/*
 * shared.css — design system tokens and base styles shared across:
 *   public/console/index.html
 *   public/credential/index.html
 *   public/notes.html
 *   public/posts.html
 *   public/posts-admin.html
 *
 * DO NOT edit public/index.html via this file — it uses a different theme
 * switching mechanism (body.light class) and is maintained independently.
 */

/* === TOKENS === */

:root {
  --accent: #7dd3fc;
  --accent-2: #ffd479;
  --warn: #ff6a6a;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --serif: "Newsreader", Georgia, serif;
  --gap: 28px;
  --pad: 28px;
}

html[data-theme="dark"] {
  --bg: #08090d;
  --bg-2: #0c0e14;
  --line: rgba(125, 211, 252, 0.10);
  --line-strong: rgba(125, 211, 252, 0.22);
  --text: #d4dde9;
  --text-dim: #6b7685;
  --text-mute: #475060;
  --tile-bg: rgba(125, 211, 252, 0.05);
}

html[data-theme="light"] {
  --bg: #f3f6f9;
  --bg-2: #e7ecf2;
  --line: rgba(14, 60, 100, 0.09);
  --line-strong: rgba(14, 60, 100, 0.20);
  --text: #111b24;
  --text-dim: #596977;
  --text-mute: #8896a5;
  --tile-bg: rgba(14, 60, 100, 0.04);
  --accent: #7dd3fc;
  --accent-2: #8a5a00;
  --warn: #b91c1c;
}

/* === RESET === */

* { box-sizing: border-box; }
html, body {
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: clip;
}
*::selection { background: var(--accent); color: var(--bg); }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* === LAYOUT === */

.wrap {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}

/* === TOPBAR === */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px) saturate(140%);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
}
.topbar-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 32px;
  max-width: 1180px;
  margin: 0 auto;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
  flex: 0 0 auto;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.topbar .brand { color: var(--text); letter-spacing: 0.02em; white-space: nowrap; }
.topbar .nav { display: flex; gap: 14px; margin-left: auto; }
.topbar .nav a { color: var(--text-dim); transition: color .2s; }
.topbar .nav a:hover { color: var(--accent); }
.topbar .spacer { flex: 1; }
.topbar .clock { color: var(--text-dim); min-width: 164px; white-space: nowrap; }

.theme-toggle {
  appearance: none;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--text-dim);
  width: 28px;
  height: 26px;
  border-radius: 7px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  transition: color .2s, border-color .2s, background .2s;
  flex: 0 0 auto;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 8%, transparent);
}

/* === DECORATIVE === */

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 20%, rgba(0,0,0,1) 0%, rgba(0,0,0,0.45) 60%, rgba(0,0,0,0) 100%);
}

.scan {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0.16;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 3px);
}
html[data-theme="light"] .scan { display: none; }

/* === MEDIA === */

@media (max-width: 880px) {
  .topbar-inner { padding: 10px 18px; gap: 10px; flex-wrap: nowrap; }
  .topbar .nav, .topbar .clock { display: none; }
  .theme-toggle { margin-left: auto; }
  .wrap { padding: 0 18px; }
}

@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .dot { animation: none; }
}