/* GattLab Manager design system - hand-written, no build step, no CDN.
   Tokens on :root define the light palette; dark mode redefines them under
   prefers-color-scheme. See plans/mvp-demo-readiness.md. */

:root {
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-surface-raised: #ffffff;
  --color-border: #dde1e6;
  --color-border-strong: #c4cad3;
  --color-text: #1a2027;
  --color-text-muted: #5b6572;
  --color-text-faint: #88919c;
  --color-primary: #2f6fed;
  --color-primary-hover: #2559c7;
  --color-primary-text: #ffffff;
  --color-accent: #6f42d8;
  --color-pass: #1a7f37;
  --color-pass-bg: #e6f6ea;
  --color-fail: #cf222e;
  --color-fail-bg: #fdedee;
  --color-pending: #88919c;
  --color-pending-bg: #eef0f3;
  --color-warn: #9a6700;
  --color-warn-bg: #fff6e0;
  --color-code-bg: #0f1420;
  --color-code-text: #d7e0f0;
  --shadow-sm: 0 1px 2px rgba(20, 24, 32, 0.06);
  --shadow-md: 0 4px 16px rgba(20, 24, 32, 0.08);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --max-width: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0f1218;
    --color-surface: #171b23;
    --color-surface-raised: #1e232c;
    --color-border: #2b323e;
    --color-border-strong: #3a4453;
    --color-text: #e7ebf1;
    --color-text-muted: #a3adbb;
    --color-text-faint: #6f7885;
    --color-primary: #5b8dff;
    --color-primary-hover: #7ba1ff;
    --color-primary-text: #0f1218;
    --color-accent: #a382f0;
    --color-pass: #57d788;
    --color-pass-bg: rgba(46, 160, 90, 0.16);
    --color-fail: #ff7a7a;
    --color-fail-bg: rgba(207, 34, 46, 0.18);
    --color-pending: #9aa4b2;
    --color-pending-bg: rgba(154, 164, 178, 0.14);
    --color-warn: #e3b341;
    --color-warn-bg: rgba(227, 179, 65, 0.14);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --color-code-bg: #0a0d13;
    --color-code-text: #cfe0ff;
  }
}

:root[data-theme="dark"] {
  --color-bg: #0f1218;
  --color-surface: #171b23;
  --color-surface-raised: #1e232c;
  --color-border: #2b323e;
  --color-border-strong: #3a4453;
  --color-text: #e7ebf1;
  --color-text-muted: #a3adbb;
  --color-text-faint: #6f7885;
  --color-primary: #5b8dff;
  --color-primary-hover: #7ba1ff;
  --color-primary-text: #0f1218;
  --color-accent: #a382f0;
  --color-pass: #57d788;
  --color-pass-bg: rgba(46, 160, 90, 0.16);
  --color-fail: #ff7a7a;
  --color-fail-bg: rgba(207, 34, 46, 0.18);
  --color-pending: #9aa4b2;
  --color-pending-bg: rgba(154, 164, 178, 0.14);
  --color-warn: #e3b341;
  --color-warn-bg: rgba(227, 179, 65, 0.14);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --color-code-bg: #0a0d13;
  --color-code-text: #cfe0ff;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  font-weight: 650;
  line-height: 1.25;
  margin: 0 0 var(--space-3) 0;
}

h1 { font-size: 1.9rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.05rem; }

p {
  margin: 0 0 var(--space-4) 0;
  color: var(--color-text);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

small, .text-muted {
  color: var(--color-text-muted);
}

.text-faint {
  color: var(--color-text-faint);
}

code, pre, .code {
  font-family: var(--font-mono);
}

/* --- Layout shell --- */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  gap: var(--space-4);
  flex: 1;
}

.site-nav a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  padding: var(--space-2) 0;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-text);
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  border-bottom: 2px solid var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-user {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-6) var(--space-5) var(--space-8);
}

main.wide {
  max-width: 1280px;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-5);
  text-align: center;
  color: var(--color-text-faint);
  font-size: 0.85rem;
}

/* --- Components --- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.card-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.card-title h2, .card-title h3 {
  margin: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.55em 1.1em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  font: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease, opacity 0.12s ease;
}

.btn:hover {
  background: var(--color-bg);
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-text);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-danger {
  color: var(--color-fail);
  border-color: var(--color-fail);
  background: transparent;
}

.btn-danger:hover {
  background: var(--color-fail-bg);
}

.btn-sm {
  padding: 0.3em 0.7em;
  font-size: 0.8rem;
}

.btn-link {
  border: none;
  background: none;
  color: var(--color-primary);
  padding: 0;
  font-weight: 600;
}

.btn-link:hover {
  text-decoration: underline;
}

.btn-block {
  width: 100%;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.2em 0.65em;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: var(--color-pending-bg);
  color: var(--color-pending);
}

.chip.pass { background: var(--color-pass-bg); color: var(--color-pass); }
.chip.fail { background: var(--color-fail-bg); color: var(--color-fail); }
.chip.pending { background: var(--color-pending-bg); color: var(--color-pending); }
.chip.warn { background: var(--color-warn-bg); color: var(--color-warn); }

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
  background: var(--color-pending);
  flex-shrink: 0;
}

.status-dot.online { background: var(--color-pass); box-shadow: 0 0 0 3px var(--color-pass-bg); }
.status-dot.offline { background: var(--color-text-faint); }

.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table th, .table td {
  text-align: left;
  padding: var(--space-3) var(--space-3);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.table th {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.table tbody tr:hover {
  background: var(--color-bg);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.field input,
.field textarea,
.field select {
  font: inherit;
  padding: 0.55em 0.75em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.field-hint {
  font-size: 0.8rem;
  color: var(--color-text-faint);
}

.code-editor {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-height: 16rem;
  resize: vertical;
  tab-size: 2;
}

pre.code-block {
  background: var(--color-code-bg);
  color: var(--color-code-text);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.6;
}

code.inline-code {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.1em 0.4em;
  font-size: 0.88em;
}

.callout {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-4);
  display: flex;
  gap: var(--space-3);
}

.callout.info { border-color: color-mix(in srgb, var(--color-primary) 30%, var(--color-border)); background: color-mix(in srgb, var(--color-primary) 6%, var(--color-surface)); }
.callout.warn { border-color: color-mix(in srgb, var(--color-warn) 40%, var(--color-border)); background: var(--color-warn-bg); }

.error-text {
  color: var(--color-fail);
  font-size: 0.88rem;
}

.empty-state {
  text-align: center;
  padding: var(--space-7) var(--space-5);
  color: var(--color-text-muted);
}

.empty-state h3 {
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.empty-state ol {
  text-align: left;
  max-width: 30rem;
  margin: var(--space-4) auto 0;
  color: var(--color-text);
}

.stack { display: flex; flex-direction: column; gap: var(--space-4); }
.stack-sm { display: flex; flex-direction: column; gap: var(--space-2); }
.row { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; }
.spread { display: flex; justify-content: space-between; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.grid-2-even {
  align-items: stretch;
}

.card-flex {
  display: flex;
  flex-direction: column;
}

.card-cta {
  margin-top: auto;
  padding-top: var(--space-2);
}

.platform-list {
  list-style: none;
  margin: var(--space-4) 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.platform-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}

.platform-row:last-child {
  border-bottom: none;
}

.platform-icon {
  display: inline-flex;
  color: var(--color-text-faint);
  flex-shrink: 0;
}

.platform-name {
  font-weight: 600;
  flex: 1;
}

.result-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: var(--color-surface);
}

.result-card + .result-card {
  margin-top: var(--space-3);
}

.step-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-top: 1px solid var(--color-border);
}

.step-row:first-of-type {
  border-top: none;
}

.step-row-main {
  flex: 1;
  min-width: 0;
}

.step-name {
  font-weight: 600;
}

.step-detail {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  word-break: break-word;
}

.step-duration {
  color: var(--color-text-faint);
  font-size: 0.8rem;
  white-space: nowrap;
}

/* --- Auth pages --- */

.auth-shell {
  max-width: 380px;
  margin: var(--space-7) auto;
}

/* --- Landing page --- */

.hero {
  padding: var(--space-8) 0 var(--space-7);
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  max-width: 44rem;
  margin: 0 auto var(--space-4);
}

.hero p.lede {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 40rem;
  margin: 0 auto var(--space-5);
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

.section {
  padding: var(--space-7) 0;
  border-top: 1px solid var(--color-border);
}

.section h2 {
  text-align: center;
  margin-bottom: var(--space-6);
}

.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.steps-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  counter-reset: step;
}

.step-item {
  text-align: center;
}

.step-number {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-primary-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto var(--space-3);
}

.diagram-wrap {
  margin: var(--space-6) auto 0;
  max-width: 700px;
}

.diagram-wrap svg {
  width: 100%;
  height: auto;
}

.phone-shots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  max-width: 700px;
  margin: var(--space-6) auto 0;
  align-items: start;
}

.phone-shot {
  margin: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.phone-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--color-border);
}

.phone-shot figcaption {
  padding: var(--space-3) var(--space-4);
  font-size: 0.85rem;
}

/* --- Docs page --- */

.docs-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-6);
  align-items: start;
}

.docs-toc {
  position: sticky;
  top: calc(var(--space-6) + 56px);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: 0.88rem;
}

.docs-toc a {
  color: var(--color-text-muted);
  padding: var(--space-1) 0;
}

.docs-toc a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.docs-content section {
  margin-bottom: var(--space-7);
  scroll-margin-top: 80px;
}

.snippet {
  position: relative;
}

.snippet .btn {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
}

/* --- Responsive --- */

@media (max-width: 860px) {
  .cards-3, .steps-3 { grid-template-columns: 1fr; }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-toc { position: static; flex-direction: row; flex-wrap: wrap; }
  .grid-2, .phone-shots { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  main { padding: var(--space-5) var(--space-3) var(--space-6); }
  .site-header-inner { padding: var(--space-3); flex-wrap: wrap; }
  .site-nav { order: 3; width: 100%; gap: var(--space-3); }
  .hero h1 { font-size: 1.9rem; }
  .hero-actions { flex-direction: column; }
}

/* --- API tokens page (plans/ci-integration.md) --- */

/* .callout is a flex row for icon+text; the token reveal stacks a heading, blurb and the secret. */
.callout.stack-content {
  flex-direction: column;
  gap: var(--space-2);
}

.callout.stack-content h3 {
  margin: 0;
  font-size: 1rem;
}

.callout.stack-content p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.inline-form {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-items: center;
  margin-top: var(--space-4);
}

.inline-form input[type="text"] {
  flex: 1 1 22rem;
  min-width: 0;
}

/* The secret is long and must stay selectable, so let it wrap rather than overflow the card. */
.token-reveal {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

.token-reveal code {
  flex: 1 1 20rem;
  min-width: 0;
  overflow-wrap: anywhere;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-size: 0.85rem;
}