}

.brief-form {
  display: grid;
  gap: 16px;
}

label,
legend {
  display: grid;
  gap: 7px;
  color: #dce9e6;
  font-size: 12px;
  font-weight: 750;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  color: #f7fbfa;
  padding: 10px 11px;
  outline: none;
}

textarea {
  min-height: 74px;
  resize: vertical;
}

select option {
  color: var(--ink);
}

input:focus,
textarea:focus,
select:focus {
  border-color: #63c8bf;
  box-shadow: 0 0 0 3px rgba(99, 200, 191, 0.18);
}

fieldset {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 14px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.tag-options {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.tag-option {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 9px;
  color: #f7fbfa;
  font-size: 13px;
  font-weight: 650;
}

.tag-option input {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  accent-color: #4dc9bf;
}

.tag-option small {
  display: block;
  margin-top: 2px;
  color: #a9bbb7;
  font-size: 11px;
  line-height: 1.35;
}

.action-row,
.filter-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.primary-button,
.secondary-button,
.ghost-button {
  min-height: 38px;
  border-radius: var(--radius);
  padding: 9px 13px;
  font-weight: 800;
  white-space: nowrap;
}

.primary-button {
  background: #4dc9bf;
  color: #071211;
}

.primary-button:hover {
  background: #69dbd2;
}

.secondary-button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
}

.secondary-button:hover {
  border-color: #9fb4ae;
}

.ghost-button {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: #f7fbfa;
}

.workspace {
  display: grid;
  grid-template-rows: auto auto 1fr;
  min-width: 0;
  padding: 28px;
  gap: 18px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(92px, 1fr));
  gap: 10px;
}

.summary-strip div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 12px 14px;
  box-shadow: var(--shadow);
}

.summary-strip span {
  display: block;
  font-size: 24px;
  font-weight: 850;
  line-height: 1;
}

.summary-strip small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
}

.tab-button {
  position: relative;
  background: transparent;
  color: var(--muted);
  padding: 11px 8px 13px;
  font-weight: 850;
  white-space: nowrap;
}

.tab-button.active {
  color: var(--ink);
}

.tab-button.active::after {
  position: absolute;
  right: 8px;
  bottom: -1px;
  left: 8px;
  height: 3px;
  border-radius: 2px 2px 0 0;
  background: var(--accent);
  content: "";
}

.tab-panel {
  display: none;
  min-width: 0;
}

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

.panel-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.panel-heading p {
  max-width: 760px;
  color: var(--muted);
  line-height: 1.55;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 940px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 14px;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-2);
  color: #30413d;
  font-size: 12px;
  font-weight: 850;
}

td {
  color: #273631;
  line-height: 1.48;
}

tr:last-child td {
  border-bottom: 0;
}

.release-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.release-links a {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--accent-strong);
  padding: 10px 12px;
  font-weight: 850;
  text-decoration: none;
  box-shadow: var(--shadow);
}

.release-links a:hover {
  border-color: #9fb4ae;
}

.tag-pill,
.track-pill,
.risk-pill,
.score-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 850;
}

.tag-pill {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.track-pill.internal_seo {
  background: #e9f2ff;
  color: var(--blue);
}

.track-pill.koc_trust {
  background: #fff1e4;
  color: var(--gold);
}

.track-pill.deal {
  background: #fce8ee;
  color: var(--rose);
}

.risk-pill.low {
  background: #e7f6ef;
  color: #187449;
}

.risk-pill.medium {
  background: #fff3d7;
  color: #8a5a00;
}

.risk-pill.high {
  background: #ffe9e9;
  color: #9c2f2f;
}

.score-pill {
  background: #11201e;
  color: #ffffff;
}

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

.opportunity-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
  box-shadow: var(--shadow);
}

.opportunity-item h4 {
  margin: 0 0 8px;
  font-size: 17px;
}

.opportunity-meta,
.brief-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.opportunity-item p {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.55;
}

.opportunity-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.brief-layout {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: 16px;
}

.brief-list {
  display: grid;
  gap: 8px;
  align-content: start;
}

.brief-select-button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  padding: 12px;
  text-align: left;
}

.brief-select-button.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.brief-select-button strong {
  display: block;
  margin-bottom: 5px;
}

.brief-select-button small {
  color: var(--muted);
}

.brief-preview {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 20px;
  box-shadow: var(--shadow);
}

.brief-preview h4 {
  margin: 0 0 12px;
  font-size: 22px;
}

.brief-preview h5 {
  margin: 18px 0 8px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.brief-preview p,
.brief-preview li {
  color: #33423e;
  line-height: 1.58;
}

.brief-preview ol,
.brief-preview ul {
  padding-left: 20px;
}

.brief-text {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdfc;
  padding: 13px;
  white-space: pre-wrap;
}

.radar-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.stacked-blocks {
  display: grid;
  gap: 22px;
}

.subheading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.subheading-row h4 {
  margin: 0;
  font-size: 16px;
}

.compact-button {
  min-height: 32px;
  padding: 6px 10px;
  font-size: 12px;
}

.radar-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
  box-shadow: var(--shadow);
}

.radar-item h4 {
  margin: 0 0 8px;
  font-size: 16px;
}

.radar-item p {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.55;
}

.radar-item dl {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 8px 10px;
  margin: 0;
}

.radar-item dt {
  color: var(--muted);
  font-weight: 800;
}

.radar-item dd {
  margin: 0;
}

.import-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 16px;
}

.form-panel {
  display: grid;
  gap: 14px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 18px;
  box-shadow: var(--shadow);
}

.form-panel h4 {
  margin: 0 0 4px;
  font-size: 17px;
}

.form-panel label,
.form-panel legend {
  color: #34433f;
}

.form-panel input,
.form-panel textarea,
.form-panel select,
.filter-row select {
  border-color: var(--line);
  background: #fbfdfc;
  color: var(--ink);
}

.field-grid.light {
  grid-template-columns: 1fr 1fr;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.import-tip {
  border: 1px solid #cae8e3;
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: #244640;
  padding: 13px;
}

.import-tip p {
  margin: 6px 0 0;
  color: #365a54;
  line-height: 1.55;
}

.watchlist-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.watch-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 14px;
  box-shadow: var(--shadow);
}

.watch-item h4 {
  margin: 0 0 7px;
  font-size: 15px;
}

.watch-item p {
  margin: 0 0 8px;
  color: var(--muted);
  line-height: 1.5;
}

.watch-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  transform: translateY(16px);
  opacity: 0;
  pointer-events: none;
  border-radius: var(--radius);
  background: #101917;
  color: #f7fbfa;
  padding: 12px 14px;
  font-weight: 760;
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.62);
  color: var(--muted);
  padding: 22px;
  text-align: center;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    max-height: none;
  }

  .topbar,
  .panel-heading,
  .opportunity-item {
    display: grid;
  }

  .summary-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .brief-layout,
  .radar-grid,
  .import-layout,
  .watchlist-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .sidebar,
  .workspace {
    padding: 18px;
  }

  h1,
  h2 {
    font-size: 23px;
  }

  .field-grid,
  .summary-strip,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .action-row,
  .filter-row {
    align-items: stretch;
  }

  .primary-button,
  .secondary-button,
  .ghost-button,
  .filter-row select {
    width: 100%;
  }
}