/* Deckboard — shared app-page styles (auth pages + docs) [AUTHDOCS]
   Design language per ARCHITECTURE.md §14: retro-terminal-meets-modern SaaS.
   Near-black page, warm off-white type, amber accent. System fonts for prose,
   mono for terminal-flavored labels and code. No frameworks, no build step. */

:root {
  --bg: #0a0a0b;
  --panel: #121214;
  --panel-2: #17171a;
  --line: #26262b;
  --line-soft: #1d1d21;
  --ink: #ece6da;
  --muted: #9b948a;
  --faint: #6e6960;
  --amber: #f5a623;
  --amber-bright: #ffbd45;
  --red: #e5534b;
  --green: #4cbb6c;
  --blue: #539bf5;
  --violet: #a98ff0;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

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

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
}

::selection { background: var(--amber); color: #0a0a0b; }

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-bright); text-decoration: underline; }

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

h1, h2, h3 {
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.5rem;
}

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

.eyebrow {
  font: 700 11px/1 var(--mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 10px;
}

/* ---------- Brand: mini split-flap wordmark (pure CSS, no engine) ---------- */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }

.flapmark {
  display: inline-flex;
  gap: 3px;
}
.flapmark span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 32px;
  border-radius: 3px;
  font: 700 17px/1 var(--mono);
  color: #f2ead8;
  /* flap body with hinge line at the vertical midpoint */
  background: linear-gradient(180deg,
    #1e1e21 0%, #161618 47%,
    #000 47%, #000 53%,
    #131315 53%, #0e0e10 100%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 1px 2px rgba(0,0,0,0.6);
  text-shadow: 0 1px 1px rgba(0,0,0,0.8);
}
.flapmark.small span {
  width: 18px;
  height: 24px;
  font-size: 13px;
  border-radius: 2px;
}
.brand:hover .flapmark span:first-child { color: var(--amber); }

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

.btn {
  display: inline-block;
  padding: 11px 20px;
  border: 1px solid var(--amber);
  border-radius: 6px;
  background: var(--amber);
  color: #0a0a0b;
  font: 700 13px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}
.btn:hover { background: var(--amber-bright); border-color: var(--amber-bright); }
.btn:disabled {
  background: var(--panel-2);
  border-color: var(--line);
  color: var(--faint);
  cursor: default;
}
.btn-block { display: block; width: 100%; }

.btn-ghost {
  background: transparent;
  color: var(--amber);
}
.btn-ghost:hover { background: rgba(245, 166, 35, 0.08); }

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

.field { margin-bottom: 18px; }

.field label,
.label-row label {
  display: block;
  font: 700 11px/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
}

.label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.label-row .tiny { font: 500 12px/1 var(--sans); }

.field input {
  display: block;
  width: 100%;
  padding: 11px 12px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  font: 15px/1.4 var(--sans);
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
.field input::placeholder { color: var(--faint); }
.field input:focus {
  outline: none;
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
}
.field input[aria-invalid="true"] { border-color: var(--red); }
.field input[aria-invalid="true"]:focus { box-shadow: 0 0 0 3px rgba(229, 83, 75, 0.15); }

.field-hint {
  margin: 6px 0 0;
  font-size: 12.5px;
  color: var(--faint);
}

.field-error {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--red);
}

.form-error {
  margin: 0 0 18px;
  padding: 10px 12px;
  border: 1px solid rgba(229, 83, 75, 0.45);
  border-radius: 6px;
  background: rgba(229, 83, 75, 0.08);
  color: #f0928c;
  font-size: 14px;
}

.success-box {
  padding: 14px 16px;
  border: 1px solid rgba(76, 187, 108, 0.4);
  border-radius: 6px;
  background: rgba(76, 187, 108, 0.07);
  color: #8fd8a5;
  font-size: 14.5px;
  line-height: 1.55;
}
.success-box strong { color: #b6ecc5; }

/* ---------- Auth page layout ---------- */

body.auth {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  background:
    radial-gradient(1200px 500px at 50% -10%, rgba(245, 166, 35, 0.05), transparent 60%),
    var(--bg);
}

.auth-wrap {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.auth-wrap > .brand { margin-bottom: 26px; }

.card {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 30px 28px 26px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.card h1 {
  font-size: 21px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.card .sub {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14.5px;
}

.card form { margin: 0; }
.card .btn-block { margin-top: 4px; }

.alt {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--muted);
  text-align: center;
}

.footnote {
  margin: 22px 0 0;
  font: 12px/1 var(--mono);
  letter-spacing: 0.06em;
  color: var(--faint);
}
.footnote a { color: var(--faint); }
.footnote a:hover { color: var(--amber); }

noscript .form-error { display: block; max-width: 400px; margin: 16px auto; }

/* ---------- Docs: header ---------- */

.docs-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 22px;
  background: rgba(10, 10, 11, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}

.docs-header .wordmark {
  font: 800 15px/1 var(--mono);
  letter-spacing: 0.14em;
  color: var(--ink);
}
.docs-header .wordmark:hover { color: var(--amber); text-decoration: none; }

.docs-header .page-tag {
  font: 700 10px/1 var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid rgba(245, 166, 35, 0.4);
  border-radius: 4px;
  padding: 4px 7px;
}

.docs-header nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
  align-items: center;
}
.docs-header nav a {
  font-size: 13.5px;
  color: var(--muted);
}
.docs-header nav a:hover { color: var(--amber); text-decoration: none; }
.docs-header nav a.cta {
  color: var(--amber);
  border: 1px solid rgba(245, 166, 35, 0.5);
  border-radius: 6px;
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.docs-header nav a.cta:hover { background: rgba(245, 166, 35, 0.1); }

/* ---------- Docs: layout ---------- */

.docs-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 40px;
  max-width: 1060px;
  margin: 0 auto;
  padding: 34px 22px 90px;
}

.docs-nav {
  position: sticky;
  top: 76px;
  align-self: start;
  font-size: 13.5px;
}
.docs-nav .nav-title {
  font: 700 10px/1 var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 0 0 10px;
}
.docs-nav ul { list-style: none; margin: 0 0 20px; padding: 0; }
.docs-nav li { margin: 0; }
.docs-nav a {
  display: block;
  padding: 5px 10px;
  color: var(--muted);
  border-left: 2px solid var(--line-soft);
  border-radius: 0 4px 4px 0;
}
.docs-nav a:hover { color: var(--ink); text-decoration: none; background: var(--panel); }
.docs-nav a.active {
  color: var(--amber);
  border-left-color: var(--amber);
  background: rgba(245, 166, 35, 0.06);
}

.docs-content { min-width: 0; }

.docs-content > section { margin-bottom: 54px; scroll-margin-top: 76px; }

.docs-content h1 {
  font-size: 34px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}
.docs-content .lede {
  color: var(--muted);
  font-size: 16.5px;
  max-width: 62ch;
  margin: 0 0 44px;
}

.docs-content h2 {
  font-size: 21px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: 16px;
}
.docs-content h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 26px 0 8px;
}
.docs-content p { max-width: 72ch; color: #cfc9be; }
.docs-content li { color: #cfc9be; margin-bottom: 5px; }
.docs-content ul, .docs-content ol { padding-left: 22px; }

.docs-content code {
  font-size: 0.86em;
  background: var(--panel-2);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  padding: 1px 5px;
  color: #f0d9ac;
  white-space: nowrap;
}

kbd {
  display: inline-block;
  min-width: 22px;
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--panel-2);
  color: var(--ink);
  font-size: 12px;
  text-align: center;
}

/* ---------- Docs: code blocks + copy button ---------- */

.codeblock { position: relative; margin: 14px 0 20px; }

.docs-content pre {
  margin: 14px 0 20px;
  padding: 16px 18px;
  background: #0d0d0f;
  border: 1px solid var(--line-soft);
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.55;
  color: #d8d2c6;
}
.codeblock pre { margin: 0; }
.docs-content pre code {
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
  font-size: inherit;
  white-space: pre;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(18, 18, 20, 0.9);
  color: var(--muted);
  font: 700 10px/1 var(--mono);
  letter-spacing: 0.14em;
  cursor: pointer;
  opacity: 0;
  transition: opacity 120ms ease, color 120ms ease, border-color 120ms ease;
}
.codeblock:hover .copy-btn,
.copy-btn:focus-visible { opacity: 1; }
.copy-btn:hover { color: var(--amber); border-color: var(--amber); }
.copy-btn.done { color: var(--green); border-color: var(--green); opacity: 1; }

/* syntax accent helpers (hand-applied, no highlighter) */
.tok-c { color: var(--faint); }      /* comment */
.tok-s { color: #b8d9a5; }           /* string */
.tok-k { color: var(--amber); }      /* keyword / flag */

/* ---------- Docs: tables ---------- */

.table-scroll { overflow-x: auto; margin: 14px 0 20px; }

.docs-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
.docs-content th {
  text-align: left;
  font: 700 10.5px/1.4 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 8px 12px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.docs-content td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--line-soft);
  color: #cfc9be;
  vertical-align: top;
}
.docs-content td code { white-space: nowrap; }
.docs-content tbody tr:hover { background: rgba(255, 255, 255, 0.015); }

.method {
  display: inline-block;
  min-width: 46px;
  padding: 3px 6px;
  border-radius: 4px;
  font: 700 10.5px/1 var(--mono);
  letter-spacing: 0.08em;
  text-align: center;
}
.method.get    { color: var(--green);  background: rgba(76, 187, 108, 0.1);  border: 1px solid rgba(76, 187, 108, 0.35); }
.method.post   { color: var(--amber);  background: rgba(245, 166, 35, 0.1);  border: 1px solid rgba(245, 166, 35, 0.35); }
.method.put    { color: var(--blue);   background: rgba(83, 155, 245, 0.1);  border: 1px solid rgba(83, 155, 245, 0.35); }
.method.delete { color: var(--red);    background: rgba(229, 83, 75, 0.1);   border: 1px solid rgba(229, 83, 75, 0.35); }

/* ---------- Docs: callouts ---------- */

.note, .warn {
  margin: 16px 0 20px;
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.55;
  max-width: 74ch;
}
.note {
  border: 1px solid rgba(83, 155, 245, 0.35);
  background: rgba(83, 155, 245, 0.06);
  color: #a8c8f0;
}
.warn {
  border: 1px solid rgba(245, 166, 35, 0.4);
  background: rgba(245, 166, 35, 0.06);
  color: #ecc27a;
}
.note code, .warn code { color: inherit; background: rgba(0, 0, 0, 0.3); }

/* ---------- Docs: footer ---------- */

.docs-footer {
  border-top: 1px solid var(--line-soft);
  padding: 26px 22px 40px;
  text-align: center;
  font: 12px/1.8 var(--mono);
  letter-spacing: 0.05em;
  color: var(--faint);
}
.docs-footer a { color: var(--muted); margin: 0 8px; }
.docs-footer a:hover { color: var(--amber); }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .docs-layout {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 20px;
  }
  .docs-nav {
    position: static;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 14px;
    margin-bottom: 22px;
    border-bottom: 1px solid var(--line-soft);
    -webkit-overflow-scrolling: touch;
  }
  .docs-nav .nav-title { display: none; }
  .docs-nav ul { display: flex; gap: 6px; margin: 0; }
  .docs-nav a {
    white-space: nowrap;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 12px;
  }
  .docs-nav a.active { border-color: var(--amber); }
  .docs-content h1 { font-size: 27px; }
  .docs-header { padding: 10px 14px; }
  .docs-header nav { gap: 12px; }
  .docs-header nav a:not(.cta):not(.keep) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}