/* ==========================================================================
   SLATE DESIGN SYSTEM — CINEMA PRODUCTION SPECIFICATION
   Warm alabaster newsprint canvas · Studio Cordovan ink · mechanical cadence.

   Discipline: hairline rules, generous whitespace, and typographic hierarchy
   carry the design. No glows, no neon, no decorative gradients. Density is
   earned by information, never by ornament.
   ========================================================================== */

:root {
  /* Canvas: Alabaster / Warm Production Paper */
  --canvas-paper: #F7F4EB;
  --surface-elevated: #EFECE1;
  --surface-sunken: #E7E3D5;
  --surface-reading: #FDFCFA;

  /* Hairline Border Rules (Printed Production Grid) */
  --rule-hairline: #D8D4C5;
  --rule-contrast: #BAAEA2;
  --rule-heavy: #181816;

  /* Ink Hierarchy */
  --ink-primary: #181816;
  --ink-muted: #5C5A55;
  --ink-dim: #8C887E;

  /* The Anchor Tone: Studio Cordovan */
  --cordovan-deep: #3D1418;
  --cordovan-mid: #6A2E35;
  --cordovan-muted: #8F535B;
  --cordovan-wash: rgba(61, 20, 24, 0.05);

  /* Editorial Status Indicators — muted ink stamps */
  --stamp-veto-ink: #84262A;
  --stamp-veto-wash: #F6EBEB;
  --stamp-veto-border: #D19A9D;

  --stamp-warn-ink: #8C5E2A;
  --stamp-warn-wash: #F6F1EA;
  --stamp-warn-border: #DAC2A4;

  --stamp-pass-ink: #284435;
  --stamp-pass-wash: #EBF1ED;
  --stamp-pass-border: #A3B8AC;

  --stamp-telemetry-ink: #443B5C;
  --stamp-telemetry-wash: #ECEAF2;

  /* Typographic Hierarchy */
  --font-display: "Cabinet Grotesk", "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-editorial: "Newsreader", Georgia, "Times New Roman", serif;
  --font-script: "Courier Prime", "Courier New", ui-monospace, monospace;

  /* Mechanical Animation Curves (24fps shutter cadence) */
  --ease-shutter: cubic-bezier(0.05, 0.7, 0.1, 1.0);
  --ease-mechanical: cubic-bezier(0.2, 0.0, 0.0, 1.0);

  /* Rhythm */
  --gutter: 40px;
  --measure: 1340px;
}

/* --- Reset ------------------------------------------------------------- */

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

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

body {
  margin: 0;
  background: var(--canvas-paper);
  color: var(--ink-primary);
  font-family: var(--font-editorial);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* 2% analog celluloid grain. Fixed so it reads as film stock, not texture
   that scrolls with the content. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

img { max-width: 100%; }

::selection { background: var(--cordovan-deep); color: var(--canvas-paper); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--surface-sunken); }
::-webkit-scrollbar-thumb { background: var(--rule-contrast); }
::-webkit-scrollbar-thumb:hover { background: var(--ink-dim); }

/* --- Typography -------------------------------------------------------- */

.display {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.02;
  color: var(--cordovan-deep);
  margin: 0;
}

h1.display { font-size: clamp(2.6rem, 5.2vw, 4.1rem); }
h2.display { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3.display { font-size: 1.22rem; letter-spacing: -0.02em; }

.lede {
  font-family: var(--font-editorial);
  font-size: 1.125rem;
  line-height: 1.62;
  color: var(--ink-muted);
  font-optical-sizing: auto;
  max-width: 60ch;
  margin: 0;
}

.eyebrow {
  font-family: var(--font-script);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin: 0;
}

.mono { font-family: var(--font-script); }
.serif { font-family: var(--font-editorial); }
.muted { color: var(--ink-muted); }
.dim { color: var(--ink-dim); }

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

.shell {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.shell-narrow { max-width: 940px; margin: 0 auto; padding: 0 var(--gutter); }

.stack > * + * { margin-top: 14px; }
.stack-lg > * + * { margin-top: 28px; }

/* --- Chrome ------------------------------------------------------------ */

.masthead {
  border-bottom: 1px solid var(--rule-heavy);
  background: var(--canvas-paper);
  position: sticky;
  top: 0;
  z-index: 50;
}

.masthead-inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 15px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

/* Matches brand/slate-logo-lockup.svg exactly: same mark geometry, same
   Cordovan, same -0.02em tracking. The in-app lockup and the exported logo
   files are one asset, not two lookalikes. */
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--cordovan-deep);
  text-decoration: none;
}
.wordmark:hover { text-decoration: none; }

/* The monolithic notch mark. A solid block with a cut corner — a slate. */
.notch {
  width: 17px; height: 17px;
  background: var(--cordovan-deep);
  clip-path: polygon(0 0, 100% 0, 100% 64%, 64% 100%, 0 100%);
  flex: none;
}

.masthead nav {
  display: flex;
  gap: 26px;
  font-family: var(--font-script);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.masthead nav a { color: var(--ink-muted); }
.masthead nav a:hover { color: var(--cordovan-deep); text-decoration: none; }

.masthead-actions { display: flex; align-items: center; gap: 20px; }

/* Context strip — the project bar carried across workspace pages. */
.context-bar {
  border-bottom: 1px solid var(--rule-hairline);
  background: var(--surface-elevated);
  font-family: var(--font-script);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
}
.context-bar-inner {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 9px var(--gutter);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}
.context-bar strong { color: var(--ink-primary); font-weight: 600; }
.context-sep { color: var(--rule-contrast); }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.01em;
  padding: 13px 24px;
  border: 1px solid var(--cordovan-deep);
  background: var(--cordovan-deep);
  color: var(--canvas-paper);
  cursor: pointer;
  border-radius: 0;
  transition: transform 90ms var(--ease-mechanical), background 140ms var(--ease-shutter);
  text-decoration: none;
}
.btn:hover { background: var(--cordovan-mid); border-color: var(--cordovan-mid); text-decoration: none; }
/* 1.5px mechanical press travel — the throw of a physical key. */
.btn:active { transform: translateY(1.5px); }
.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.34; cursor: not-allowed; transform: none;
}

.btn-outline {
  background: transparent;
  color: var(--cordovan-deep);
  border-color: var(--rule-contrast);
}
.btn-outline:hover { background: var(--cordovan-wash); border-color: var(--cordovan-deep); }

.btn-quiet {
  background: transparent; border-color: transparent; color: var(--ink-muted);
  padding-left: 6px; padding-right: 6px;
}
.btn-quiet:hover { background: transparent; color: var(--cordovan-deep); }

.btn-sm { padding: 8px 15px; font-size: 11.5px; }
.btn-full { width: 100%; }

.link-quiet {
  font-family: var(--font-script);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* --- Cards & rules ----------------------------------------------------- */

.card {
  background: var(--surface-elevated);
  border: 1px solid var(--rule-hairline);
  padding: 26px;
}

.card-paper { background: var(--surface-reading); }
.card-sunken { background: var(--surface-sunken); }

/* Corner registration brackets — printer's crop marks. */
.registered { position: relative; }
.registered::before,
.registered::after {
  content: "";
  position: absolute;
  width: 9px; height: 9px;
  border-color: var(--rule-contrast);
  border-style: solid;
  pointer-events: none;
}
.registered::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.registered::after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

.rule { height: 1px; background: var(--rule-hairline); border: 0; margin: 0; }
.rule-heavy { height: 1px; background: var(--rule-heavy); border: 0; margin: 0; }

/* --- Status stamps ----------------------------------------------------- */

.stamp {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-script);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  padding: 5px 11px;
  border: 1px solid;
  white-space: nowrap;
}
.stamp-veto  { color: var(--stamp-veto-ink);  background: var(--stamp-veto-wash);  border-color: var(--stamp-veto-border); }
.stamp-warn  { color: var(--stamp-warn-ink);  background: var(--stamp-warn-wash);  border-color: var(--stamp-warn-border); }
.stamp-pass  { color: var(--stamp-pass-ink);  background: var(--stamp-pass-wash);  border-color: var(--stamp-pass-border); }
.stamp-clear { color: var(--stamp-telemetry-ink); background: var(--stamp-telemetry-wash); border-color: #B9B2CC; }

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

.field { display: block; }
.field + .field { margin-top: 20px; }

.field label {
  display: block;
  font-family: var(--font-script);
  font-size: 10.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 7px;
}

.input, select.input, textarea.input {
  width: 100%;
  font-family: var(--font-script);
  font-size: 14px;
  color: var(--ink-primary);
  background: var(--surface-reading);
  border: 1px solid var(--rule-contrast);
  border-radius: 0;
  padding: 12px 13px;
  transition: border-color 120ms var(--ease-shutter);
  appearance: none;
}
.input:focus, textarea.input:focus, select.input:focus {
  outline: none;
  border-color: var(--cordovan-deep);
  box-shadow: inset 0 0 0 1px var(--cordovan-deep);
}
.input::placeholder { color: var(--ink-dim); }
textarea.input { resize: vertical; min-height: 96px; line-height: 1.55; }

select.input {
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-muted) 50%),
                    linear-gradient(135deg, var(--ink-muted) 50%, transparent 50%);
  background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

.field-hint { font-family: var(--font-script); font-size: 10.5px; color: var(--ink-dim); margin-top: 6px; }
.field-error { font-family: var(--font-script); font-size: 11px; color: var(--stamp-veto-ink); margin-top: 6px; }

/* Physical square punch box. */
.punch {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  cursor: pointer;
  font-family: var(--font-editorial);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ink-muted);
}
.punch input { position: absolute; opacity: 0; pointer-events: none; }
.punch-box {
  width: 16px; height: 16px;
  border: 1px solid var(--rule-heavy);
  background: var(--surface-reading);
  flex: none;
  margin-top: 2px;
  display: grid;
  place-items: center;
  transition: background 90ms var(--ease-mechanical);
}
.punch input:checked + .punch-box { background: var(--cordovan-deep); border-color: var(--cordovan-deep); }
.punch input:checked + .punch-box::after {
  content: ""; width: 8px; height: 4px;
  border-left: 1.5px solid var(--canvas-paper);
  border-bottom: 1.5px solid var(--canvas-paper);
  transform: rotate(-45deg) translate(1px, -1px);
}
.punch input:focus-visible + .punch-box { box-shadow: 0 0 0 2px var(--cordovan-muted); }

/* 6-digit OTP cells — mechanical snap, zero bounce. */
.otp { display: flex; gap: 9px; }
.otp input {
  width: 46px; height: 56px;
  text-align: center;
  font-family: var(--font-script);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink-primary);
  background: var(--surface-reading);
  border: 1px solid var(--rule-contrast);
  border-radius: 0;
  transition: border-color 80ms var(--ease-mechanical);
}
.otp input:focus { outline: none; border-color: var(--cordovan-deep); box-shadow: inset 0 0 0 1px var(--cordovan-deep); }
.otp input:not(:placeholder-shown) { border-color: var(--cordovan-deep); background: var(--canvas-paper); }

/* Selectable tactile card with a radio punch-mark. */
.pick {
  display: block;
  border: 1px solid var(--rule-hairline);
  background: var(--surface-reading);
  padding: 16px 17px;
  cursor: pointer;
  transition: border-color 120ms var(--ease-shutter), background 120ms var(--ease-shutter);
}
.pick + .pick { margin-top: 10px; }
.pick input { position: absolute; opacity: 0; pointer-events: none; }
.pick-head { display: flex; align-items: center; gap: 11px; }
.pick-mark {
  width: 14px; height: 14px;
  border: 1px solid var(--rule-contrast);
  border-radius: 50%;
  flex: none;
  display: grid;
  place-items: center;
}
.pick input:checked ~ .pick-head .pick-mark { border-color: var(--cordovan-deep); }
.pick input:checked ~ .pick-head .pick-mark::after {
  content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--cordovan-deep);
}
.pick:hover { border-color: var(--rule-contrast); }
.pick:has(input:checked) { border-color: var(--cordovan-deep); background: var(--cordovan-wash); }
.pick-title { font-family: var(--font-display); font-weight: 700; font-size: 13.5px; color: var(--ink-primary); }
.pick-desc {
  font-family: var(--font-editorial); font-size: 12.5px; line-height: 1.5;
  color: var(--ink-muted); margin: 7px 0 0 25px;
}

/* --- Tabs (index-card dividers) ---------------------------------------- */

.tabs { display: flex; gap: 3px; border-bottom: 1px solid var(--rule-heavy); }
.tab {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.01em;
  padding: 11px 19px;
  background: var(--surface-sunken);
  color: var(--ink-muted);
  border: 1px solid var(--rule-hairline);
  border-bottom: none;
  cursor: pointer;
  transition: background 120ms var(--ease-shutter), color 120ms var(--ease-shutter);
  position: relative;
  top: 1px;
}
.tab:hover { color: var(--cordovan-deep); }
.tab[aria-selected="true"] {
  background: var(--canvas-paper);
  color: var(--cordovan-deep);
  border-color: var(--rule-heavy);
  border-bottom: 1px solid var(--canvas-paper);
}

/* --- Tables ------------------------------------------------------------ */

.grid-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.grid-table th {
  font-family: var(--font-script);
  font-size: 10px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-align: left;
  font-weight: 400;
  padding: 9px 12px;
  border-bottom: 1px solid var(--rule-heavy);
  white-space: nowrap;
}
.grid-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--rule-hairline);
  vertical-align: top;
  font-family: var(--font-script);
  color: var(--ink-primary);
}
.grid-table tbody tr:hover { background: var(--cordovan-wash); }
.table-scroll { overflow-x: auto; }

/* --- Telemetry console ------------------------------------------------- */

.console {
  background: var(--surface-sunken);
  border: 1px solid var(--rule-contrast);
  padding: 15px 17px;
  font-family: var(--font-script);
  font-size: 11px;
  line-height: 1.72;
  color: var(--ink-muted);
  overflow-y: auto;
}
.console-line { display: flex; gap: 9px; align-items: baseline; }
.console-line + .console-line { margin-top: 3px; }
.console-ts { color: var(--ink-dim); flex: none; }
.host-badge {
  font-family: var(--font-script);
  font-size: 10px;
  padding: 1px 6px;
  border: 1px solid var(--rule-contrast);
  background: var(--surface-reading);
  color: var(--stamp-telemetry-ink);
  white-space: nowrap;
}

/* --- Script inspection bed --------------------------------------------- */

.script-bed {
  background: var(--surface-reading);
  border: 1px solid var(--rule-hairline);
  font-family: var(--font-script);
  font-size: 12px;
  line-height: 1.85;
  overflow-y: auto;
  position: relative;
}
/* Three-hole punch margin. */
.script-bed-inner { padding: 26px 26px 26px 58px; position: relative; }
.punch-margin {
  position: absolute; left: 0; top: 0; bottom: 0; width: 40px;
  border-right: 1px solid var(--rule-hairline);
  background: var(--surface-elevated);
}
.punch-hole {
  position: absolute; left: 14px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--canvas-paper);
  border: 1px solid var(--rule-hairline);
}
.script-slug { font-weight: 700; color: var(--ink-primary); letter-spacing: 0.02em; }
.script-action { color: var(--ink-muted); }
.script-cue { color: var(--ink-primary); font-weight: 700; padding-left: 34%; }
.script-dialogue { color: var(--ink-muted); padding-left: 20%; padding-right: 16%; }
.script-line-no {
  position: absolute; left: 0; width: 40px; text-align: right; padding-right: 9px;
  color: var(--ink-dim); font-size: 10px; user-select: none;
}

/* Entity tokens — ink washes, not highlighter neon. */
.tok { padding: 1px 3px; border-radius: 1px; }
.tok-minor   { background: var(--stamp-warn-wash); border-bottom: 1.5px solid var(--stamp-warn-ink); color: var(--stamp-warn-ink); }
.tok-hazard  { background: var(--stamp-veto-wash); border-bottom: 1.5px solid var(--stamp-veto-ink); color: var(--stamp-veto-ink); }
.tok-night   { background: var(--stamp-telemetry-wash); border-bottom: 1.5px solid var(--stamp-telemetry-ink); color: var(--stamp-telemetry-ink); }
.tok-brand   { background: rgba(24,24,22,0.055); border-bottom: 1.5px solid var(--ink-dim); color: var(--ink-muted); }

/* --- Stripboard -------------------------------------------------------- */

.strip {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  gap: 14px;
  align-items: center;
  background: var(--surface-reading);
  border: 1px solid var(--rule-hairline);
  border-left: 3px solid var(--rule-contrast);
  padding: 11px 14px;
  font-family: var(--font-script);
  font-size: 11.5px;
}
.strip + .strip { margin-top: 6px; }
.strip-day {
  font-weight: 700; font-size: 10px; letter-spacing: 0.08em;
  color: var(--ink-dim); text-transform: uppercase;
}
.strip-slug { color: var(--ink-primary); }
.strip-meta { color: var(--ink-dim); font-size: 10.5px; margin-top: 2px; }
.strip-breach { border-left-color: var(--stamp-veto-ink); background: var(--stamp-veto-wash); }
.strip-ok { border-left-color: var(--stamp-pass-ink); background: var(--stamp-pass-wash); }
.strip-warn { border-left-color: var(--stamp-warn-ink); background: var(--stamp-warn-wash); }

/* --- Utility ----------------------------------------------------------- */

.row { display: flex; gap: 14px; align-items: center; }
.row-between { display: flex; gap: 18px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule-hairline); }
.grid-3 > * { background: var(--canvas-paper); padding: 28px; }
.hidden { display: none !important; }
.section { padding: 76px 0; }
.section-tight { padding: 46px 0; }

.step-strip {
  font-family: var(--font-script);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding: 13px 0;
  border-bottom: 1px solid var(--rule-hairline);
}

.notice {
  border: 1px solid var(--rule-contrast);
  border-left: 3px solid var(--cordovan-deep);
  background: var(--surface-elevated);
  padding: 13px 16px;
  font-family: var(--font-script);
  font-size: 11.5px;
  color: var(--ink-muted);
}
.notice-veto { border-left-color: var(--stamp-veto-ink); background: var(--stamp-veto-wash); color: var(--stamp-veto-ink); }
.notice-pass { border-left-color: var(--stamp-pass-ink); background: var(--stamp-pass-wash); color: var(--stamp-pass-ink); }

/* --- Motion ------------------------------------------------------------ */

@keyframes slate-slice { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes slate-stamp {
  0%   { opacity: 0; transform: scale(1.28) translateY(-6px); }
  62%  { opacity: 1; transform: scale(0.97); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes slate-gate-up { from { opacity: 0; transform: translateY(11px); } to { opacity: 1; transform: none; } }
@keyframes slate-tick { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.anim-stamp { animation: slate-stamp 340ms var(--ease-shutter) both; }
.anim-up { animation: slate-gate-up 300ms var(--ease-shutter) both; }
.anim-tick { animation: slate-tick 220ms var(--ease-mechanical) both; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

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

@media (max-width: 1080px) {
  .grid-2 { grid-template-columns: 1fr; gap: 22px; }
  .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  :root { --gutter: 20px; }
  .masthead nav { display: none; }
  .section { padding: 48px 0; }
  .otp input { width: 40px; height: 50px; font-size: 18px; }
}