/* ==========================================================================
   CHICAGO ROOFING SIGNAL — Dark Data-Terminal Theme
   Visual Redesign Pass · Built with Google Antigravity
   ========================================================================== */

:root {
  /* Color Palette - Terminal Dark */
  --bg-dark: #07090e;
  --bg-card: rgba(13, 18, 30, 0.75);
  --bg-card-hover: rgba(19, 26, 43, 0.85);
  --bg-stat: rgba(15, 23, 42, 0.6);
  --bg-pill: rgba(56, 189, 248, 0.08);
  --bg-code: rgba(10, 14, 23, 0.9);
  --bg-table-header: rgba(15, 23, 42, 0.95);
  --bg-table-hover: rgba(30, 41, 59, 0.35);

  /* Borders */
  --border-color: rgba(255, 255, 255, 0.08);
  --border-subtle: rgba(255, 255, 255, 0.04);
  --border-bright: rgba(56, 189, 248, 0.3);
  --border-emerald: rgba(52, 211, 153, 0.3);

  /* Typography */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  /* Accents */
  --accent-cyan: #38bdf8;
  --accent-cyan-glow: rgba(56, 189, 248, 0.2);
  --accent-emerald: #34d399;
  --accent-emerald-glow: rgba(52, 211, 153, 0.2);
  --accent-amber: #fbbf24;
  --accent-amber-glow: rgba(251, 191, 36, 0.2);
  --accent-rose: #f87171;

  /* Badges */
  --badge-ok-bg: rgba(52, 211, 153, 0.12);
  --badge-ok-text: #34d399;
  --badge-ok-border: rgba(52, 211, 153, 0.25);

  --badge-warn-bg: rgba(251, 191, 36, 0.12);
  --badge-warn-text: #fbbf24;
  --badge-warn-border: rgba(251, 191, 36, 0.25);

  --badge-fail-bg: rgba(248, 113, 113, 0.12);
  --badge-fail-text: #f87171;
  --badge-fail-border: rgba(248, 113, 113, 0.25);

  /* Fonts */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

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

html {
  color-scheme: dark;
  background-color: var(--bg-dark);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(56, 189, 248, 0.07), transparent 70%);
  background-size: 32px 32px, 32px 32px, 100% 100%;
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scanline Effect */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.12),
    rgba(0, 0, 0, 0.12) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 999;
  opacity: 0.3;
}

/* Header & Navigation */
header {
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  letter-spacing: -0.01em;
}

.brand:hover {
  text-decoration: none;
  color: var(--accent-cyan);
}

.brand-prompt {
  color: var(--accent-cyan);
  font-weight: 800;
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--bg-pill);
  color: var(--accent-cyan);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-bright);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

nav {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

nav a {
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: all 0.15s ease;
}

nav a:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
  text-decoration: none;
}

nav a.active {
  color: var(--accent-cyan);
  background-color: var(--bg-pill);
  border-color: var(--border-bright);
}

/* Layout */
main {
  max-width: 1200px;
  margin: 2rem auto 4rem auto;
  padding: 0 1.5rem;
}

/* Headings */
h1 {
  font-size: 1.85rem;
  font-weight: 800;
  margin: 0 0 0.5rem 0;
  letter-spacing: -0.02em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0 0 2rem 0;
  max-width: 840px;
}

/* Hero Section - First Screen Impact */
.hero-container {
  background: radial-gradient(ellipse at top left, rgba(56, 189, 248, 0.09), transparent 60%), var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-bright);
  border-radius: 12px;
  padding: 2.25rem 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), var(--accent-cyan-glow);
  position: relative;
  overflow: hidden;
}

.hero-container::after {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.status-banner {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-emerald);
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.25);
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulse-ring 2s infinite ease-in-out;
}

@keyframes pulse-ring {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.2); }
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem 0;
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 820px;
  margin: 0 0 2rem 0;
  line-height: 1.65;
}

.hero-clarity-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  background: rgba(10, 14, 23, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.75rem;
}

.clarity-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.clarity-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.clarity-val {
  font-size: 0.875rem;
  color: var(--text-main);
}

/* Stat Grid - Prominent Monospace Numbers */
.grid-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.stat-box {
  background: var(--bg-stat);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  transition: all 0.2s ease;
}

.stat-box:hover {
  border-color: var(--border-bright);
  background: rgba(30, 41, 59, 0.7);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.stat-box .number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
  letter-spacing: -0.03em;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.stat-box .number.accent-cyan {
  color: var(--accent-cyan);
  text-shadow: 0 0 20px var(--accent-cyan-glow);
}

.stat-box .number.accent-emerald {
  color: var(--accent-emerald);
  text-shadow: 0 0 20px var(--accent-emerald-glow);
}

.stat-box .label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-top: 0.5rem;
}

.stat-box .sub {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

/* Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: all 0.2s ease;
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}

.card-title {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 1rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: -0.01em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.825rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  background: var(--accent-cyan);
  color: #040914;
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 2px 10px var(--accent-cyan-glow);
  transition: all 0.15s ease;
  cursor: pointer;
}

.btn:hover {
  background: #7dd3fc;
  border-color: #7dd3fc;
  color: #040914;
  box-shadow: 0 4px 16px rgba(56, 189, 248, 0.4);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.6);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: none;
}

.btn-secondary:hover {
  background: rgba(51, 65, 85, 0.8);
  border-color: var(--border-bright);
  color: var(--accent-cyan);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  transform: translateY(-1px);
}

/* Badges & Pills */
.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.75rem;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-ok {
  background: var(--badge-ok-bg);
  color: var(--badge-ok-text);
  border: 1px solid var(--badge-ok-border);
}

.badge-warn {
  background: var(--badge-warn-bg);
  color: var(--badge-warn-text);
  border: 1px solid var(--badge-warn-border);
}

.badge-fail {
  background: var(--badge-fail-bg);
  color: var(--badge-fail-text);
  border: 1px solid var(--badge-fail-border);
}

.pill {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  background: var(--bg-pill);
  color: var(--accent-cyan);
  border: 1px solid var(--border-bright);
  border-radius: 4px;
  padding: 0.15rem 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
}

/* Links */
a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: #7dd3fc;
  text-decoration: underline;
}

/* Tables */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

th {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--bg-table-header);
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  position: sticky;
  top: 0;
  z-index: 10;
}

td {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: middle;
  color: var(--text-main);
  background: transparent;
  transition: background-color 0.15s ease;
}

tr:hover td {
  background-color: var(--bg-table-hover);
}

tr td:first-child {
  font-family: var(--font-mono);
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* Code & Pre */
code {
  font-family: var(--font-mono);
  font-size: 0.825em;
  background: var(--bg-code);
  color: var(--accent-cyan);
  border: 1px solid var(--border-color);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

pre {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--bg-code);
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  color: var(--text-main);
}

/* Metadata List */
dl.meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin: 0;
}

dl.meta dt {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

dl.meta dd {
  font-family: var(--font-mono);
  margin: 0.35rem 0 0 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Footer */
footer {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

footer strong {
  color: var(--text-muted);
}