/* site.css — LexiPanel for Defense, DLI tokens via CSS vars + layout primitives.
   Brand colors/fonts NEVER invented — sourced from DLI_PALETTE (also exposed in Components.jsx).
   Per memory/reference_dli_newsletter_design_system.md: tokens locked. */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  color-scheme: dark;
  /* DLI palette — DO NOT EDIT here; mirror only */
  --bg: #0a1024;
  --bg-deep: #070b1a;
  --surface: #0f172a;
  --surface-card: #111a36;
  --border: rgba(148, 163, 184, 0.12);
  --border-strong: rgba(148, 163, 184, 0.22);
  --fg: #f8fafc;
  --fg-muted: #94a3b8;
  --fg-subtle: #64748b;
  --lime: #84cc16;
  --lime-bright: #a3e635;
  --amber: #e0a82e;
  --amber-bright: #f59e0b;
  --indigo: #6366f1;
  --indigo-bright: #818cf8;
  --red: #ef4444;

  --font-sans: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, 'Liberation Mono', monospace;

  /* Spacing scale (DLI 4pt baseline) */
  --s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px;
  --s-5: 20px; --s-6: 24px; --s-7: 32px; --s-8: 40px;
  --s-9: 48px; --s-10: 64px; --s-11: 80px; --s-12: 96px;

  /* Radii */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-feature-settings: 'ss01' on;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* Top accent bar — signature DLI element */
.top-accent {
  position: sticky; top: 0; z-index: 50;
  height: 4px;
  background: linear-gradient(90deg, var(--lime) 0%, var(--amber) 50%, var(--indigo) 100%);
}

/* Layout containers */
.container { max-width: 1120px; margin: 0 auto; padding: 0 var(--s-6); }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 var(--s-6); }

/* Header strip */
.header {
  padding: var(--s-6) 0 var(--s-7);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-6);
}
.brand {
  display: inline-flex; align-items: center; gap: var(--s-3);
  text-decoration: none; color: var(--fg);
}
.brand-mark {
  width: 32px; height: 32px;
  border-radius: var(--radius);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid var(--indigo);
  display: inline-flex; align-items: center; justify-content: center;
}
.brand-mark svg { stroke: var(--indigo); }
.brand-name {
  font-weight: 700; font-size: 18px; letter-spacing: -0.01em;
}
.brand-vertical {
  font-weight: 500; font-size: 13px; color: var(--fg-muted);
  margin-left: var(--s-2); padding-left: var(--s-2);
  border-left: 1px solid var(--border-strong);
}
.lang-toggle {
  display: inline-flex; gap: 0;
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  overflow: hidden;
}
.lang-toggle button {
  padding: 6px 12px;
  background: transparent; color: var(--fg-muted);
  border: 0;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  cursor: pointer; transition: background 0.15s, color 0.15s;
}
.lang-toggle button.active {
  background: var(--surface-card); color: var(--fg);
}
.lang-toggle button:hover:not(.active) { color: var(--fg); }

/* Hero */
.hero { padding: var(--s-10) 0 var(--s-12); }
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--s-2);
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: var(--s-6);
}
.eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(132, 204, 22, 0.18);
}
.h1 {
  font-size: clamp(40px, 6vw, 72px);
  letter-spacing: -0.03em;
  line-height: 1.04;
  font-weight: 800;
  margin: 0 0 var(--s-6);
  max-width: 16ch;
}
.h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--lime) 0%, var(--lime-bright) 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.lede {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
  color: #cbd5e1;
  max-width: 60ch;
  margin: 0 0 var(--s-8);
}
.cta-row {
  display: flex; flex-wrap: wrap; gap: var(--s-4);
  margin-bottom: var(--s-10);
}
.btn {
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: 12px 20px;
  border: 1px solid transparent; border-radius: var(--radius);
  font-family: var(--font-sans); font-weight: 600; font-size: 15px;
  cursor: pointer; transition: transform 0.1s, background 0.15s, border-color 0.15s;
  text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--lime); color: var(--bg);
}
.btn-primary:hover { background: var(--lime-bright); }
.btn-ghost {
  background: transparent; color: var(--fg);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: var(--surface-card); border-color: var(--fg-muted); }

/* Role router section */
.role-section { padding: var(--s-9) 0 var(--s-11); }
.section-label {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--fg-subtle);
  margin-bottom: var(--s-5);
}
.section-title {
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: -0.02em;
  line-height: 1.2;
  font-weight: 700;
  margin: 0 0 var(--s-8);
  max-width: 28ch;
}
.role-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-5);
}
.role-card {
  position: relative;
  padding: var(--s-7);
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, background 0.15s;
  display: flex; flex-direction: column;
  text-align: left;
  font-family: var(--font-sans); color: inherit;
}
.role-card:hover {
  transform: translateY(-2px);
  background: rgba(17, 26, 54, 0.85);
}
.role-card.lime:hover { border-color: var(--lime); }
.role-card.amber:hover { border-color: var(--amber); }
.role-card.indigo:hover { border-color: var(--indigo); }
.role-accent {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  border-top-left-radius: var(--radius-lg); border-top-right-radius: var(--radius-lg);
}
.role-card.lime .role-accent { background: var(--lime); }
.role-card.amber .role-accent { background: var(--amber); }
.role-card.indigo .role-accent { background: var(--indigo); }
.role-key {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--fg-subtle);
  margin: var(--s-2) 0 var(--s-3);
}
.role-title {
  font-size: 22px; font-weight: 700; letter-spacing: -0.01em;
  margin: 0 0 var(--s-3);
}
.role-body {
  font-size: 15px; line-height: 1.55; color: #cbd5e1;
  margin: 0 0 var(--s-5);
  flex-grow: 1;
}
.role-cta {
  font-family: var(--font-mono); font-size: 13px;
  letter-spacing: 0.04em;
  display: inline-flex; align-items: center; gap: var(--s-2);
}
.role-card.lime .role-cta { color: var(--lime); }
.role-card.amber .role-cta { color: var(--amber); }
.role-card.indigo .role-cta { color: var(--indigo); }

/* Demo stub (full impl Day 4-5) */
.demo-stub {
  margin: var(--s-9) 0 var(--s-11);
  padding: var(--s-8);
  background: var(--surface);
  border: 1px dashed var(--border-strong); border-radius: var(--radius-lg);
  font-family: var(--font-mono); font-size: 13px; color: var(--fg-muted);
  text-align: center;
}
.demo-stub code { color: var(--lime); }

/* Credibility strip */
.credibility {
  padding: var(--s-8) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--s-9);
}
.cred-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--s-6);
}
.cred-item .cred-val {
  font-family: var(--font-sans); font-weight: 800;
  font-size: 28px; letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: var(--s-1);
}
.cred-item .cred-val .accent-lime { color: var(--lime); }
.cred-item .cred-val .accent-amber { color: var(--amber); }
.cred-item .cred-val .accent-indigo { color: var(--indigo); }
.cred-item .cred-label {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-subtle);
}

/* Footer */
.footer {
  padding: var(--s-9) 0 var(--s-10);
  color: var(--fg-muted);
  font-size: 13px;
}
.footer-row {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: var(--s-4);
}
.footer code { color: var(--lime); font-family: var(--font-mono); font-size: 12px; }
.footer-meta {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  color: var(--fg-subtle);
  margin-top: var(--s-4);
}

/* Indicative-label banner (per Art.21 KE2) — visible above demo eventually */
.indicative-banner {
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: 6px 12px;
  background: rgba(224, 168, 46, 0.08);
  border: 1px solid rgba(224, 168, 46, 0.32);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--amber);
}
.indicative-banner::before {
  content: '⚠';
  font-family: var(--font-mono);
}

/* ========================================================================== */
/* Day 4: Demo state machine — INPUT_FORM / SUBMITTING / SCORE_DISPLAY        */
/* ========================================================================== */

.demo-card {
  position: relative;
  margin: var(--s-8) 0 var(--s-10);
  padding: var(--s-8) var(--s-7);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  scroll-margin-top: var(--s-7);
}

.demo-back {
  background: transparent; color: var(--fg-muted);
  border: 0; padding: 0;
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.04em; cursor: pointer;
  margin-bottom: var(--s-4);
}
.demo-back:hover { color: var(--fg); }

.demo-title {
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: -0.02em;
  font-weight: 700; margin: 0 0 var(--s-2);
}

.demo-sub {
  color: var(--fg-muted);
  font-size: 14px;
  margin: 0 0 var(--s-7);
}

/* Form grid — 2 cols on wide, 1 col on narrow */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s-5) var(--s-6);
  margin-bottom: var(--s-7);
}
.field { display: flex; flex-direction: column; gap: var(--s-2); }
.field-full { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--fg-subtle);
}
.field-help {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--fg-subtle);
  margin-top: 4px;
}
.field input[type="number"], .field-select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-deep); color: var(--fg);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font-family: var(--font-sans); font-size: 15px;
  transition: border-color 0.15s;
}
.field input[type="number"]:focus, .field-select:focus {
  outline: none; border-color: var(--lime);
}
.field-input-wrap { display: flex; flex-direction: column; }

.form-actions {
  display: flex; flex-wrap: wrap; gap: var(--s-3);
  margin-top: var(--s-6);
}

/* SUBMITTING */
.demo-loading {
  display: flex; align-items: center; gap: var(--s-5);
  padding: var(--s-7);
}
.spinner {
  width: 32px; height: 32px; flex-shrink: 0;
  border-radius: 50%;
  border: 3px solid var(--border-strong);
  border-top-color: var(--lime);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text {
  display: flex; flex-direction: column; gap: 4px;
  font-family: var(--font-mono); font-size: 13px; color: var(--fg-muted);
}
.loading-text code { color: var(--lime); font-size: 12px; }

/* FALLBACK banner */
.fallback-banner {
  padding: 10px 14px;
  margin-bottom: var(--s-6);
  background: rgba(224, 168, 46, 0.08);
  border: 1px solid rgba(224, 168, 46, 0.32);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 12px;
  color: var(--amber);
}

/* SCORE_DISPLAY */
.score-display { padding: var(--s-8); }
.score-grid {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: var(--s-9);
  align-items: start;
}
@media (max-width: 720px) {
  .score-grid { grid-template-columns: 1fr; gap: var(--s-7); }
}

.score-gauge {
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
}
.gauge {
  width: 220px; height: 220px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 3px solid var(--border-strong);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  transition: border-color 0.3s;
}
.gauge-num {
  font-family: var(--font-sans); font-weight: 800;
  font-size: 86px; line-height: 1; letter-spacing: -0.04em;
  color: var(--fg);
}
.gauge-cap {
  font-family: var(--font-mono); font-size: 14px;
  color: var(--fg-subtle); margin-top: 4px;
}
.gauge-label {
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.16em;
  margin-top: var(--s-4); padding: 4px 12px;
  border-radius: var(--radius-sm);
}
.risk-low .gauge-num { color: var(--lime); }
.risk-moderate .gauge-num { color: var(--amber); }
.risk-elevated .gauge-num { color: var(--red); }
.risk-low.gauge { border-color: var(--lime); }
.risk-moderate.gauge { border-color: var(--amber); }
.risk-elevated.gauge { border-color: var(--red); }
.risk-low.gauge-label { background: rgba(132,204,22,0.10); color: var(--lime); border: 1px solid rgba(132,204,22,0.32); }
.risk-moderate.gauge-label { background: rgba(224,168,46,0.10); color: var(--amber); border: 1px solid rgba(224,168,46,0.32); }
.risk-elevated.gauge-label { background: rgba(239,68,68,0.10); color: var(--red); border: 1px solid rgba(239,68,68,0.32); }

.score-detail { min-width: 0; /* prevent grid overflow */ }

.factor-list {
  list-style: none; padding: 0; margin: var(--s-3) 0 0;
  display: flex; flex-direction: column; gap: var(--s-3);
}
.factor {
  display: flex; flex-direction: column; gap: 4px;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--border-strong);
  background: var(--surface-card);
}
.factor-up { border-left-color: var(--amber); }
.factor-down { border-left-color: var(--lime); }
.factor-name {
  font-weight: 600; font-size: 14px; color: var(--fg);
}
.factor-meta {
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--fg-muted);
}
.factor-up .factor-direction { color: var(--amber); }
.factor-down .factor-direction { color: var(--lime); }
.factor-contrib { color: var(--fg-muted); }

.formula {
  margin: var(--s-3) 0 0;
  padding: var(--s-4);
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono); font-size: 12px;
  color: var(--lime);
  white-space: pre-wrap; word-break: break-word;
  overflow-x: auto;
}

.score-meta {
  display: flex; flex-wrap: wrap; gap: var(--s-5);
  margin-top: var(--s-3);
  font-family: var(--font-mono); font-size: 12px;
  color: var(--fg-muted);
}
.score-meta code { color: var(--lime); }

/* Active role-card highlight */
.role-card.active {
  background: var(--surface);
  outline: 2px solid currentColor; outline-offset: -1px;
}
.role-card.lime.active { color: var(--lime); }
.role-card.amber.active { color: var(--amber); }
.role-card.indigo.active { color: var(--indigo); }
.role-card.active .role-title,
.role-card.active .role-body,
.role-card.active .role-key { color: var(--fg); }
.role-card.active .role-cta { color: currentColor; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}