/* =========================================================
   muzammilimtiaz.com — "laptop tabs" theme
   base.css — reset, color tokens (light/dark), global page chrome
   (site header, brand mark, theme toggle)
   ========================================================= */

:root {
  --paper: #ffffff;
  --paper-dark: #f2f2f0;
  --paper-line: #e2e1dc;
  --ink: #211e1a;
  --ink-soft: #55524c;
  --ink-faint: #8b877e;
  --graphite: #3c3a36;
  --graphite-dark: #211f1c;
  --graphite-light: #57534c;
  --accent: #b5482a;
  --accent-soft: #d97a52;
  --accent-2: #2f6f4f;
  --gold: #b8863b;
  --shadow: rgba(30, 24, 12, 0.28);
  --radius-lg: 16px;
  --font-sans: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;
  --font-hand: 'Caveat', cursive;
  --tab-w: 152px;
  --desk-1: #ffffff;
  --desk-2: #f2f2f0;
  --desk-3: #e6e5e0;
  --on-desk: #211e1a;
  --on-desk-soft: rgba(33,30,26,0.65);
  --on-desk-border: rgba(33,30,26,0.18);
  --on-desk-hover: rgba(33,30,26,0.06);
}

[data-theme="dark"] {
  --paper: #1d1a16;
  --paper-dark: #16130f;
  --paper-line: #332e26;
  --ink: #f1e6d2;
  --ink-soft: #cbb99c;
  --ink-faint: #8c7d63;
  --graphite: #232220;
  --graphite-dark: #121110;
  --graphite-light: #3a3835;
  --accent: #e07850;
  --accent-soft: #c9603a;
  --shadow: rgba(0, 0, 0, 0.6);
  --desk-1: #2a2723;
  --desk-2: #201d19;
  --desk-3: #171512;
  --on-desk: #f1e6d2;
  --on-desk-soft: rgba(241,230,210,0.7);
  --on-desk-border: rgba(241,230,210,0.25);
  --on-desk-hover: rgba(255,255,255,0.1);
  --desk-glow-1: rgba(255, 220, 170, 0.14);
  --desk-glow-2: rgba(180, 90, 40, 0.08);
}

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

/* every interactive control responds to a single tap immediately —
   no 300ms delay, no double-tap-to-zoom stealing the first tap */
a, button, [role="button"], .tab, .sidebar-item {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  color: var(--on-desk);
  background: var(--desk-2);
  transition: background 0.4s ease, color 0.4s ease;
}

.desk-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 20% 15%, var(--desk-glow-1, transparent), transparent 55%),
    radial-gradient(circle at 85% 80%, var(--desk-glow-2, transparent), transparent 50%),
    linear-gradient(160deg, var(--desk-1) 0%, var(--desk-2) 55%, var(--desk-3) 100%);
  transition: background 0.4s ease;
}

/* ---------- header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  pointer-events: none;
}
.site-header > * { pointer-events: auto; }

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--on-desk);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand-mark {
  font-family: var(--font-mono);
  color: var(--accent);
}

.brand .accent { color: var(--accent); }

.theme-toggle {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--on-desk-border);
  background: var(--on-desk-hover);
  color: var(--on-desk);
  font-size: 17px;
  cursor: pointer;
  transition: transform 0.25s ease, background 0.25s ease;
}
.theme-toggle:hover { transform: rotate(-12deg) scale(1.05); background: var(--on-desk-hover); }