/* VAAYU Lite — Static Dashboard Stylesheet */
/* Government-Science Atmospheric Observatory Theme */

:root {
  --bg-slate: #1e2a35;
  --bg-slate-dark: #131c24;
  --bg-slate-card: #18232c;
  --bg-slate-elevated: #22303c;
  
  --accent-terracotta: #c9884f;
  --accent-terracotta-muted: #9c6637;
  --accent-terracotta-hover: #db995e;
  
  --teal-observatory: #2f6f73;
  --teal-dark: #1b4447;
  --teal-glow: #3d8e94;
  --teal-light: #5eead4;
  
  --severe-red: #8b1c2c;
  --severe-red-dark: #5a121d;
  --severe-red-light: #f87171;
  
  --cat-good: #10b981;
  --cat-satisfactory: #34d399;
  --cat-moderate: #fbbf24;
  --cat-poor: #c9884f;
  --cat-very-poor: #f87171;
  --cat-severe: #8b1c2c;
  
  --text-parchment: #f5f5f0;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  --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-teal: rgba(47, 111, 115, 0.5);
  --border-severe: rgba(139, 28, 44, 0.7);

  --font-serif: "EB Garamond", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Courier Prime", monospace;
  
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-slate);
  color: var(--text-parchment);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--text-parchment);
}

.font-mono {
  font-family: var(--font-mono);
}

/* Top System Banners */
.banner-container {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.banner-warning {
  background-color: var(--severe-red);
  color: #ffffff;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.02em;
}

.banner-status {
  background-color: var(--bg-slate-dark);
  border-bottom: 1px solid var(--border-subtle);
  padding: 8px 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.banner-status .badge-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--teal-light);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--teal-light);
  box-shadow: 0 0 6px var(--teal-glow);
}

.banner-permanent {
  color: var(--accent-terracotta);
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* Top Navigation Header */
.site-header {
  background-color: rgba(24, 35, 44, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0 24px;
}

.header-inner {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-parchment);
}

.brand-icon {
  width: 28px;
  height: 28px;
  border: 1px solid var(--accent-terracotta);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-terracotta);
  font-size: 16px;
  font-weight: 700;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.02em;
}

.brand-subtitle {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  font-weight: 500;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: var(--text-parchment);
  background-color: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
  color: var(--accent-terracotta);
  border-bottom-color: var(--accent-terracotta);
  background-color: rgba(201, 136, 79, 0.08);
}

/* Main Content Area */
.main-content {
  flex: 1;
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.tab-section {
  display: none;
}

.tab-section.active {
  display: block;
  animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Section Header */
.section-header {
  margin-bottom: 28px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-terracotta);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.section-title {
  font-size: 32px;
  color: var(--text-parchment);
  margin-bottom: 8px;
  line-height: 1.2;
}

.section-desc {
  color: var(--text-muted);
  font-size: 14px;
  max-width: 820px;
  line-height: 1.6;
}

/* Callout Box */
.callout-box {
  background-color: var(--bg-slate-card);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-terracotta);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 28px;
}

.callout-box .callout-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-terracotta);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  font-weight: 600;
}

.callout-box p {
  color: var(--text-parchment);
  font-size: 14px;
  line-height: 1.7;
}

/* Cards & Grid */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.card {
  background-color: var(--bg-slate-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.card-title {
  font-size: 16px;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

/* Tables */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background-color: var(--bg-slate-card);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

table.data-table th {
  background-color: var(--bg-slate-dark);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-strong);
  font-weight: 600;
}

table.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-parchment);
}

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

table.data-table tr.total-row td {
  background-color: rgba(47, 111, 115, 0.15);
  font-weight: 600;
  border-top: 1px solid var(--border-strong);
}

/* Badges & Chips */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
}

.badge-built {
  background-color: rgba(47, 111, 115, 0.25);
  border: 1px solid var(--teal-observatory);
  color: var(--teal-light);
}

.badge-planned {
  background-color: rgba(201, 136, 79, 0.15);
  border: 1px solid var(--accent-terracotta-muted);
  color: var(--accent-terracotta);
}

.badge-severe {
  background-color: var(--severe-red);
  color: #ffffff;
}

.category-chip {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-slate-dark);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-chip .chip-name {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.category-chip .chip-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-parchment);
}

.category-chip.chip-severe {
  border-color: var(--border-severe);
  background-color: rgba(139, 28, 44, 0.15);
}

.category-chip.chip-severe .chip-name {
  color: var(--severe-red-light);
}

.category-chip.chip-severe .chip-val {
  color: var(--severe-red-light);
}

/* Buttons & Selectors */
.button-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  background-color: var(--bg-slate-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-parchment);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  transition: all 0.15s ease;
}

.btn:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-terracotta);
}

.btn.active {
  background-color: var(--accent-terracotta);
  border-color: var(--accent-terracotta);
  color: #131c24;
  font-weight: 600;
}

.btn-primary {
  background-color: var(--accent-terracotta);
  border-color: var(--accent-terracotta);
  color: #131c24;
  font-weight: 600;
}

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

/* Form Inputs */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.form-input {
  width: 100%;
  background-color: var(--bg-slate-dark);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-parchment);
  font-family: var(--font-mono);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input:focus {
  border-color: var(--accent-terracotta);
  box-shadow: 0 0 0 1px var(--accent-terracotta);
}

/* Calculator Result Card */
.result-card {
  background-color: var(--bg-slate-dark);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.result-main {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
}

.result-score-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.result-score {
  font-family: var(--font-serif);
  font-size: 56px;
  line-height: 1;
  font-weight: 700;
  color: var(--text-parchment);
}

.result-scale {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-subtle);
}

.result-category-badge {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.result-crit {
  font-size: 13px;
  color: var(--text-muted);
}

.result-crit strong {
  color: var(--text-parchment);
}

/* SVG Chart Panels */
.chart-container {
  background-color: var(--bg-slate-dark);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 24px;
  position: relative;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.chart-title {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--text-parchment);
}

.chart-legend {
  display: flex;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 1px;
}

svg.svg-chart {
  width: 100%;
  height: auto;
  display: block;
}

/* Sounding / Inversion Viewer Controls */
.slider-control-card {
  background-color: var(--bg-slate-card);
  border: 1px solid var(--border-terracotta);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.slider-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 260px;
}

.range-slider {
  flex: 1;
  accent-color: var(--accent-terracotta);
  cursor: pointer;
}

.slider-val-readout {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-terracotta);
  min-width: 50px;
}

/* Self Test Banner */
.selftest-banner {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.selftest-banner.passed {
  background-color: rgba(47, 111, 115, 0.25);
  border: 1px solid var(--teal-observatory);
  color: #6ee7b7;
}

.selftest-banner.failed {
  background-color: var(--severe-red);
  color: #ffffff;
  font-weight: 700;
}

/* Site Footer */
.site-footer {
  background-color: var(--bg-slate-dark);
  border-top: 1px solid var(--border-subtle);
  padding: 24px;
  margin-top: auto;
  color: var(--text-subtle);
  font-size: 12px;
}

.footer-inner {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 11px;
}

/* Responsive Styles */
@media (max-width: 900px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .header-inner {
    height: auto;
    padding: 12px 0;
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .nav-link {
    font-size: 12px;
    padding: 6px 10px;
    white-space: nowrap;
  }
}

@media (max-width: 480px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 24px;
  }
  .banner-status {
    padding: 8px 12px;
    font-size: 10px;
  }
  .main-content {
    padding: 20px 12px 48px;
  }
}