/* DocWright — application shell styles. Theme-aware (light/dark), system fonts,
   no external assets (CSP-friendly, offline-capable, §NFR-8). */

:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --text: #1c1b1a;
  --muted: #6b6a67;
  --border: #e3e2de;
  --brand: #2f5d50;
  --brand-ink: #ffffff;
  --accent: #c2703d;
  --danger: #b3261e;
  --ok: #2f7d4f;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.05);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a; --surface: #1c1f24; --text: #e8e6e3; --muted: #9a9892;
    --border: #2c3037; --brand: #4f9e88; --accent: #d98a55; --shadow: 0 1px 3px rgba(0,0,0,.4);
  }
}
:root[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); background: color-mix(in srgb, var(--text) 8%, transparent); padding: .1em .35em; border-radius: 5px; font-size: .9em; }

/* Top bar */
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); background: var(--surface); }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--text); }
.brand-mark { color: var(--brand); }
.topbar nav { display: flex; align-items: center; gap: 1.25rem; }

/* Buttons */
.btn { display: inline-block; padding: .55rem 1rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); color: var(--text); font-weight: 600; cursor: pointer; font-size: .95rem; }
.btn:hover { text-decoration: none; border-color: var(--brand); }
.btn-primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; }
.btn-lg { padding: .75rem 1.4rem; font-size: 1.05rem; }
.btn-danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }

/* Landing */
.hero { max-width: 52rem; margin: 5vh auto 2rem; padding: 0 1.5rem; text-align: center; }
.hero h1 { font-size: clamp(1.9rem, 4vw, 3rem); line-height: 1.1; letter-spacing: -.02em; margin: .5rem 0 1rem; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 42rem; margin: 0 auto 2rem; }
.cta { display: flex; gap: .75rem; justify-content: center; flex-wrap: wrap; }
.foss-note { margin-top: 1.5rem; color: var(--muted); font-size: .9rem; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; max-width: 66rem; margin: 3rem auto; padding: 0 1.5rem; }
.features article { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); }
.features h3 { margin: 0 0 .4rem; font-size: 1.05rem; }
.features p { margin: 0; color: var(--muted); font-size: .95rem; }
.site-footer { text-align: center; color: var(--muted); padding: 2rem 1.5rem; border-top: 1px solid var(--border); font-size: .9rem; }

/* Prose pages */
.prose { max-width: 44rem; margin: 2rem auto; padding: 0 1.5rem; }
.prose h1 { letter-spacing: -.02em; }
.prose-page .topbar { position: sticky; top: 0; }

/* Auth card */
.auth-wrap { min-height: 100dvh; display: grid; place-items: center; padding: 2rem 1rem; }
.auth-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); padding: 2rem; width: min(24rem, 100%); }
.auth-card h1 { font-size: 1.4rem; margin: 0 0 .25rem; }
.auth-card .sub { color: var(--muted); margin: 0 0 1.5rem; font-size: .95rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 600; font-size: .85rem; margin-bottom: .35rem; }
.field input { width: 100%; padding: .6rem .75rem; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 1rem; }
.field input:focus { outline: 2px solid var(--brand); outline-offset: 1px; }
.form-error { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 30%, transparent); border-radius: 8px; padding: .6rem .75rem; margin-bottom: 1rem; font-size: .9rem; }
.form-actions { margin-top: 1.25rem; }
.form-actions .btn { width: 100%; }

/* App layout */
.app-shell { display: grid; grid-template-rows: auto 1fr; min-height: 100dvh; }
.app-header { display: flex; align-items: center; justify-content: space-between; padding: .6rem 1.25rem; background: var(--surface); border-bottom: 1px solid var(--border); }
.app-main { padding: 1.5rem; max-width: 72rem; margin: 0 auto; width: 100%; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); }
.grid { display: grid; gap: 1rem; }
.project-grid { grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); }
.tag { display: inline-block; font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: .1rem .5rem; }
table.data { width: 100%; border-collapse: collapse; }
table.data th, table.data td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--border); font-size: .92rem; }
.muted { color: var(--muted); }