/* Remix Lab — light editorial page.
 *
 * Off-white ground, near-black type, thin rules, gold only where it
 * earns it. The same restraint as the rest of the site, inverted: this
 * page reads as paperwork for a record, not as an AI toy — no
 * gradients, no glow, no neon.
 */

.sbrl-body {
  --rl-paper: var(--sb-ink);
  --rl-ink: var(--sb-surface-2);
  --rl-muted: var(--sb-ink-3);
  --rl-faint: var(--sb-ink-3);
  --rl-rule: rgb(20 18 16 / 0.16);
  --rl-rule-soft: rgb(20 18 16 / 0.09);
  --rl-gold: var(--sb-gold-deep);          /* dark enough to read on paper */
  --rl-gold-fill: var(--sb-gold);
  --rl-warn-bg: var(--sb-ink);
  --rl-warn-edge: var(--sb-warn);

  margin: 0;
  min-height: 100vh;
  background: var(--rl-paper);
  color: var(--rl-ink);
  -webkit-font-smoothing: antialiased;
}

.sbrl-main {
  max-width: 1060px;
  margin: 0 auto;
  padding: clamp(40px, 6vw, 84px) clamp(20px, 4vw, 48px) 0;
}

/* --- type ---------------------------------------------------------------- */
.sbrl-eyebrow {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--rl-gold);
}

.sbrl-chip {
  display: inline-block;
  padding: 3px 10px 4px;
  border: 1px solid var(--rl-rule);
  border-radius: var(--sb-r-control);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rl-muted);
}
.sbrl-chip--example { color: var(--rl-gold); border-color: var(--rl-gold); }

.sbrl-h1 { font-family: var(--sb-display); font-size: 28px; font-weight: 800; font-stretch: 112%; line-height: 1.1; text-transform: uppercase; letter-spacing: 0; margin: 16px 0 0; }
.sbrl-h1 span { display: block; }

.sbrl-h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.sbrl-h3 {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rl-gold);
}

.sbrl-sub, .sbrl-body-copy {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.65;
  color: var(--rl-muted);
}

.sbrl-helper {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--rl-faint);
}

.sbrl-preview-note {
  margin: 10px 0 0;
  max-width: 66ch;
  padding: 10px 14px;
  border-left: 2px solid var(--rl-gold-fill);
  font-size: 13px;
  line-height: 1.6;
  color: var(--rl-muted);
}

/* --- buttons ------------------------------------------------------------- */
.sbrl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 26px;
  border: 1px solid var(--rl-ink);
  border-radius: var(--sb-r-control);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  background: none;
  color: var(--rl-ink);
  transition: background-color 200ms ease, color 200ms ease,
              opacity 200ms ease;
}
.sbrl-btn--primary { background: var(--rl-ink); color: var(--rl-paper); }
.sbrl-btn--primary:hover { background: var(--sb-surface-3); }
.sbrl-btn--ghost:hover { background: rgb(20 18 16 / 0.06); }
.sbrl-btn:focus-visible {
  outline: 2px solid var(--rl-gold);
  outline-offset: 3px;
}

.sbrl-ctas {
  margin-top: clamp(22px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* --- sections ------------------------------------------------------------ */
.sbrl-hero { padding-bottom: clamp(36px, 5vw, 64px); }

.sbrl-about,
.sbrl-brief,
.sbrl-results,
.sbrl-rights {
  border-top: 1px solid var(--rl-rule);
  padding: clamp(36px, 5vw, 64px) 0;
  scroll-margin-top: 90px;
}

.sbrl-features {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 32px;
}
.sbrl-features li {
  border-top: 1px solid var(--rl-rule-soft);
  padding: 16px 0 18px;
}
.sbrl-features h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.sbrl-features p {
  margin: 7px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--rl-muted);
}
@media (max-width: 900px) { .sbrl-features { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .sbrl-features { grid-template-columns: 1fr; } }

/* --- the form ------------------------------------------------------------ */
.sbrl-block {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  border: 0;
}
.sbrl-block-label {
  display: block;
  padding: 0;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rl-ink);
}
.sbrl-req {
  margin-left: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--rl-gold);
}

/* the rights gate */
.sbrl-rights-gate {
  border: 1px solid var(--rl-rule);
  border-radius: var(--sb-r-control);
  padding: 16px 18px 18px;
}
.sbrl-rights-gate .sbrl-block-label { padding: 0 6px; }
.sbrl-check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--rl-muted);
  cursor: pointer;
}
.sbrl-check input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--rl-ink);
  cursor: pointer;
}
.sbrl-check input:focus-visible { outline: 2px solid var(--rl-gold); outline-offset: 2px; }

/* the drop zone */
.sbrl-drop {
  margin-top: 12px;
  border: 1px dashed var(--rl-rule);
  border-radius: var(--sb-r-control);
  padding: clamp(22px, 3vw, 34px);
  text-align: center;
  transition: border-color 200ms ease, background-color 200ms ease,
              opacity 200ms ease;
}
.sbrl-drop.is-drag { border-color: var(--rl-gold); background: rgb(201 168 106 / 0.08); }
.sbrl-drop.is-locked { opacity: 0.55; }
.sbrl-drop.is-locked .sbrl-upload-btn { pointer-events: none; }
.sbrl-drop input[type="file"] {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
.sbrl-drop-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.sbrl-drop.is-locked .sbrl-drop-inner { cursor: not-allowed; }
.sbrl-drop-hint { font-size: 13.5px; color: var(--rl-muted); }
.sbrl-drop-note { margin: 12px 0 0; font-size: 12px; color: var(--rl-faint); }
.sbrl-file-name {
  margin: 8px 0 0;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--rl-gold);
  overflow-wrap: anywhere;
}

/* pills and cards */
.sbrl-stems { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.sbrl-pill span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--rl-rule);
  border-radius: var(--sb-r-pill);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease;
}
.sbrl-pill input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.sbrl-pill input:checked + span { background: var(--rl-ink); border-color: var(--rl-ink); color: var(--rl-paper); }
.sbrl-pill input:focus-visible + span { outline: 2px solid var(--rl-gold); outline-offset: 2px; }
.sbrl-pill span:hover { border-color: var(--rl-ink); }

.sbrl-cards {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 8px;
}
.sbrl-card span {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 10px 14px;
  border: 1px solid var(--rl-rule);
  border-radius: var(--sb-r-control);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease;
}
.sbrl-card input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.sbrl-card input:checked + span {
  background: var(--rl-ink);
  border-color: var(--rl-ink);
  color: var(--rl-paper);
}
.sbrl-card input:focus-visible + span { outline: 2px solid var(--rl-gold); outline-offset: 2px; }
.sbrl-card span:hover { border-color: var(--rl-ink); }

/* references */
.sbrl-input {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 13px 14px;
  border: 1px solid var(--rl-rule);
  border-radius: var(--sb-r-control);
  background: var(--sb-ink);
  font: inherit;
  font-size: 13.5px;
  color: var(--rl-ink);
}
.sbrl-input:focus-visible { outline: 2px solid var(--rl-gold); outline-offset: 1px; }
.sbrl-input.is-flagged { border-color: var(--rl-warn-edge); }
.sbrl-add-ref {
  margin-top: 10px;
  padding: 8px 0;
  border: 0;
  background: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rl-gold);
  cursor: pointer;
}
.sbrl-add-ref:focus-visible { outline: 2px solid var(--rl-gold); outline-offset: 3px; }

/* the likeness warning */
.sbrl-warning {
  margin-top: 12px;
  padding: 14px 16px;
  border-left: 3px solid var(--rl-warn-edge);
  background: var(--rl-warn-bg);
  border-radius: 0 var(--sb-r-control) var(--sb-r-control) 0;
}
.sbrl-warning-text {
  margin: 0;
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--rl-ink);
}
.sbrl-warning-lead { margin: 10px 0 0; font-size: 12px; color: var(--rl-muted); }
.sbrl-warning ul { margin: 6px 0 0; padding-left: 18px; }
.sbrl-warning li { margin-top: 4px; font-size: 12.5px; line-height: 1.55; color: var(--rl-muted); }

/* vibes */
.sbrl-vibes {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px 20px;
}
.sbrl-vibe span {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rl-muted);
}
.sbrl-select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 11px 12px;
  border: 1px solid var(--rl-rule);
  border-radius: var(--sb-r-control);
  background: var(--sb-ink);
  font: inherit;
  font-size: 13.5px;
  color: var(--rl-ink);
}
.sbrl-select:focus-visible { outline: 2px solid var(--rl-gold); outline-offset: 1px; }

/* submit */
.sbrl-submit-bar {
  margin-top: clamp(26px, 3.4vw, 40px);
  padding-top: 18px;
  border-top: 1px solid var(--rl-rule);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}
.sbrl-submit-note { margin: 0; font-size: 12px; color: var(--rl-faint); }
/* Phone: the button rides the bottom of the screen once the form is
   long enough to scroll, so finishing never means hunting for it. */
@media (max-width: 640px) {
  .sbrl-submit-bar {
    position: sticky;
    bottom: 0;
    z-index: 5;
    margin-left: -20px;
    margin-right: -20px;
    padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
    background: var(--rl-paper);
    border-top: 1px solid var(--rl-rule);
  }
  .sbrl-submit { width: 100%; }
  .sbrl-submit-note { display: none; }
}

/* --- example output ------------------------------------------------------- */
.sbrl-example-head { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }

.sbrl-result-block {
  margin-top: clamp(26px, 3.4vw, 40px);
  border-top: 1px solid var(--rl-rule-soft);
  padding-top: 20px;
}

.sbrl-brief-fields { margin: 0; }
.sbrl-brief-fields dt {
  margin-top: 14px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rl-muted);
}
.sbrl-brief-fields dd {
  margin: 4px 0 0;
  max-width: 72ch;
  font-size: 14px;
  line-height: 1.65;
}

.sbrl-concepts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
@media (max-width: 860px) { .sbrl-concepts { grid-template-columns: 1fr; } }
.sbrl-concept {
  border: 1px solid var(--rl-rule-soft);
  border-radius: var(--sb-r-control);
  padding: 16px 18px 18px;
}
.sbrl-concept h4 {
  margin: 0;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.sbrl-concept dl { margin: 0; }
.sbrl-concept dt {
  margin-top: 11px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rl-gold);
}
.sbrl-concept dd { margin: 3px 0 0; font-size: 13px; line-height: 1.6; color: var(--rl-muted); }

.sbrl-readiness {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 6px 24px;
}
.sbrl-readiness li {
  padding: 9px 0 9px 24px;
  border-bottom: 1px solid var(--rl-rule-soft);
  font-size: 13.5px;
  position: relative;
}
.sbrl-readiness li::before {
  content: "";
  position: absolute;
  left: 0; top: 12px;
  width: 12px; height: 12px;
  border: 1px solid var(--rl-rule);
  border-radius: var(--sb-r-control);
}

.sbrl-worth { margin: 0; padding: 0; list-style: none; max-width: 560px; }
.sbrl-worth li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--rl-rule-soft);
  font-size: 13.5px;
}
.sbrl-worth strong { font-weight: 800; text-align: right; }

.sbrl-producer {
  margin-top: clamp(30px, 4vw, 48px);
  border: 1px solid var(--rl-ink);
  border-radius: var(--sb-r-control);
  padding: clamp(20px, 3vw, 30px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.sbrl-producer p { margin: 8px 0 0; max-width: 52ch; font-size: 13.5px; line-height: 1.6; color: var(--rl-muted); }

/* --- rights section -------------------------------------------------------- */
.sbrl-rights-grid {
  margin-top: clamp(22px, 3vw, 34px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 40px;
}
@media (max-width: 720px) { .sbrl-rights-grid { grid-template-columns: 1fr; } }
.sbrl-rights-point h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.sbrl-rights-point p { margin: 7px 0 0; font-size: 13.5px; line-height: 1.65; color: var(--rl-muted); }

/* --- footer ---------------------------------------------------------------- */
.sbrl-footer {
  max-width: 1060px;
  margin: 0 auto;
  padding: 26px clamp(20px, 4vw, 48px) 48px;
  border-top: 1px solid var(--rl-rule);
}
.sbrl-footer a {
  font-size: 12px;
  font-weight: 700;
  color: var(--rl-muted);
  text-decoration: none;
}
.sbrl-footer a:hover { color: var(--rl-ink); }

@media (prefers-reduced-motion: reduce) {
  .sbrl-btn, .sbrl-drop, .sbrl-pill span, .sbrl-card span { transition: none; }
}