/* VAAYU Lite Design System Stylesheet */
/* Government-Science Atmospheric Observatory Dashboard */

:root {
  /* Core Color Palette */
  --bg-slate: #1e2a35;
  --bg-slate-dark: #131c24;
  --bg-slate-card: #17222c;
  --bg-slate-elevated: #23313e;
  
  --accent-terracotta: #c9884f;
  --accent-terracotta-muted: #9c6637;
  --accent-terracotta-hover: #db995e;
  
  --teal-observatory: #2f6f73;
  --teal-dark: #1e484b;
  --teal-glow: #3d8e94;
  
  --severe-red: #8b1c2c;
  --severe-red-dark: #5a121d;
  --severe-red-light: #f87171;
  
  --text-parchment: #f5f5f0;
  --text-muted: #a0aec0;
  --text-subtle: #718096;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-terracotta: rgba(201, 136, 79, 0.4);
  --border-severe: rgba(139, 28, 44, 0.6);
  
  /* Typography */
  --font-serif: "EB Garamond", "Merriweather", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Courier Prime", monospace;
  
  /* Layout */
  --radius-sm: 0.125rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.5rem;
}

/* Global Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-slate);
  color: var(--text-parchment);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Headings */
h1, h2, h3, .font-serif, .font-headline {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text-parchment);
}

/* Monospace & Data Elements */
code, pre, .font-mono, .telemetry {
  font-family: var(--font-mono);
}

/* Status Banner Slot */
.status-banner {
  background-color: var(--bg-slate-dark);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.5rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.status-pulse {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: var(--teal-observatory);
  margin-right: 0.5rem;
  box-shadow: 0 0 8px var(--teal-glow);
}

/* Institutional Cards */
.card-science {
  background-color: var(--bg-slate-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  position: relative;
}

.card-science.highlight-terracotta {
  border-color: var(--border-terracotta);
}

.card-science.highlight-severe {
  border-color: var(--border-severe);
  background: linear-gradient(135deg, var(--bg-slate-card) 0%, rgba(139, 28, 44, 0.15) 100%);
}

/* Buttons */
.btn-terracotta {
  background-color: var(--accent-terracotta);
  color: #1a202c;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease-in-out;
}

.btn-terracotta:hover {
  background-color: var(--accent-terracotta-hover);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-parchment);
  border: 1px solid var(--border-strong);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease-in-out;
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-muted);
}

/* Badges */
.badge-severe {
  background-color: var(--severe-red);
  color: #ffffff;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-self-test {
  background-color: rgba(47, 111, 115, 0.25);
  border: 1px solid var(--teal-observatory);
  color: #6ee7b7;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

/* Tables */
.table-science {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.table-science th {
  background-color: var(--bg-slate-dark);
  color: var(--text-muted);
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-strong);
  font-family: var(--font-mono);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.table-science td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-parchment);
}

.table-science tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Responsive Grid Helpers */
@media (max-width: 768px) {
  .status-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  .grid-responsive {
    grid-template-columns: 1fr !important;
  }
}