@import url('../../mdformatting.css');
@import url('obsidian.css');
/* Shared, minimal styles for the site */
:root {
  /* Light mode defaults */
  --bg: #f7f7f8;
  --fg: #1b1b1d;
  --muted: #444;
  --accent: #0b66d6;
  --accent-hover: #0a53ad;
  --card: #ffffff;
  --border: #e6e6e9;
  /* Override Obsidian text color for light mode for readability */
  --text-soft: #222;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0e;
    --fg: #d0d0d0;
    --muted: #b9b9b9;
    --accent: var(--cyber-purple);
    --accent-hover: #7d46a0;
    --card: #121218;
    --border: #2a2a33;
    --text-soft: #d0d0d0;
  }
}

html, body { height: 100%; }
html { font-size: 140%; }
body {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
}

h1 { color: var(--cyber-red-1); }
h2 { color: var(--cyber-red-2); }
h3 { color: var(--cyber-red-3); }
h4 { color: var(--cyber-red-4); }
h5, h6 { color: var(--cyber-purple); }
p { color: var(--muted); }

.container { text-align: center; }
.tagline { font-size: 1.1rem; margin-top: 0.25rem; }

.buttons { margin-top: 1rem; }
.button {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 6px;
  margin: 10px 8px 0 8px;
  font-weight: 600;
  transition: background-color 0.18s ease-in-out, transform 0.06s ease-in-out;
}
.button:hover { background: var(--accent-hover); }
.button:active { transform: translateY(1px); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1rem auto;
  max-width: 900px;
  text-align: left;
}

.back { color: var(--accent); text-decoration: none; }
.back:hover { text-decoration: underline; }

.panel { display: none; }
.panel.active { display: block; }

.controls { display: flex; gap: 0.75rem; flex-wrap: wrap; margin: 0.5rem 0 1rem; }
label { font-weight: 600; color: var(--fg); }
input[type="range"], input[type="number"], select { padding: 4px; }

canvas, svg { width: 100%; max-width: 900px; height: auto; background: #fff; border: 1px solid var(--border); border-radius: 6px; }
.note { background: #fff7d6; border: 1px solid #f1e2a1; color: #5a4a00; padding: 0.75rem 1rem; border-radius: 8px; }

footer { margin-top: 2rem; color: #777; font-size: 0.9rem; }

/* Sidebar layout */
.layout { display: grid; grid-template-columns: 1fr; align-items: start; }
/* Sidebar becomes an off‑canvas drawer */
.sidebar { position: fixed; inset: 0 auto 0 0; width: 260px; transform: translateX(-100%); transition: transform .2s ease-out; z-index: 1000; }
.sidebar .card {
  height: 100%;
  margin: 0;
  padding: 0.75rem 0.75rem;
  border-radius: 0;
  border-right: 1px solid var(--border);
  overflow-y: auto;              /* independent scroll for sidebar */
  overscroll-behavior: contain;  /* prevent body scroll chaining */
  -webkit-overflow-scrolling: touch; /* smooth scrolling on iOS */
}
.sidebar nav a { display: block; padding: 6px 10px; color: var(--fg); text-decoration: none; border-radius: 6px; }
.sidebar nav a:hover { background: rgba(0,0,0,0.06); }
.sidebar nav a.active { background: rgba(11,102,214,0.12); color: var(--accent); font-weight: 700; }
.content { min-width: 0; }

/* Readable line length: limit article width and center the column */
.md-content {
  max-width: 70ch; /* similar to Obsidian's Readable line length */
  margin-left: auto;
  margin-right: auto;
}

/* Toggle open state */
body.nav-open .sidebar { transform: translateX(0); }

/* Hamburger button */
.hamburger {
  position: fixed; top: 12px; left: 12px; z-index: 1001;
  background: var(--card); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; cursor: pointer; font-weight: 700;
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
}
.nav-open .hamburger { left: 272px; }
.hamburger:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Theme toggle button (next to hamburger) */
.theme-toggle {
  position: fixed; top: 12px; left: 56px; z-index: 1001;
  background: var(--card); color: var(--fg);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; cursor: pointer; font-weight: 700;
  box-shadow: 0 1px 6px rgba(0,0,0,.06);
}
.nav-open .theme-toggle { left: 316px; }
.theme-toggle:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Font size slider */
.font-slider {
  position: fixed; top: 12px; left: 100px; z-index: 1001; width: 120px;
}
.nav-open .font-slider { left: 360px; }
.font-slider input[type="range"] { width: 100%; }

/* Optional backdrop when open */
.backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.25); z-index: 999; opacity: 0; pointer-events: none; transition: opacity .15s ease-in; }
body.nav-open .backdrop { opacity: 1; pointer-events: auto; }

@media (prefers-color-scheme: dark) {
  .sidebar nav a:hover { background: rgba(255,255,255,0.06); }
  .sidebar nav a.active { background: rgba(157,89,182,0.18); }
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

/* Explicit theme overrides via data-theme attribute (takes precedence over media query) */
html[data-theme='light'] {
  --bg: #f7f7f8;
  --fg: #1b1b1d;
  --muted: #444;
  --accent: #0b66d6;
  --accent-hover: #0a53ad;
  --card: #ffffff;
  --border: #e6e6e9;
  --text-soft: #222;
}
html[data-theme='dark'] {
  --bg: #0b0b0e;
  --fg: #d0d0d0;
  --muted: #b9b9b9;
  --accent: var(--cyber-purple);
  --accent-hover: #7d46a0;
  --card: #121218;
  --border: #2a2a33;
  --text-soft: #d0d0d0;
}