:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-alt: #f8fafc;
  --border: #d9e2ec;
  --text: #102a43;
  --muted: #627d98;
  --primary: #0972d3;
  --primary-soft: #e6f2fb;
  --success: #037f0c;
  --success-soft: #e7f6ec;
  --warning: #a15c00;
  --warning-soft: #fff2e0;
  --danger: #b42318;
  --danger-soft: #fdecea;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--sans);
  background: linear-gradient(180deg, #f8fbff 0%, var(--bg) 20%, #eef4fb 100%);
  color: var(--text);
}

button,
textarea,
input {
  font: inherit;
}

a {
  color: var(--primary);
}

code {
  background: #f1f5f9;
  padding: 0.15rem 0.35rem;
  border-radius: 8px;
}

.app-shell,
.layout {
  min-height: 100vh;
}

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

.sidebar {
  background: #0f172a;
  color: #e2e8f0;
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.brand h1,
.topbar h2,
.card h3 {
  margin: 0;
}

.brand p,
.card-subtitle,
.muted,
.topbar p,
.sidebar small,
.empty-state p,
.bullet-list {
  color: var(--muted);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: #93c5fd;
}

.sidebar .brand p,
.sidebar small {
  color: #94a3b8;
}

.sidebar-nav {
  display: grid;
  gap: 10px;
}

.nav-btn,
.secondary-btn,
.primary-btn,
.chip,
.prompt-card {
  border: 1px solid transparent;
  border-radius: 14px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.nav-btn {
  padding: 12px 14px;
  text-align: left;
  background: rgba(255, 255, 255, 0.03);
  color: inherit;
  border-color: rgba(148, 163, 184, 0.16);
}

.nav-btn strong,
.prompt-card {
  display: block;
}

.nav-btn span {
  display: block;
  margin-top: 4px;
  font-size: 0.84rem;
  color: #b6c2cf;
}

.nav-btn:hover,
.nav-btn.is-active,
.secondary-btn:hover,
.primary-btn:hover,
.chip:hover,
.prompt-card:hover {
  transform: translateY(-1px);
}

.nav-btn.is-active {
  background: rgba(9, 114, 211, 0.16);
  border-color: rgba(9, 114, 211, 0.46);
}

.sidebar-card,
.card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 16px;
  padding: 14px;
}

.main {
  padding: 28px;
  display: grid;
  gap: 20px;
}

.topbar,
.split-head,
.inline-actions,
.top-actions {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid.two {
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.9fr);
}

.cards-five {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid rgba(15, 23, 42, 0.07);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 20px;
}

.card.tight {
  padding: 16px;
}

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

.status-badge,
.pill,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.83rem;
  font-weight: 600;
}

.status-badge.is-green { background: var(--success-soft); color: var(--success); }
.status-badge.is-yellow { background: var(--warning-soft); color: var(--warning); }
.status-badge.is-red { background: var(--danger-soft); color: var(--danger); }
.pill.is-blue,
.tag { background: var(--primary-soft); color: var(--primary); }

.chip-row,
.prompt-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip,
.prompt-card,
.secondary-btn,
.primary-btn {
  padding: 10px 14px;
}

.chip,
.prompt-card,
.secondary-btn {
  background: var(--panel-alt);
  border-color: rgba(15, 23, 42, 0.08);
  color: var(--text);
}

.prompt-card {
  width: 100%;
  text-align: left;
}

.primary-btn {
  background: var(--primary);
  color: white;
}

.primary-btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.transcript {
  min-height: 420px;
  max-height: 620px;
  overflow: auto;
  background: #f8fbff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  display: grid;
  gap: 14px;
}

.message {
  display: flex;
}

.message.is-user {
  justify-content: flex-end;
}

.bubble {
  max-width: min(760px, 88%);
  padding: 14px 16px;
  border-radius: 18px;
  background: white;
  border: 1px solid var(--border);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
}

.message.is-user .bubble {
  background: #0b69c7;
  color: white;
  border-color: #0b69c7;
}

.message-role {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.72;
  margin-bottom: 8px;
}

.message-text {
  line-height: 1.5;
}

.message-meta {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.82rem;
}

.message.is-user .tag,
.message.is-user .inline-link {
  background: rgba(255, 255, 255, 0.16);
  color: white;
}

.composer {
  display: grid;
  gap: 12px;
}

textarea {
  width: 100%;
  resize: vertical;
  min-height: 100px;
  padding: 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: white;
  color: var(--text);
}

.detail-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.detail-list div {
  display: grid;
  gap: 4px;
}

.detail-list dt {
  color: var(--muted);
  font-size: 0.82rem;
}

.detail-list dd {
  margin: 0;
}

.metric-row {
  display: grid;
  gap: 8px;
}

.metric-label {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.metric-bar {
  height: 10px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.metric-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #5aa5f6, #0972d3);
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

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

thead th {
  background: #f8fafc;
  font-size: 0.84rem;
  color: var(--muted);
}

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

.empty-state {
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 18px;
  background: #f8fbff;
}

.kpi {
  text-align: center;
}

.kpi strong {
  font-size: 1.9rem;
}

.alert {
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
}

.alert.info {
  background: var(--primary-soft);
  color: var(--primary);
  border-color: rgba(9, 114, 211, 0.18);
}

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

.loading-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  gap: 12px;
}

.spinner {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 4px solid rgba(9, 114, 211, 0.16);
  border-top-color: var(--primary);
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 1100px) {
  .layout,
  .grid.two,
  .cards-five {
    grid-template-columns: 1fr;
  }

  .sidebar {
    gap: 14px;
  }
}