:root {
  color-scheme: dark;
  --bg: #07101f;
  --panel: #0e1a2e;
  --panel-2: #13223a;
  --text: #f4f7fb;
  --muted: #aab6c8;
  --border: #263955;
  --accent: #f2b84b;
  --accent-2: #6fd3ff;
  --success: #4fd18b;
  --danger: #ff7c7c;
  --shadow: 0 16px 40px rgba(0,0,0,.24);
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(111,211,255,.10), transparent 30%),
    radial-gradient(circle at top left, rgba(242,184,75,.10), transparent 35%),
    var(--bg);
  color: var(--text);
}
button, textarea { font: inherit; }
button { cursor: pointer; }

.app-shell {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: calc(20px + env(safe-area-inset-top)) 18px calc(36px + env(safe-area-inset-bottom));
}

.topbar, .hero, .section-heading, .button-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: .8rem;
  letter-spacing: .14em;
  font-weight: 800;
}
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 4px; font-size: clamp(1.6rem, 4vw, 2.4rem); }
h2 { margin-bottom: 8px; }
.muted { color: var(--muted); }
.hidden { display: none !important; }

.hero {
  margin: 22px 0;
  padding: 24px;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(19,34,58,.96), rgba(10,21,38,.96));
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero h2 { margin: 0; max-width: 620px; }
.score-card {
  min-width: 130px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(242,184,75,.10);
  border: 1px solid rgba(242,184,75,.28);
  text-align: right;
}
.score-card span { display: block; color: var(--muted); font-size: .8rem; }
.score-card strong { color: var(--accent); }

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.metric-card {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 18px;
  padding: 16px;
}
.metric-card span { display: block; color: var(--muted); font-size: .85rem; }
.metric-card strong { display: block; margin-top: 6px; font-size: 1.55rem; }

.tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 6px;
  background: rgba(14,26,46,.8);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 18px;
}
.tab {
  border: 0;
  color: var(--muted);
  background: transparent;
  padding: 11px;
  border-radius: 12px;
}
.tab.active { background: var(--panel-2); color: var(--text); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel, .briefing-card, .empty-state {
  border: 1px solid var(--border);
  background: rgba(14,26,46,.92);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.panel { padding: 20px; }
.empty-state { padding: 42px 24px; text-align: center; }
.empty-icon { font-size: 2.6rem; margin-bottom: 12px; }

label { display: block; margin: 18px 0 8px; font-weight: 700; }
textarea {
  width: 100%;
  resize: vertical;
  min-height: 300px;
  border: 1px solid var(--border);
  background: #07101f;
  color: var(--text);
  border-radius: 16px;
  padding: 14px;
  outline: none;
}
textarea:focus { border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(111,211,255,.12); }

.button-row { justify-content: flex-start; margin-top: 14px; flex-wrap: wrap; }
.button {
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 10px 14px;
  font-weight: 800;
}
.button.primary { background: var(--accent); color: #15100a; }
.button.secondary { background: var(--panel-2); color: var(--text); border-color: var(--border); }
.button.danger { background: rgba(255,124,124,.10); color: var(--danger); border-color: rgba(255,124,124,.28); }
.feedback { min-height: 24px; margin: 14px 0 0; color: var(--success); }

.dashboard { display: grid; gap: 14px; }
.briefing-card { overflow: hidden; }
.card-toggle {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-weight: 850;
}
.chevron { color: var(--muted); transition: transform .2s ease; }
.card-toggle[aria-expanded="true"] .chevron { transform: rotate(180deg); }
.card-body {
  display: none;
  padding: 0 18px 18px;
  color: #dce5f2;
  line-height: 1.65;
  white-space: pre-wrap;
}
.card-body.open { display: block; }
.card-body a { color: var(--accent-2); }
.card-body blockquote {
  margin: 12px 0;
  padding: 12px 14px;
  border-left: 3px solid var(--accent);
  background: rgba(242,184,75,.08);
  border-radius: 8px;
}
.action-card { border-color: rgba(79,209,139,.35); }
.action-row { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.action-row input { width: 20px; height: 20px; }

.archive-list { display: grid; gap: 10px; margin-top: 16px; }
.archive-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel-2);
}
.archive-item button { border: 0; background: transparent; color: var(--accent-2); font-weight: 800; }
.archive-meta { color: var(--muted); font-size: .85rem; }

footer { text-align: center; color: var(--muted); margin-top: 24px; font-size: .85rem; }

@media (max-width: 640px) {
  .hero, .topbar, .section-heading { align-items: flex-start; }
  .hero { flex-direction: column; }
  .score-card { width: 100%; text-align: left; }
  .metrics { grid-template-columns: 1fr; }
  .button-row { align-items: stretch; }
  .button-row .button { flex: 1 1 100%; }
  .archive-item { align-items: flex-start; }
}