/* tokens.css — CyberHub design system
   Concept: a Security Operations Center console, not a movie-hacker theme.
   Palette: deep slate console + signal green / alert coral / info blue as status colors.
*/

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600;700&display=swap');

:root {
  /* Color */
  --bg: #0B0E14;
  --bg-raised: #0F1420;
  --panel: #151B29;
  --panel-border: #232B3D;
  --ink: #F5F7FA;
  --ink-dim: #9AA5B8;
  --ink-faint: #5C6579;

  --signal: #3DDC97;       /* success / secure / online */
  --signal-dim: #1F5A42;
  --alert: #FF6B5E;        /* danger / critical */
  --alert-dim: #6B2E29;
  --warn: #F5B942;         /* medium severity */
  --info: #5B8DEF;         /* links, informational */

  --grid-line: rgba(255, 255, 255, 0.06);

  /* Type */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Layout */
  --radius: 6px;
  --radius-lg: 10px;
  --max-width: 1240px;
  --nav-height: 64px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.3rem; }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1em; color: var(--ink-dim); }

a { color: var(--info); text-decoration: none; }
a:hover { text-decoration: underline; }

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

button, input, select, textarea { font-family: inherit; }

/* Focus visibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 8px var(--signal);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--signal);
  color: #06140D;
}
.btn-primary:hover { background: #57e8ab; }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--panel-border);
}
.btn-secondary:hover { border-color: var(--ink-dim); }

.btn-ghost {
  background: transparent;
  color: var(--ink-dim);
}
.btn-ghost:hover { color: var(--ink); }

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 4px;
  display: inline-block;
}
.tag-signal { background: rgba(61, 220, 151, 0.12); color: var(--signal); }
.tag-alert { background: rgba(255, 107, 94, 0.14); color: var(--alert); }
.tag-warn { background: rgba(245, 185, 66, 0.14); color: var(--warn); }
.tag-info { background: rgba(91, 141, 239, 0.14); color: var(--info); }

.stat-value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 2.1rem;
  color: var(--ink);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.divider {
  height: 1px;
  background: var(--panel-border);
  border: none;
  margin: 40px 0;
}

.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;
}

::selection {
  background: var(--signal);
  color: #06140D;
}

/* Scrollbar (webkit) */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--panel-border); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-faint); }