/* ============================================================
   RigChart — Main Stylesheet
   Version: 1.0 (Dark Theme)
   ============================================================ */

/* ------------------------------------------------------------
   1. Google Fonts Import
   ------------------------------------------------------------ */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@300;400;500&display=swap');

/* ------------------------------------------------------------
   2. CSS Variables
   ------------------------------------------------------------ */
:root {
  /* Colors */
  --black:          #0A0C0F;
  --charcoal:       #131720;
  --panel:          #1A1F2E;
  --border:         rgba(255, 255, 255, 0.08);
  --border-bright:  rgba(255, 255, 255, 0.15);
  --amber:          #E8A130;
  --amber-dim:      rgba(232, 161, 48, 0.12);
  --amber-glow:     rgba(232, 161, 48, 0.25);
  --text:           #F0EDE6;
  --muted:          #7A8090;
  --green:          #4CAF50;
  --red:            #E05252;

  /* Typography */
  --font-mono:    'IBM Plex Mono', monospace;
  --font-sans:    'IBM Plex Sans', sans-serif;
  --font-display: 'Bebas Neue', sans-serif;

  /* Spacing */
  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  24px;
  --space-lg:  40px;
  --space-xl:  64px;

  /* Layout */
  --max-width: 1400px;
  --nav-height: 64px;
  --border-radius: 4px;
}

/* ------------------------------------------------------------
   3. Reset & Base
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

/* ------------------------------------------------------------
   4. Typography
   ------------------------------------------------------------ */
.display {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  line-height: 0.92;
}

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

.text-muted  { color: var(--muted); }
.text-amber  { color: var(--amber); }
.text-green  { color: var(--green); }
.text-red    { color: var(--red); }

/* ------------------------------------------------------------
   5. Buttons
   ------------------------------------------------------------ */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: var(--border-radius);
  transition: opacity 0.15s, border-color 0.15s, color 0.15s, background 0.15s;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--amber);
  color: var(--black);
  border: 1px solid transparent;
}
.btn-primary:hover { opacity: 0.88; }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-bright);
}
.btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-size: 11px;
  padding: 7px 16px;
}
.btn-ghost:hover {
  border-color: var(--amber);
  background: var(--amber-dim);
  color: var(--amber);
}

/* ------------------------------------------------------------
   6. Badges
   ------------------------------------------------------------ */
.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: 2px;
  text-transform: uppercase;
}

.badge-active   { background: rgba(76, 175, 80, 0.15);  color: var(--green); }
.badge-release  { background: var(--amber-dim);          color: var(--amber); }
.badge-idle     { background: rgba(122, 128, 144, 0.15); color: var(--muted); }
.badge-label    { background: var(--amber-dim); color: var(--amber); border: 1px solid var(--amber-glow); }

/* ------------------------------------------------------------
   7. Section Layout
   ------------------------------------------------------------ */
.section {
  padding: var(--space-xl) var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--amber-glow);
  background: var(--amber-dim);
  padding: 4px 10px;
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 36px;
  letter-spacing: 0.04em;
  color: var(--text);
}

/* ------------------------------------------------------------
   8. Data Tables
   ------------------------------------------------------------ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
}

.data-table th {
  padding: 10px 20px;
  text-align: left;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  font-weight: 400;
}

.data-table td {
  padding: 10px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td      { background: rgba(255, 255, 255, 0.03); }

/* ------------------------------------------------------------
   9. Cards
   ------------------------------------------------------------ */
.card {
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.card-header-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ------------------------------------------------------------
   10. Live Indicator
   ------------------------------------------------------------ */
.live-dot {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
}

.live-dot::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(76, 175, 80, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ------------------------------------------------------------
   11. Utility Classes
   ------------------------------------------------------------ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
}