/* Skewworks: clean & technical. Dark by default, light via OS or toggle. */

:root {
  --bg: #0b0f14;
  --bg-alt: #10161d;
  --surface: #141b23;
  --border: #233040;
  --text: #e6edf3;
  --muted: #8b98a8;
  --accent: #3ddc97;
  --accent-strong: #5ff0b0;
  --accent-ink: #04140c;
  --danger: #ff7a7a;
  --grid: rgba(61, 220, 151, 0.06);

  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --radius: 10px;
  --max: 1120px;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f7f9fb;
    --bg-alt: #eef2f6;
    --surface: #ffffff;
    --border: #d6dde5;
    --text: #0d1620;
    --muted: #556270;
    --accent: #0a8f5a;
    --accent-strong: #067247;
    --accent-ink: #ffffff;
    --danger: #c62828;
    --grid: rgba(10, 143, 90, 0.07);
    color-scheme: light;
  }
}

:root[data-theme="light"] {
  --bg: #f7f9fb;
  --bg-alt: #eef2f6;
  --surface: #ffffff;
  --border: #d6dde5;
  --text: #0d1620;
  --muted: #556270;
  --accent: #0a8f5a;
  --accent-strong: #067247;
  --accent-ink: #ffffff;
  --danger: #c62828;
  --grid: rgba(10, 143, 90, 0.07);
  color-scheme: light;
}

/* ---- Base ---------------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); text-decoration: underline; text-underline-offset: 3px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.75rem); font-weight: 750; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 650; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .container { padding: 0 28px; } }
.narrow { max-width: 760px; }

.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.label { display: block; font-size: 0.8rem; color: var(--muted); margin-bottom: 0.6rem; }
.eyebrow { font-size: 0.85rem; color: var(--accent); margin-bottom: 1rem; letter-spacing: 0.02em; }
.eyebrow a { color: inherit; }
.lede { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); max-width: 46rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 100;
  background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 6px;
}
.skip-link:focus { top: 12px; }

/* ---- Buttons ------------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.8rem 1.35rem; border-radius: 8px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-ink);
  font: 600 1rem/1 var(--font-sans); cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); color: var(--accent-ink); text-decoration: none; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface); border-color: var(--accent); color: var(--text); }
.btn-small { padding: 0.55rem 1rem; font-size: 0.9rem; }

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }

/* ---- Header -------------------------------------------------------------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--text); }
.brand:hover { color: var(--text); text-decoration: none; }
.brand-name { font-family: var(--font-mono); font-weight: 600; font-size: 1.1rem; letter-spacing: -0.01em; }
.logo-mark { color: var(--text); flex: none; }

.site-nav { display: flex; align-items: center; gap: 1.75rem; }
.site-nav > a:not(.btn) { color: var(--muted); font-size: 0.95rem; }
.site-nav > a:not(.btn):hover,
.site-nav > a[aria-current="page"]:not(.btn) { color: var(--text); text-decoration: none; }

.theme-toggle, .nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 8px;
  border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer;
}
.theme-toggle:hover, .nav-toggle:hover { color: var(--text); border-color: var(--accent); }
.icon-sun { display: none; }
:root[data-theme="light"] .icon-sun { display: block; }
:root[data-theme="light"] .icon-moon { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .icon-sun { display: block; }
  :root:not([data-theme="dark"]) .icon-moon { display: none; }
}

.nav-toggle { display: none; }

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: 8px 16px 20px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav > a:not(.btn) { padding: 0.85rem 0; border-bottom: 1px solid var(--border); font-size: 1.05rem; }
  .site-nav .btn { margin-top: 1rem; }
  .site-nav .theme-toggle { margin-top: 1rem; align-self: flex-start; }
}

/* ---- Hero & page heads --------------------------------------------------- */

.hero, .page-head {
  position: relative;
  border-bottom: 1px solid var(--border);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: -1px -1px;
}
.hero { padding: clamp(4.5rem, 12vw, 8.5rem) 0 clamp(4rem, 10vw, 7rem); }
.hero h1 { max-width: 18ch; }
.page-head { padding: clamp(3.5rem, 8vw, 5.5rem) 0 clamp(2.5rem, 6vw, 4rem); }
.page-head h1 { font-size: clamp(2rem, 4.5vw, 3rem); }

/* ---- Sections ------------------------------------------------------------ */

.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { margin-bottom: 2.5rem; }

.card-grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.card {
  display: flex; flex-direction: column;
  padding: 1.75rem; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); color: var(--text);
  transition: border-color 0.15s, transform 0.15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; color: var(--text); }
.card p { color: var(--muted); flex: 1; }
.card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px; margin-bottom: 1.25rem; border-radius: 10px;
  border: 1px solid var(--border); color: var(--accent); background: var(--bg);
}
.card-link { font-size: 0.85rem; color: var(--accent); }

/* Numbered steps (ordered list in home.md) */
.steps ol { list-style: none; counter-reset: step; padding: 0; margin: 0; display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.steps li {
  counter-increment: step; position: relative;
  padding: 1.5rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
  color: var(--muted);
}
.steps li::before {
  content: "0" counter(step);
  display: block; font-family: var(--font-mono); color: var(--accent); font-size: 0.85rem; margin-bottom: 0.6rem;
}
.steps li strong { display: block; color: var(--text); font-size: 1.1rem; margin-bottom: 0.35rem; }

/* Services index */
.service-list { display: grid; gap: 0; }
.service-row {
  display: grid; grid-template-columns: 1fr; gap: 1rem;
  padding: 2.5rem 0; border-bottom: 1px solid var(--border);
}
.service-row:first-child { padding-top: 0; }
.service-row h2 a { color: var(--text); }
.service-row h2 a:hover { color: var(--accent); }
.service-row p { color: var(--muted); max-width: 44rem; }
.service-row-head { display: flex; align-items: center; gap: 1rem; }
.service-row-head .card-icon { margin: 0; }
@media (min-width: 760px) {
  .service-row { grid-template-columns: 160px 1fr; gap: 2rem; }
  .service-row-head { flex-direction: column; align-items: flex-start; }
}

.tags { list-style: none; padding: 0; margin: 0 0 1.25rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tags li {
  font-size: 0.78rem; padding: 0.3rem 0.65rem; border-radius: 999px;
  border: 1px solid var(--border); color: var(--muted); background: var(--bg);
}

/* Two-column page with sidebar */
.with-aside { display: grid; gap: 2.5rem; }
@media (min-width: 900px) { .with-aside { grid-template-columns: minmax(0, 1fr) 300px; gap: 4rem; } }
.aside { display: grid; gap: 1rem; align-content: start; }
.aside-box { padding: 1.4rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.aside-box p { color: var(--muted); font-size: 0.95rem; }
.aside-box .tags { margin: 0; }
.aside-link { display: block; padding: 0.3rem 0; }
.plain { margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: 0.95rem; }

/* Long-form Markdown */
.prose { max-width: 46rem; }
.prose h2 { font-size: 1.5rem; margin-top: 2.25rem; }
.prose h2:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.25rem; margin: 0 0 1.25rem; }
.prose li { margin-bottom: 0.5rem; }
.prose li::marker { color: var(--accent); }
.prose strong { color: var(--text); }
.prose code { font-family: var(--font-mono); font-size: 0.9em; background: var(--surface); border: 1px solid var(--border); padding: 0.1em 0.35em; border-radius: 4px; }
.steps { max-width: none; }

/* CTA band */
.cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: clamp(1.75rem, 4vw, 2.75rem); border: 1px solid var(--border); border-radius: 14px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, var(--surface)), var(--surface) 60%);
}
.cta h2 { margin-bottom: 0.35rem; }
.cta p { margin: 0; }

/* ---- Forms --------------------------------------------------------------- */

.form { display: grid; gap: 1.25rem; }
.field-row { display: grid; gap: 1.25rem; }
@media (min-width: 640px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field label { display: block; font-weight: 600; font-size: 0.92rem; margin-bottom: 0.4rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.75rem 0.9rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  font: inherit; font-size: 1rem;
}
.field textarea { resize: vertical; min-height: 9rem; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
.has-error input, .has-error textarea { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: 0.875rem; margin: 0.4rem 0 0; }
.form .btn { justify-self: start; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.notice { padding: 1.1rem 1.25rem; border-radius: var(--radius); border: 1px solid var(--border); margin-bottom: 1.5rem; background: var(--surface); }
.notice p { margin: 0.35rem 0 0; color: var(--muted); }
.notice-ok { border-color: var(--accent); }
.notice-error { border-color: var(--danger); }

/* ---- Footer -------------------------------------------------------------- */

.site-footer { border-top: 1px solid var(--border); padding: 3.5rem 0 2rem; background: var(--bg-alt); }
.footer-inner { display: grid; gap: 2rem; grid-template-columns: 1fr; }
@media (min-width: 760px) { .footer-inner { grid-template-columns: 2fr 1fr 1fr; } }
.footer-brand p { margin-top: 0.75rem; max-width: 26rem; font-size: 0.95rem; }
.footer-nav { display: flex; flex-direction: column; gap: 0.35rem; }
.footer-nav a { color: var(--muted); font-size: 0.95rem; }
.footer-nav a:hover { color: var(--text); }
.footer-legal { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); font-size: 0.8rem; color: var(--muted); }

.error-page { min-height: 55vh; }

/* ---- Accounts ------------------------------------------------------------ */

.flash-wrap { padding-top: 1.25rem; }
.flash-wrap .notice { margin-bottom: 0.5rem; }

.nav-account {
  max-width: 14ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-family: var(--font-mono); font-size: 0.9rem !important;
}

.auth-section { min-height: 60vh; }
.auth-card {
  max-width: 460px; margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 2.5rem);
  border: 1px solid var(--border); border-radius: 14px; background: var(--surface);
}
.auth-card h1 { font-size: clamp(1.8rem, 4vw, 2.3rem); }
.auth-card .form { margin-top: 1.5rem; }
.auth-alt { margin: 1.5rem 0 0; font-size: 0.95rem; }
.form-row-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

.field-hint { color: var(--muted); font-size: 0.85rem; margin: 0.4rem 0 0; }

.btn-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); border-color: var(--danger); color: #fff; }

.page-head .actions form { margin: 0; }

.settings { display: grid; gap: 0; max-width: 900px; }
.settings-block {
  display: grid; gap: 1.25rem; padding: 2rem 0; border-bottom: 1px solid var(--border);
}
.settings-block:first-child { padding-top: 0; }
.settings-block h2 { font-size: 1.25rem; margin-bottom: 0.35rem; }
.settings-block .form { max-width: 420px; }
@media (min-width: 760px) { .settings-block { grid-template-columns: 260px 1fr; gap: 3rem; } }
.settings-danger h2 { color: var(--danger); }

/* Admin */
.admin-search { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; max-width: 560px; }
.admin-search input {
  flex: 1 1 220px; padding: 0.55rem 0.8rem; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit;
}
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.table th, .table td { padding: 0.85rem 1rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.table th { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500; color: var(--muted); background: var(--bg-alt); }
.table tr:last-child td { border-bottom: 0; }
.table-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; justify-content: flex-end; min-width: 260px; }
.inline-form { margin: 0; }
.inline-form .btn { padding: 0.35rem 0.7rem; font-size: 0.8rem; }

.badge {
  display: inline-block; margin: 0 0.25rem 0.25rem 0; padding: 0.1rem 0.55rem; border-radius: 999px;
  font: 0.75rem/1.6 var(--font-mono); border: 1px solid var(--border); color: var(--muted);
}
.badge-ok { border-color: var(--accent); color: var(--accent); }
.badge-accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.badge-danger { border-color: var(--danger); color: var(--danger); }

.pager { display: flex; justify-content: center; gap: 1.5rem; margin-top: 1.5rem; font-size: 0.9rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}