/* =============================================
   BigDataKRH - BigData Pipeline Platform
   Design System: Corporate Precision / Dark Luxury
   Accent: Cyan #06B6D4
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700;900&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* ── Tokens: Dark (default) ──────────────────── */
:root {
  --bg-base:       #080B14;
  --bg-surface:    #0D1120;
  --bg-elevated:   #121828;
  --bg-card:       #161D2E;

  --border-subtle: rgba(255,255,255,0.06);
  --border-mid:    rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.18);

  --accent:        #06B6D4;
  --accent-glow:   rgba(6,182,212,0.35);
  --accent-bright: #0891B2;
  --accent-muted:  rgba(6,182,212,0.15);

  --accent2:       #8B5CF6;
  --accent2-glow:  rgba(139,92,246,0.35);
  --accent2-muted: rgba(139,92,246,0.15);

  --accent3:       #10B981;
  --accent3-glow:  rgba(16,185,129,0.35);
  --accent3-muted: rgba(16,185,129,0.15);

  --success:       #10B981;
  --warning:       #F59E0B;
  --danger:        #EF4444;

  --text-primary:  #F0F4FF;
  --text-secondary:#94A3B8;
  --text-muted:    #4B5A72;

  --font-display:  'Roboto', sans-serif;
  --font-body:     'DM Sans', sans-serif;

  --radius-sm:     6px;
  --radius-md:     10px;
  --radius-lg:     16px;
  --radius-xl:     24px;

  --shadow-card:   0 4px 24px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.5);
  --shadow-glow:   0 0 40px rgba(6,182,212,0.15);

  --navbar-bg:     rgba(8,11,20,0.7);
  --navbar-scroll: rgba(8,11,20,0.92);
  --noise-opacity: 0.4;
}

/* ── Tokens: Light ───────────────────────────── */
[data-theme="light"] {
  --bg-base:       #F4F6FB;
  --bg-surface:    #FFFFFF;
  --bg-elevated:   #F0F3FA;
  --bg-card:       #E8EDF7;

  --border-subtle: rgba(0,0,0,0.06);
  --border-mid:    rgba(0,0,0,0.10);
  --border-strong: rgba(0,0,0,0.18);

  --accent:        #0891B2;
  --accent-glow:   rgba(8,145,178,0.20);
  --accent-bright: #0E7490;
  --accent-muted:  rgba(8,145,178,0.08);

  --accent2:       #7C3AED;
  --accent2-muted: rgba(124,58,237,0.08);

  --accent3:       #059669;
  --accent3-muted: rgba(5,150,105,0.08);

  --text-primary:  #0F172A;
  --text-secondary:#475569;
  --text-muted:    #94A3B8;

  --shadow-card:   0 4px 24px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-glow:   0 0 40px rgba(8,145,178,0.08);

  --navbar-bg:     rgba(244,246,251,0.8);
  --navbar-scroll: rgba(244,246,251,0.95);
  --noise-opacity: 0.15;
}

/* ── System preference fallback (no JS) ─────── */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg-base:       #F4F6FB;
    --bg-surface:    #FFFFFF;
    --bg-elevated:   #F0F3FA;
    --bg-card:       #E8EDF7;
    --border-subtle: rgba(0,0,0,0.06);
    --border-mid:    rgba(0,0,0,0.10);
    --border-strong: rgba(0,0,0,0.18);
    --accent:        #0891B2;
    --accent-glow:   rgba(8,145,178,0.20);
    --accent-bright: #0E7490;
    --accent-muted:  rgba(8,145,178,0.08);
    --text-primary:  #0F172A;
    --text-secondary:#475569;
    --text-muted:    #94A3B8;
    --shadow-card:   0 4px 24px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-glow:   0 0 40px rgba(8,145,178,0.08);
    --navbar-bg:     rgba(244,246,251,0.8);
    --navbar-scroll: rgba(244,246,251,0.95);
    --noise-opacity: 0.15;
  }
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Noise texture overlay ───────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: var(--noise-opacity);
  pointer-events: none;
  z-index: 0;
}

/* =============================================
   LAYOUT
   ============================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--navbar-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.3s;
}

.navbar.scrolled {
  background: var(--navbar-scroll);
  border-bottom-color: var(--border-mid);
}

.navbar-inner {
  display: flex;
  align-items: center;
  height: 64px;
  padding: 0 32px;
  max-width: 1400px;
  margin: 0 auto;
  gap: 32px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

.brand-icon {
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, var(--accent), var(--accent-bright));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  box-shadow: 0 0 12px var(--accent-glow);
}

.brand-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-left: 1px;
  vertical-align: super;
  font-size: 0;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--border-subtle);
}

.nav-link.active {
  color: var(--accent);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

/* ── Theme Toggle ────────────────────────────── */
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-mid);
  background: transparent;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.theme-toggle:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ── Mobile Toggle ───────────────────────────── */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  padding: 0;
}

.mobile-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile Nav ──────────────────────────────── */
.mobile-nav {
  display: none;
  position: absolute;
  top: 64px;
  left: 0; right: 0;
  background: var(--navbar-scroll);
  border-bottom: 1px solid var(--border-mid);
  padding: 12px 20px 20px;
  flex-direction: column;
  gap: 4px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  animation: fadeIn 0.15s ease;
}

.mobile-nav.open { display: flex; }

.mobile-nav .nav-link {
  display: block;
  padding: 10px 12px;
  font-size: 0.9rem;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  border: 1px solid transparent;
  transition: all 0.2s;
  cursor: pointer;
  white-space: nowrap;
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-bright);
  border-color: var(--accent-bright);
  box-shadow: 0 4px 20px var(--accent-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: var(--border-subtle);
}

.btn-danger {
  background: rgba(239,68,68,0.15);
  color: var(--danger);
  border-color: rgba(239,68,68,0.3);
}

.btn-danger:hover {
  background: rgba(239,68,68,0.25);
  border-color: var(--danger);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
  justify-content: center;
}

/* =============================================
   BADGES
   ============================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.badge-accent {
  background: var(--accent-muted);
  color: var(--accent);
  border-color: rgba(6,182,212,0.3);
}

.badge-success {
  background: rgba(16,185,129,0.15);
  color: var(--success);
  border-color: rgba(16,185,129,0.3);
}

.badge-warning {
  background: rgba(245,158,11,0.15);
  color: var(--warning);
  border-color: rgba(245,158,11,0.3);
}

.badge-danger {
  background: rgba(239,68,68,0.15);
  color: var(--danger);
  border-color: rgba(239,68,68,0.3);
}

.badge-muted {
  background: var(--bg-elevated);
  color: var(--text-muted);
  border-color: var(--border-mid);
}

/* ── Method Badges ───────────────────────────── */
.method-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
}

.badge-push {
  background: rgba(139,92,246,0.15);
  color: #8B5CF6;
  border-color: rgba(139,92,246,0.3);
}

.badge-pull {
  background: rgba(16,185,129,0.15);
  color: #10B981;
  border-color: rgba(16,185,129,0.3);
}

.badge-stream {
  background: rgba(6,182,212,0.15);
  color: #06B6D4;
  border-color: rgba(6,182,212,0.3);
}

.badge-xs {
  padding: 2px 7px;
  font-size: 0.68rem;
}

/* =============================================
   STREAM INDICATOR
   ============================================= */
.stream-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  position: relative;
  flex-shrink: 0;
}

.stream-indicator::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: rgba(16,185,129,0.4);
  animation: streamPulse 1.8s ease-in-out infinite;
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  z-index: 1;
  padding: 140px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: var(--accent);
  top: -200px;
  right: -100px;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: var(--accent2);
  bottom: -100px;
  left: -100px;
}

.hero-orb-3 {
  width: 300px;
  height: 300px;
  background: var(--accent3);
  top: 50%;
  left: 30%;
  transform: translate(-50%, -50%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 24px;
  padding: 6px 14px;
  background: var(--accent-muted);
  border: 1px solid rgba(6,182,212,0.25);
  border-radius: 100px;
  animation: fadeSlideDown 0.5s ease both;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 24px;
  animation: fadeSlideDown 0.6s 0.1s ease both;
}

.hero-title .accent {
  color: var(--accent);
  position: relative;
}

.hero-title .accent2 { color: var(--accent2); }
.hero-title .accent3 { color: var(--accent3); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: 40px;
  animation: fadeSlideDown 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeSlideDown 0.6s 0.3s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 48px;
  margin-top: 72px;
  padding-top: 48px;
  border-top: 1px solid var(--border-subtle);
  animation: fadeSlideDown 0.7s 0.5s ease both;
}

.stat-item { text-align: center; }

.stat-value {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}

/* =============================================
   PIPELINE HERO / FLOW
   ============================================= */
.pipeline-hero {
  position: relative;
  z-index: 1;
  margin-top: 60px;
  animation: fadeSlideDown 0.7s 0.4s ease both;
}

.pipeline-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 32px 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.pipeline-flow::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-muted), transparent 50%, rgba(139,92,246,0.05));
  pointer-events: none;
}

.source-node,
.sink-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.node-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.source-node:hover .node-icon,
.sink-node:hover .node-icon {
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}

.node-main .node-icon {
  width: 68px;
  height: 68px;
  font-size: 30px;
  background: linear-gradient(135deg, var(--accent-muted), rgba(139,92,246,0.1));
  border-color: rgba(6,182,212,0.4);
  box-shadow: 0 0 24px var(--accent-glow);
}

.node-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.flow-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  position: relative;
  z-index: 1;
}

.data-flow-line {
  width: 80px;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--accent) 0px,
    var(--accent) 6px,
    transparent 6px,
    transparent 12px
  );
  background-size: 24px 2px;
  animation: flowMove 1.2s linear infinite;
  position: relative;
}

.data-flow-line::after {
  content: '';
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 6px solid var(--accent);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}

.pipeline-methods {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.method-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: border-color 0.2s;
}

.method-item:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

/* =============================================
   SECTIONS
   ============================================= */
.section {
  position: relative;
  z-index: 1;
  padding: 80px 0;
}

.section-dark {
  background: var(--bg-surface);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.7;
}

.section-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-label-row h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.feature-link {
  font-size: 0.8rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}

.feature-link:hover { gap: 8px; }

/* =============================================
   FEATURES GRID
   ============================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 56px;
}

.feature-card {
  background: var(--bg-surface);
  padding: 36px 32px;
  transition: background 0.2s;
  position: relative;
}

.feature-card:hover { background: var(--bg-elevated); }

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-muted), transparent);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.feature-card:hover::after { opacity: 1; }

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-muted);
  border: 1px solid rgba(6,182,212,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
  position: relative;
  z-index: 1;
}

/* ── Icon color variants ─────────────────────── */
.icon-cyan {
  background: rgba(6,182,212,0.15);
  border-color: rgba(6,182,212,0.25);
  color: #06B6D4;
}

.icon-purple {
  background: rgba(139,92,246,0.15);
  border-color: rgba(139,92,246,0.25);
  color: #8B5CF6;
}

.icon-green {
  background: rgba(16,185,129,0.15);
  border-color: rgba(16,185,129,0.25);
  color: #10B981;
}

.icon-danger {
  background: rgba(239,68,68,0.15);
  border-color: rgba(239,68,68,0.25);
  color: #EF4444;
}

/* =============================================
   AUTH CARD
   ============================================= */
.auth-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.auth-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.6;
}

.auth-card-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.auth-card-sub {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  line-height: 1.5;
}

/* =============================================
   FORM ELEMENTS
   ============================================= */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-body);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.form-input::placeholder { color: var(--text-muted); }

.form-textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: var(--font-body);
  resize: vertical;
  min-height: 100px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

/* =============================================
   STATUS PILLS
   ============================================= */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.pill-success {
  background: rgba(16,185,129,0.12);
  color: #10B981;
  border-color: rgba(16,185,129,0.25);
}

.pill-danger {
  background: rgba(239,68,68,0.12);
  color: #EF4444;
  border-color: rgba(239,68,68,0.25);
}

.pill-warning {
  background: rgba(245,158,11,0.12);
  color: #F59E0B;
  border-color: rgba(245,158,11,0.25);
}

.pill-muted {
  background: var(--bg-elevated);
  color: var(--text-muted);
  border-color: var(--border-mid);
}

.pill-xs {
  padding: 2px 7px;
  font-size: 0.68rem;
}

/* =============================================
   CARDS (general)
   ============================================= */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: var(--border-mid);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-action {
  font-size: 0.8rem;
  color: var(--accent);
  cursor: pointer;
  transition: color 0.2s;
}

.card-action:hover { color: var(--accent-bright); }

.chart-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
}

/* =============================================
   API / ENDPOINT COMPONENTS
   ============================================= */
.api-method {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  min-width: 52px;
  text-align: center;
}

.method-get    { color: #10B981; }
.method-post   { color: #06B6D4; }
.method-put    { color: #F59E0B; }
.method-delete { color: #EF4444; }
.method-patch  { color: #8B5CF6; }

.endpoint-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.endpoint-card:hover {
  border-color: var(--border-mid);
  box-shadow: var(--shadow-card);
}

.endpoint-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.endpoint-path {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 500;
  flex: 1;
}

.endpoint-desc {
  padding: 14px 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.endpoint-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px 14px;
  flex-wrap: wrap;
}

.endpoint-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-base);
}

.endpoint-card-dash {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: border-color 0.2s;
}

.endpoint-card-dash:hover { border-color: var(--accent); }

.api-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.api-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.api-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* ── Doc layout ──────────────────────────────── */
.doc-layout {
  display: flex;
  gap: 0;
  min-height: calc(100vh - 64px);
  padding-top: 64px;
}

.doc-sidebar {
  width: 280px;
  flex-shrink: 0;
  padding: 32px 0;
  border-right: 1px solid var(--border-subtle);
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
  background: var(--bg-surface);
}

.sidebar-inner { padding: 0 20px; }

.sidebar-section { margin-bottom: 28px; }

.sidebar-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 0 12px;
  margin-bottom: 6px;
  display: block;
}

.sidebar-link {
  display: block;
  padding: 7px 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s;
  border-left: 2px solid transparent;
}

.sidebar-link:hover {
  color: var(--text-primary);
  background: var(--border-subtle);
}

.sidebar-link.active {
  color: var(--accent);
  background: var(--accent-muted);
  border-left-color: var(--accent);
}

.doc-content {
  flex: 1;
  max-width: 800px;
  padding: 40px 48px;
  min-width: 0;
}

.doc-section { margin-bottom: 56px; }

.doc-section-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.doc-intro {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.doc-meta-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.doc-callout {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border-left: 3px solid;
  margin: 20px 0;
  font-size: 0.875rem;
  line-height: 1.6;
}

.callout-info {
  background: var(--accent-muted);
  border-left-color: var(--accent);
  color: var(--text-secondary);
}

.callout-info strong { color: var(--accent); }

.callout-warning {
  background: rgba(245,158,11,0.08);
  border-left-color: var(--warning);
  color: var(--text-secondary);
}

.doc-endpoint-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.doc-endpoint-row:last-child { border-bottom: none; }

.doc-endpoint-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.doc-mode-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.doc-mode-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color 0.2s;
}

.doc-mode-card:hover { border-color: var(--accent); }

.doc-mode-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.doc-mode-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* =============================================
   CODE BLOCKS
   ============================================= */
.code-block {
  background: #0A0D16;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 16px 0;
}

[data-theme="light"] .code-block {
  background: #1E2435;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-mid);
  background: rgba(255,255,255,0.03);
}

.code-header-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.copy-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--bg-elevated);
}

.copy-btn.copied {
  color: var(--success);
  border-color: rgba(16,185,129,0.3);
}

.code-block pre {
  padding: 20px;
  overflow-x: auto;
  margin: 0;
}

.code-block code {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  color: #E2E8F0;
}

/* ── Code Tabs ───────────────────────────────── */
.code-tabs { margin: 16px 0; }

.tab-nav {
  display: flex;
  gap: 2px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.tab-btn {
  padding: 10px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  margin-bottom: -1px;
}

.tab-btn:hover { color: var(--text-secondary); }

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Response Block ──────────────────────────── */
.response-block {
  background: #06080F;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 16px 0;
}

[data-theme="light"] .response-block {
  background: #141929;
}

.response-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.response-header-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success);
  letter-spacing: 0.05em;
}

.response-block pre {
  padding: 20px;
  overflow-x: auto;
  margin: 0;
}

.response-block code {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.85rem;
  line-height: 1.7;
  color: #A8D8A8;
}

/* =============================================
   PARAMETER TABLE
   ============================================= */
.param-table-wrap {
  overflow-x: auto;
  margin: 16px 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
}

.param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.param-table thead tr {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-mid);
}

.param-table thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  white-space: nowrap;
}

.param-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background 0.15s;
}

.param-table tbody tr:last-child { border-bottom: none; }

.param-table tbody tr:hover { background: var(--bg-elevated); }

.param-table td {
  padding: 12px 16px;
  color: var(--text-secondary);
  vertical-align: top;
  line-height: 1.5;
}

.param-table td:first-child {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.82rem;
  color: var(--accent);
  white-space: nowrap;
}

.param-table td code {
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.82rem;
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

/* =============================================
   DASHBOARD
   ============================================= */
.dashboard-page {
  min-height: 100vh;
  padding-top: 64px;
  background: var(--bg-base);
}

.dashboard-wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px;
}

/* ── Page Header ─────────────────────────────── */
.page-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.page-header-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.page-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ── Live Badge ──────────────────────────────── */
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 12px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success);
  letter-spacing: 0.03em;
}

/* ── Dashboard Grid ──────────────────────────── */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.dashboard-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

/* ── Metric Cards ────────────────────────────── */
.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.metric-card:hover {
  border-color: var(--border-mid);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.metric-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}

.metric-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.metric-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 6px;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}

.metric-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 600;
}

.metric-danger .metric-value { color: var(--danger); }

.trend-up   { color: var(--success); }
.trend-down { color: var(--danger); }
.trend-neutral { color: var(--text-muted); }

/* =============================================
   SOURCES LIST
   ============================================= */
.sources-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.source-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  transition: background 0.15s;
}

.source-row:hover { background: var(--bg-elevated); }

.source-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-active  { background: var(--success); box-shadow: 0 0 6px rgba(16,185,129,0.5); }
.status-paused  { background: var(--warning); }
.status-error   { background: var(--danger);  box-shadow: 0 0 6px rgba(239,68,68,0.5); }
.status-idle    { background: var(--text-muted); }

.source-info { flex: 1; min-width: 0; }

.source-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.source-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.source-status {
  font-size: 0.72rem;
  font-weight: 600;
  flex-shrink: 0;
}

/* =============================================
   LOG STREAM
   ============================================= */
.log-stream {
  max-height: 320px;
  overflow-y: auto;
  font-family: 'Roboto Mono', 'Courier New', monospace;
  font-size: 0.78rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border-mid) transparent;
}

.log-stream::-webkit-scrollbar { width: 4px; }
.log-stream::-webkit-scrollbar-track { background: transparent; }
.log-stream::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 2px; }

.log-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-subtle);
  line-height: 1.4;
}

.log-row:last-child { border-bottom: none; }

.log-row-new {
  animation: slideInRight 0.3s ease both;
}

.log-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-family: var(--font-body);
}

.log-time {
  color: var(--text-muted);
  flex-shrink: 0;
  font-size: 0.72rem;
}

.log-event {
  color: var(--text-primary);
  flex: 1;
}

.log-source {
  color: var(--text-muted);
  font-size: 0.7rem;
  flex-shrink: 0;
}

/* =============================================
   SYSTEM BADGE
   ============================================= */
.system-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* =============================================
   EMPTY STATE
   ============================================= */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  gap: 12px;
}

.empty-state-icon {
  font-size: 2.5rem;
  opacity: 0.4;
  margin-bottom: 4px;
}

.empty-state-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.empty-state-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 300px;
  line-height: 1.5;
}

/* =============================================
   TEST PANEL
   ============================================= */
.test-panel-body {
  display: flex;
  gap: 24px;
}

.test-panel-left  { flex: 1; min-width: 0; }
.test-panel-right { flex: 1; min-width: 0; }

/* =============================================
   QUICKSTART SECTION
   ============================================= */
.quickstart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.quickstart-info h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.quickstart-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* =============================================
   STEPS
   ============================================= */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 48px;
}

.step-card {
  padding: 32px 24px;
  position: relative;
}

.step-divider {
  position: absolute;
  top: 44px;
  right: 0;
  width: 1px;
  height: 32px;
  background: var(--border-mid);
}

.step-card:last-child .step-divider { display: none; }

.step-number {
  width: 40px;
  height: 40px;
  background: var(--accent-muted);
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.step-card h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* =============================================
   FOOTER (extended BigData version)
   ============================================= */
.footer {
  position: relative;
  z-index: 1;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand-col { max-width: 280px; }

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-socials {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 34px;
  height: 34px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: var(--text-muted);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.social-link:hover {
  color: var(--text-primary);
  border-color: var(--accent);
  background: var(--accent-muted);
}

.footer-links-col h4 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.footer-links-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-col li a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color 0.2s;
}

.footer-links-col li a:hover { color: var(--text-primary); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-bottom-right a {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-bottom-right a:hover { color: var(--text-secondary); }

/* SSO-compat simple footer */
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 32px 0;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--text-secondary); }

/* ── Version Badge ───────────────────────────── */
.version-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  background: var(--accent-muted);
  border: 1px solid rgba(6,182,212,0.25);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes streamPulse {
  0%   { transform: scale(1);   opacity: 0.8; }
  50%  { transform: scale(1.8); opacity: 0; }
  100% { transform: scale(1);   opacity: 0; }
}

@keyframes flowMove {
  from { background-position: 0 0; }
  to   { background-position: 24px 0; }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Animation utility classes ───────────────── */
.fade-in-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   UTILITIES
   ============================================= */
.text-accent    { color: var(--accent); }
.text-accent2   { color: var(--accent2); }
.text-accent3   { color: var(--accent3); }
.text-muted     { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-center    { text-align: center; }
.text-right     { text-align: right; }

.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col     { display: flex; flex-direction: column; }
.gap-8        { gap: 8px; }
.gap-12       { gap: 12px; }
.gap-16       { gap: 16px; }
.gap-24       { gap: 24px; }

.w-full  { width: 100%; }
.h-full  { height: 100%; }

.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sr-only {
  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-subtle);
  margin: 24px 0;
}

/* =============================================
   SCROLLBAR (global)
   ============================================= */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-mid) transparent;
}

*::-webkit-scrollbar { width: 6px; height: 6px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--border-mid);
  border-radius: 3px;
}
*::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1200px) {
  .dashboard-grid   { grid-template-columns: repeat(2, 1fr); }
  .metrics-row      { grid-template-columns: repeat(2, 1fr); }
  .footer-grid      { grid-template-columns: 1fr 1fr; gap: 32px; }
  .steps-grid       { grid-template-columns: repeat(2, 1fr); }
  .api-overview-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
  .doc-layout { flex-direction: column; }
  .doc-sidebar {
    width: 100%;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding: 20px 0;
  }
  .doc-content { padding: 32px 24px; max-width: 100%; }
  .quickstart-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  /* Navbar */
  .navbar-nav   { display: none; }
  .mobile-toggle { display: flex; }
  .navbar-inner { padding: 0 20px; }

  /* Hero */
  .hero { padding: 120px 0 60px; }
  .hero-stats { gap: 28px; flex-wrap: wrap; }
  .stat-value { font-size: 1.4rem; }
  .hero-actions { flex-direction: column; align-items: flex-start; }

  /* Pipeline */
  .pipeline-flow { padding: 20px; flex-wrap: wrap; gap: 8px; }
  .data-flow-line { width: 40px; }

  /* Sections */
  .features-grid        { grid-template-columns: 1fr; }
  .dashboard-grid       { grid-template-columns: 1fr; }
  .metrics-row          { grid-template-columns: 1fr; }
  .dashboard-two-col    { grid-template-columns: 1fr; }
  .api-grid             { grid-template-columns: 1fr; }
  .api-overview-grid    { grid-template-columns: 1fr; }
  .doc-mode-grid        { grid-template-columns: 1fr; }
  .steps-grid           { grid-template-columns: 1fr; }
  .quickstart-grid      { grid-template-columns: 1fr; }
  .test-panel-body      { flex-direction: column; }

  /* Auth card */
  .auth-card { padding: 28px 24px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 12px; }

  /* Dashboard */
  .dashboard-wrap { padding: 20px 16px; }
  .page-header-inner { flex-direction: column; align-items: flex-start; }

  /* Metric value */
  .metric-value { font-size: 1.75rem; }

  /* Section label row */
  .section-label-row { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* Container */
  .container       { padding: 0 16px; }
  .container-wide  { padding: 0 16px; }

  /* Doc layout */
  .doc-content { padding: 24px 16px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .section-title { font-size: 1.6rem; }
  .pipeline-methods { flex-direction: column; align-items: stretch; }
  .method-item { justify-content: center; }
  .tab-btn { padding: 8px 10px; font-size: 0.75rem; }
}
/* =============================================
   PATCHES - navbar, theme-menu, hero, mesh-bg
   ============================================= */

/* Navbar ul li a fix */.navbar-nav { display:flex; align-items:center; gap:4px; flex:1; list-style:none; margin:0; padding:0; }.navbar-nav li a { font-size:0.875rem; font-weight:500; color:var(--text-secondary); padding:6px 12px; border-radius:var(--radius-sm); transition:color 0.2s,background 0.2s; display:block; }.navbar-nav li a:hover,.navbar-nav li a.active { color:var(--text-primary); background:var(--border-subtle); }.navbar-nav li a.active { color:var(--accent); }.navbar-nav-wrap { flex:1; }

/* =============================================
   FIX PATCH 2 - theme-menu, mesh-bg, canvas, hero, mobile-nav
   ============================================= */

/* Canvas + mesh bg z-index */
#fluid-canvas {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -2; pointer-events: none;
}
.mesh-bg {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -1; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(6,182,212,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 80%, rgba(139,92,246,0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(16,185,129,0.04) 0%, transparent 70%);
}

/* Theme toggle wrap + dropdown */
.theme-toggle-wrap { position: relative; }
.theme-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  padding: 6px;
  min-width: 130px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 200;
  flex-direction: column;
  gap: 2px;
  animation: fadeSlideDown 0.15s ease;
}
.theme-menu.open { display: flex; }
.theme-menu-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.8rem; font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  width: 100%; text-align: left;
}
.theme-menu-item:hover { background: var(--border-subtle); color: var(--text-primary); }
.theme-menu-item.active { color: var(--accent); background: var(--accent-muted); }

/* Hero section tighter spacing */
.hero {
  padding: 100px 0 60px;
  position: relative; z-index: 1; text-align: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px;
  background: var(--accent-muted);
  border: 1px solid rgba(6,182,212,0.3);
  border-radius: 100px;
  font-size: 0.78rem; font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 28px;
  animation: fadeIn 0.6s ease;
}
.hero-title {
  font-family: var(--font-display);
  font-size: 3.2rem; font-weight: 900;
  color: var(--text-primary);
  line-height: 1.1; letter-spacing: -0.03em;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease 0.1s both;
}
.hero-subtitle {
  font-size: 1.05rem; color: var(--text-secondary);
  max-width: 580px; margin: 0 auto 32px;
  line-height: 1.7;
  animation: fadeInUp 0.6s ease 0.2s both;
}
.hero-actions {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; flex-wrap: wrap;
  margin-bottom: 48px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

/* Hero stats */
.hero-stats {
  display: flex; justify-content: center; gap: 48px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 40px;
  animation: fadeInUp 0.6s ease 0.4s both;
}
.stat-item { text-align: center; }
.stat-value {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-display);
  font-size: 1.8rem; font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.stat-label { font-size: 0.8rem; color: var(--text-muted); letter-spacing: 0.02em; }

/* Section base */
.section { padding: 80px 0; position: relative; z-index: 1; }
.section-dark { background: var(--bg-surface); }
.section-header { text-align: center; margin-bottom: 48px; }
.section-badge {
  display: inline-block;
  padding: 4px 14px;
  background: var(--accent-muted);
  border: 1px solid rgba(6,182,212,0.25);
  border-radius: 100px;
  font-size: 0.75rem; font-weight: 600;
  color: var(--accent); letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: 2.2rem; font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1rem; color: var(--text-secondary);
  max-width: 560px; margin: 0 auto; line-height: 1.7;
}

/* Feature cards */
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: var(--border-mid);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}
.feature-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.icon-cyan  { background: var(--accent-muted); color: var(--accent); }
.icon-purple { background: var(--accent2-muted); color: var(--accent2); }
.icon-green  { background: var(--accent3-muted); color: var(--accent3); }
.icon-danger { background: rgba(239,68,68,0.12); color: var(--danger); }
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.875rem; color: var(--text-secondary);
  line-height: 1.6; margin-bottom: 12px;
}
.feature-link { font-size: 0.8rem; color: var(--accent); }
.feature-link:hover { text-decoration: underline; }

/* Mobile nav ul li a */
.mobile-nav ul { list-style: none; padding: 0; margin: 0 0 12px; }
.mobile-nav ul li a {
  display: block; padding: 10px 12px;
  font-size: 0.9rem; color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
}
.mobile-nav ul li a:hover { color: var(--text-primary); background: var(--border-subtle); }
.mobile-nav-actions { display: flex; gap: 8px; padding-top: 12px; border-top: 1px solid var(--border-subtle); }

/* Stream indicator */
.stream-indicator {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--success);
  border-radius: 50%;
  position: relative; flex-shrink: 0;
}
.stream-indicator::after {
  content: '';
  position: absolute; inset: -3px;
  border-radius: 50%;
  background: rgba(16,185,129,0.4);
  animation: streamPulse 1.8s ease-out infinite;
}

/* Pipeline hero */
.pipeline-hero {
  margin: 0 auto 0;
  max-width: 800px;
}
.pipeline-flow {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-bottom: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 28px 32px;
}
.source-node {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  flex: 1; text-align: center;
}
.source-node span { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.source-node small { font-size: 0.72rem; color: var(--text-muted); }
.node-icon {
  width: 48px; height: 48px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.node-main {
  background: var(--accent-muted);
  border-color: rgba(6,182,212,0.4);
  color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}
.flow-arrow {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 0 12px; flex-shrink: 0;
}
.data-flow-line {
  width: 60px; height: 2px;
  background-image: repeating-linear-gradient(90deg, var(--accent) 0px, var(--accent) 6px, transparent 6px, transparent 12px);
  animation: flowMove 1s linear infinite;
}
.pipeline-methods {
  display: flex; justify-content: center; gap: 20px; flex-wrap: wrap;
}
.method-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--text-secondary);
}

/* API overview grid */
.api-overview-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 16px;
  margin-bottom: 32px;
}
.api-cta { text-align: center; }

/* Quickstart grid */
.quickstart-grid {
  display: grid; grid-template-columns: 1fr 2fr; gap: 48px; align-items: start;
}
.quickstart-info h3 {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  color: var(--text-primary); margin-bottom: 8px; margin-top: 20px;
}
.quickstart-info h3:first-child { margin-top: 0; }
.quickstart-info p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }
.quickstart-info code {
  background: var(--bg-elevated); border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm); padding: 1px 6px;
  font-size: 0.82rem; color: var(--accent);
}

/* Fix btn-xs */
.btn-xs { padding: 4px 10px; font-size: 0.75rem; border-radius: var(--radius-sm); }


/* =============================================
   PATCH 3 - Auth, Modals, Tables, Forms, Dashboard, Bar Chart
   ============================================= */

/* Auth page */
.auth-page body, body.auth-page { background: var(--bg-base); }
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-card { width: 100%; max-width: 420px; background: var(--bg-card); border: 1px solid var(--border-mid); border-radius: var(--radius-xl); padding: 40px 36px; box-shadow: var(--shadow-card); }
.auth-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 28px; }
.auth-tabs { display: flex; gap: 4px; background: var(--bg-elevated); border-radius: var(--radius-md); padding: 4px; margin-bottom: 24px; }
.auth-tab { flex: 1; text-align: center; padding: 8px; border-radius: 8px; font-size: 0.85rem; font-weight: 600; color: var(--text-muted); transition: background 0.2s, color 0.2s; }
.auth-tab.active { background: var(--bg-surface); color: var(--text-primary); box-shadow: 0 1px 4px rgba(0,0,0,0.2); }
.auth-tab:hover { color: var(--text-secondary); }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-footer-note { margin-top: 20px; font-size: 0.75rem; color: var(--text-muted); text-align: center; }
.auth-footer-note a { color: var(--accent); }

/* Forms */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); }
.form-label .req { color: var(--danger); }
.form-input { background: var(--bg-elevated); border: 1px solid var(--border-mid); border-radius: var(--radius-md); padding: 10px 14px; font-size: 0.875rem; color: var(--text-primary); font-family: var(--font-body); transition: border-color 0.2s, box-shadow 0.2s; width: 100%; box-sizing: border-box; }
.form-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-muted); }
.form-input::placeholder { color: var(--text-muted); }
.form-input-sm { padding: 7px 10px; font-size: 0.8rem; }
select.form-input { cursor: pointer; }
textarea.form-input { resize: vertical; min-height: 80px; }
.input-wrap { position: relative; }
.input-wrap .form-input { padding-right: 40px; }
.input-eye { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: none; border: none; color: var(--text-muted); cursor: pointer; display: flex; align-items: center; padding: 4px; }
.input-eye:hover { color: var(--text-primary); }

/* Alerts */
.alert { padding: 12px 16px; border-radius: var(--radius-md); font-size: 0.875rem; border: 1px solid transparent; }
.alert-danger { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); color: #FCA5A5; }
.alert-success { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); color: #6EE7B7; }
.alert-info { background: var(--accent-muted); border-color: rgba(6,182,212,0.3); color: var(--accent); }
.mb-16 { margin-bottom: 16px; }

/* Modals */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px); z-index: 500; align-items: center; justify-content: center; padding: 20px; }
.modal-overlay.open { display: flex; }
.modal-box { background: var(--bg-card); border: 1px solid var(--border-mid); border-radius: var(--radius-xl); width: 100%; max-width: 520px; box-shadow: 0 24px 64px rgba(0,0,0,0.6); animation: fadeSlideDown 0.2s ease; }
.modal-sm { max-width: 380px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px 0; }
.modal-header h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--text-primary); }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 1.4rem; cursor: pointer; line-height: 1; padding: 4px; }
.modal-close:hover { color: var(--text-primary); }
.modal-form { padding: 20px 24px 24px; display: flex; flex-direction: column; gap: 14px; }
.modal-body-text { padding: 12px 24px; font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; padding-top: 8px; }

/* Tables */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.data-table th { padding: 10px 14px; text-align: left; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); border-bottom: 1px solid var(--border-subtle); white-space: nowrap; }
.data-table td { padding: 12px 14px; border-bottom: 1px solid var(--border-subtle); vertical-align: middle; color: var(--text-secondary); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-elevated); }
.nowrap { white-space: nowrap; }
.source-desc { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.metric-num { font-family: var(--font-display); font-weight: 700; color: var(--text-primary); }
.event-name { background: var(--bg-elevated); border: 1px solid var(--border-subtle); border-radius: 4px; padding: 2px 6px; font-size: 0.78rem; color: var(--accent); }
.source-link { display: inline-flex; align-items: center; gap: 6px; color: var(--text-secondary); }
.source-link:hover { color: var(--text-primary); }
.action-btns { display: flex; gap: 4px; }

/* API key cell */
.apikey-cell { display: flex; align-items: center; gap: 6px; }
.apikey-val { font-size: 0.78rem; color: var(--text-muted); font-family: monospace; background: var(--bg-elevated); padding: 3px 8px; border-radius: 4px; border: 1px solid var(--border-subtle); }
.btn-icon-sm { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 4px; border-radius: 4px; display: inline-flex; align-items: center; }
.btn-icon-sm:hover { background: var(--bg-elevated); color: var(--text-primary); }

/* Bar Chart */
.bar-chart { display: flex; align-items: flex-end; gap: 8px; height: 140px; padding: 0 4px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; }
.bar-wrap { flex: 1; width: 100%; display: flex; align-items: flex-end; }
.bar-fill { width: 100%; background: linear-gradient(180deg, var(--accent), rgba(6,182,212,0.4)); border-radius: 4px 4px 0 0; transition: height 0.8s ease; min-height: 4px; cursor: pointer; }
.bar-fill:hover { background: linear-gradient(180deg, var(--accent-bright), var(--accent)); }
.bar-label { font-size: 0.7rem; color: var(--text-muted); text-align: center; }

/* Filter bar */
.filter-bar { padding: 16px 20px; }
.filter-row { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; }
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group label { font-size: 0.72rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.filter-actions { display: flex; gap: 6px; align-items: flex-end; margin-left: auto; }

/* Pagination */
.pagination { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 16px 0 8px; border-top: 1px solid var(--border-subtle); margin-top: 8px; }
.page-info { font-size: 0.8rem; color: var(--text-muted); }

/* Source dot */
.source-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-active  { background: var(--success); box-shadow: 0 0 6px rgba(16,185,129,0.5); }
.status-paused  { background: var(--warning); }
.status-error   { background: var(--danger); box-shadow: 0 0 6px rgba(239,68,68,0.5); }
.status-warning { background: var(--warning); }

/* Live badge */
.live-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.25); border-radius: 100px; font-size: 0.75rem; font-weight: 600; color: var(--success); }

/* Dashboard grid */
.dashboard-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 24px; }
.metrics-row {}
.dashboard-two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; }
.api-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-bottom: 24px; }
.dashboard-wrap { padding-top: 80px; padding-bottom: 60px; min-height: 100vh; }

/* Page header */
.page-header { background: var(--bg-surface); border-bottom: 1px solid var(--border-subtle); padding: 24px 0; margin-bottom: 28px; }
.page-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.page-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.02em; margin-bottom: 2px; }
.page-subtitle { font-size: 0.85rem; color: var(--text-muted); }
.page-header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* Chart card */
.chart-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 20px 24px; box-shadow: var(--shadow-card); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-family: var(--font-display); font-size: 0.9rem; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.card-action { font-size: 0.8rem; color: var(--accent); transition: color 0.2s; }
.card-action:hover { color: var(--accent-bright); }

/* Metric card */
.metric-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-card); }
.metric-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.metric-label { font-size: 0.78rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.metric-value { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.02em; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.metric-danger { color: var(--danger); }
.metric-trend { font-size: 0.75rem; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }
.trend-up   { color: var(--success); }
.trend-down { color: var(--danger); }
.metric-icon { width: 36px; height: 36px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }

/* Log stream */
.log-stream { max-height: 320px; overflow-y: auto; font-family: monospace; font-size: 0.78rem; }
.log-row { display: flex; align-items: center; gap: 10px; padding: 7px 4px; border-bottom: 1px solid var(--border-subtle); }
.log-row:last-child { border-bottom: none; }
.log-row-new { animation: slideInRight 0.3s ease; }
.log-time { color: var(--text-muted); white-space: nowrap; flex-shrink: 0; }
.log-event { color: var(--text-primary); font-weight: 600; flex: 1; }
.log-source { font-size: 0.72rem; }
.log-empty { padding: 32px; text-align: center; color: var(--text-muted); font-size: 0.85rem; }

/* Sources list */
.sources-list { display: flex; flex-direction: column; gap: 0; }
.source-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 4px; border-bottom: 1px solid var(--border-subtle); }
.source-row:last-child { border-bottom: none; }
.source-info { display: flex; align-items: center; gap: 12px; }
.source-meta { display: flex; align-items: center; gap: 8px; margin-top: 3px; flex-wrap: wrap; }

/* Status pills */
.status-pill { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 100px; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; }
.pill-success { background: rgba(16,185,129,0.12); color: var(--success); border: 1px solid rgba(16,185,129,0.25); }
.pill-danger  { background: rgba(239,68,68,0.12); color: var(--danger); border: 1px solid rgba(239,68,68,0.25); }
.pill-warning { background: rgba(245,158,11,0.12); color: var(--warning); border: 1px solid rgba(245,158,11,0.25); }
.pill-muted   { background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border-mid); }
.pill-xs { padding: 2px 7px; font-size: 0.66rem; }

/* Method badges */
.method-badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 6px; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; white-space: nowrap; }
.badge-push   { background: rgba(139,92,246,0.15); color: #A78BFA; border: 1px solid rgba(139,92,246,0.3); }
.badge-pull   { background: rgba(16,185,129,0.15); color: #34D399; border: 1px solid rgba(16,185,129,0.3); }
.badge-stream { background: rgba(6,182,212,0.15); color: #22D3EE; border: 1px solid rgba(6,182,212,0.3); }
.badge-xs { padding: 2px 6px; font-size: 0.64rem; }

/* API method labels */
.api-method { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 4px; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.06em; flex-shrink: 0; }
.method-get    { background: rgba(16,185,129,0.12); color: #34D399; border: 1px solid rgba(16,185,129,0.25); }
.method-post   { background: rgba(6,182,212,0.12); color: #22D3EE; border: 1px solid rgba(6,182,212,0.25); }
.method-put    { background: rgba(245,158,11,0.12); color: #FCD34D; border: 1px solid rgba(245,158,11,0.25); }
.method-delete { background: rgba(239,68,68,0.12); color: #FCA5A5; border: 1px solid rgba(239,68,68,0.25); }

/* Endpoint cards */
.endpoint-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); padding: 20px; transition: border-color 0.2s, box-shadow 0.2s; }
.endpoint-card:hover { border-color: var(--border-mid); box-shadow: var(--shadow-card); }
.endpoint-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.endpoint-path { font-family: monospace; font-size: 0.82rem; color: var(--text-primary); }
.endpoint-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; margin-bottom: 12px; }
.endpoint-meta { display: flex; gap: 6px; flex-wrap: wrap; }
.endpoint-actions { display: flex; gap: 6px; margin-top: 12px; }
.endpoint-card-dash { background: var(--bg-elevated); }

/* Section label row */
.section-label-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.section-label-row h3 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 700; color: var(--text-primary); }

/* System badge */
.system-badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; background: var(--bg-elevated); border: 1px solid var(--border-mid); border-radius: 4px; font-size: 0.72rem; color: var(--text-muted); }

/* Code block */
.code-block { background: var(--bg-elevated); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 16px; }
.code-header { display: flex; align-items: center; justify-content: space-between; padding: 8px 14px; background: var(--bg-surface); border-bottom: 1px solid var(--border-subtle); font-size: 0.75rem; color: var(--text-muted); }
.copy-btn { font-size: 0.72rem; color: var(--accent); background: none; border: none; cursor: pointer; padding: 2px 6px; }
.copy-btn:hover { color: var(--accent-bright); }
.code-block pre { margin: 0; padding: 16px; overflow-x: auto; font-size: 0.78rem; line-height: 1.6; color: var(--text-primary); }
.code-block code { font-family: 'Courier New', monospace; }

/* Code tabs */
.code-tabs { margin-top: 8px; }
.tab-nav { display: flex; gap: 2px; background: var(--bg-elevated); border-radius: var(--radius-md) var(--radius-md) 0 0; border: 1px solid var(--border-subtle); border-bottom: none; padding: 4px 4px 0; }
.tab-btn { padding: 7px 14px; border-radius: 6px 6px 0 0; font-size: 0.78rem; font-weight: 600; color: var(--text-muted); background: none; border: none; cursor: pointer; transition: color 0.15s, background 0.15s; }
.tab-btn.active { color: var(--text-primary); background: var(--bg-surface); }
.tab-btn:hover { color: var(--text-secondary); }
.tab-content { display: none; }
.tab-content.active { display: block; }
.tab-content .code-block { border-radius: 0 0 var(--radius-md) var(--radius-md); margin-bottom: 0; }

/* Empty state */
.empty-state { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 48px 20px; text-align: center; }
.empty-state p { font-size: 0.875rem; color: var(--text-muted); }

/* Responsive patches */
@media (max-width: 1024px) {
  .dashboard-grid { grid-template-columns: repeat(2,1fr); }
  .api-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .dashboard-two-col { grid-template-columns: 1fr; }
  .dashboard-grid { grid-template-columns: repeat(2,1fr); }
  .api-grid { grid-template-columns: 1fr 1fr; }
  .filter-row { flex-direction: column; align-items: stretch; }
  .filter-actions { margin-left: 0; }
  .page-header-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .auth-card { padding: 28px 20px; }
  .modal-box { margin: 16px; }
}