/*
 * auth.css — FIRST LIGHT: the auth trio of THE WALL AND THE RECORD.
 * root_landing is the doorway poster on the dark wall (sans + mono only,
 * no serif — local swarm artwork anchors the hero). bootstrap_page and
 * redeem_page are PAPER artifacts (the only paper pages besides writeups):
 * serif display + body inside .artifact, sans on paper chrome, mono for
 * machine stamps. Paper tokens never leave .artifact-scoped selectors.
 */

/* ==========================================================================
 * Shared shell — the paper pages' centered stage over the lattice
 * ========================================================================== */
.auth-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8) var(--sp-4);
}

/* ==========================================================================
 * Landing — a clear invitation into the swarm, with decorative local artwork.
 * ========================================================================== */
.landing {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: 0 var(--sp-16);
}
.landing-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  min-height: 96px;
  border-bottom: 1px solid var(--line-soft);
}
.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--t-title);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-max);
}
.landing-brand:hover { color: var(--text-max); text-decoration: none; }
.landing-brand .brand-accent { color: var(--sig); }
.landing-mark { width: 32px; height: 32px; color: var(--sig); }
.landing-status {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--t-meta);
  color: var(--text-label);
}
.landing-body { flex: 1; }
.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  align-items: center;
  gap: var(--sp-8);
  padding: var(--sp-16) 0;
  min-height: 620px;
}
.landing-eyebrow {
  margin: 0 0 var(--sp-6);
  color: var(--sig);
  font-family: var(--font-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.landing-thesis {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(56px, 6vw, 88px);
  line-height: 1.02;
  font-weight: 600;
  letter-spacing: -0.055em;
  color: var(--text-max);
}
.landing-thesis .decode-accent { color: var(--sig); }
.landing-sub {
  max-width: 40ch;
  margin: var(--sp-6) 0;
  color: var(--text-body);
  font-size: var(--t-title);
  line-height: 1.7;
}
.landing-cta {
  min-height: 48px;
  gap: var(--sp-8);
  padding: var(--sp-3) var(--sp-6);
  font-size: var(--t-body);
}
.landing-note {
  margin: var(--sp-4) 0 0;
  color: var(--text-label);
  font-size: var(--t-ui);
  line-height: 1.7;
}
.landing-visual { margin: 0; min-width: 0; }
/* The living hero (v7): the swarm loop plays muted in this slot; the webp
   is its poster and the reduced-motion / no-JS face (landing.js starts
   playback only when motion is welcome). Same radial mask as the still. */
.landing-visual img,
.landing-visual video {
  display: block;
  width: 100%;
  height: auto;
  -webkit-mask-image: radial-gradient(ellipse at center, var(--s-void) 40%, transparent 73%);
  mask-image: radial-gradient(ellipse at center, var(--s-void) 40%, transparent 73%);
}
.landing-visual figcaption {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-4);
  margin-top: var(--sp-4);
  color: var(--text-label);
  font-family: var(--font-mono);
  font-size: var(--t-meta);
}
.landing-visual-index { color: var(--sig); letter-spacing: 0.08em; }
.landing-flag img {
  height: clamp(350px, 38vw, 520px);
  object-fit: cover;
  object-position: 82% center;
  -webkit-mask-image: radial-gradient(ellipse at 62% 48%, var(--s-void) 42%, transparent 76%);
  mask-image: radial-gradient(ellipse at 62% 48%, var(--s-void) 42%, transparent 76%);
}
.landing-hero:has(.landing-flag) .landing-thesis { font-size: clamp(48px, 4.8vw, 70px); }
.landing-capabilities {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: var(--sp-12);
}
.landing-capability { position: relative; padding: var(--sp-8); }
.landing-capability:first-child { padding-left: 0; }
.landing-capability:last-child { padding-right: 0; }
.landing-capability + .landing-capability { border-left: 1px solid var(--line-soft); }
.landing-capability > .icon-lg {
  color: var(--sig);
  margin-bottom: var(--sp-5);
  transition:
    color var(--t-fast) var(--ease-snap),
    transform var(--t-fast) var(--ease-snap);
}
.landing-capability:hover > .icon-lg {
  color: var(--sig-bright);
  transform: translateY(-2px);
}
.landing-capability-no {
  position: absolute;
  top: var(--sp-8);
  right: var(--sp-8);
  color: var(--text-label);
  font-family: var(--font-mono);
  font-size: var(--t-meta);
  transition: color var(--t-fast) var(--ease-snap);
}
.landing-capability:hover .landing-capability-no { color: var(--sig); }
.landing-capability h2 { font-size: var(--t-title-lg); margin-bottom: var(--sp-2); }
.landing-capability p { max-width: 36ch; margin: 0; color: var(--text-label); line-height: 1.7; }
.landing-foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
  padding: 0 0 var(--sp-8);
  color: var(--text-label);
  font-family: var(--font-mono);
  font-size: var(--t-meta);
}
.landing-foot-divider { color: var(--sig); padding: 0 var(--sp-2); }

@media (max-width: 900px) {
  .landing { padding: 0 var(--sp-8); }
  .landing-hero { gap: var(--sp-4); min-height: 560px; }
  .landing-eyebrow { max-width: 25ch; line-height: 1.8; }
  .landing-visual figcaption { text-align: center; }
  .landing-capability { padding: var(--sp-6); }
}
@media (max-width: 640px) {
  .landing { padding: 0 var(--sp-5); }
  .landing-head { min-height: 80px; flex-wrap: wrap; gap: var(--sp-2); padding: var(--sp-4) 0; }
  .landing-brand { font-size: var(--t-body); }
  .landing-mark { width: 24px; height: 24px; }
  .landing-status { font-size: var(--t-meta); }
  .landing-hero { grid-template-columns: minmax(0, 1fr); padding: var(--sp-12) 0 var(--sp-8); gap: var(--sp-6); }
  .landing-eyebrow { max-width: none; margin-bottom: var(--sp-5); }
  .landing-thesis { font-size: clamp(52px, 12vw, 76px); }
  .landing-sub { font-size: var(--t-title); }
  .landing-visual { max-width: 460px; justify-self: center; }
  .landing-capabilities { grid-template-columns: minmax(0, 1fr); margin-bottom: var(--sp-8); }
  .landing-capability,
  .landing-capability:first-child,
  .landing-capability:last-child { padding: var(--sp-6) 0; }
  .landing-capability + .landing-capability { border-left: 0; border-top: 1px solid var(--line-soft); }
  .landing-capability-no { top: var(--sp-6); right: 0; }
  .landing-capability > .icon-lg { margin-bottom: var(--sp-3); }
}

/* ==========================================================================
 * THE PAPER — bootstrap instruction sheet + redeem slip
 * Paper tokens are legal from here down (.artifact scope only).
 * ========================================================================== */
.sheet {
  width: 100%;
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.sheet-bootstrap { max-width: 560px; }
.sheet-slip { max-width: 440px; }

.artifact .sheet-head {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--paper-rule);
}

/* Machine stamp on the sheet edge: mono caps, the sheet's class line. */
.artifact .sheet-kicker {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-muted);
}

.artifact .sheet-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--t-display-2);
  line-height: var(--t-display-2-lh);
  font-weight: 600;
  color: var(--paper-ink);
}

/* -- numbered steps: serif display numerals down the left margin ---------- */
.artifact .sheet-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.artifact .sheet-steps li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: var(--sp-3);
  align-items: baseline;
}

.artifact .step-no {
  font-family: var(--font-serif);
  font-size: var(--t-display-2);
  line-height: 1;
  font-weight: 600;
  color: var(--paper-faint);
  text-align: right;
}

.artifact .step-text {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--t-body);
  line-height: 1.6;
  color: var(--paper-ink);
}

.artifact .step-text strong { font-weight: 600; }
.artifact .step-text .mono { font-size: var(--t-meta); }

/* -- forms on paper: sans chrome, machine wells ----------------------------
 * Inputs keep the frozen .form-control recipe (dark pit + mono) — the token
 * is typed into the machine; the sheet is what the human reads. Labels and
 * help go sans per the paper-chrome law. */
.artifact .form-label {
  font-family: var(--font-sans);
  font-size: var(--t-ui);
  letter-spacing: 0;
  color: var(--paper-muted);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.auth-form .form-group { margin-bottom: 0; }

.artifact .auth-note {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--t-meta);
  line-height: var(--t-meta-lh);
  color: var(--paper-muted);
}

/* -- error slot: a paper well with serious ink ----------------------------- */
.artifact .auth-error {
  padding: var(--sp-2) var(--sp-3);
  background: var(--paper-well);
  border: 1px solid var(--paper-rule);
  border-left: 3px solid var(--st-serious);
  border-radius: var(--r-chamfer);
  color: var(--paper-ink);
  font-family: var(--font-sans);
  font-size: var(--t-ui);
  line-height: 1.5;
}

/* -- the human act: white press, full-bleed across the sheet -------------- */
.auth-submit {
  width: 100%;
  justify-content: center;
  min-height: 40px;
}

.auth-submit:disabled,
.auth-submit:disabled:hover {
  background: var(--text-max);
  border-color: var(--text-max);
  color: var(--s-void);
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

/* -- the slip: event identity block ---------------------------------------- */
.artifact .slip-tagline {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--t-title);
  line-height: var(--t-title-lh);
  color: var(--paper-muted);
}

.slip-event {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-2) var(--sp-3);
  align-items: center;
}

/* the deterministic emblem rides on a paper well so its hue tint reads */
.artifact .event-emblem { background: var(--paper-well); }

.slip-event-id {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.artifact .slip-joining {
  font-family: var(--font-mono);
  font-size: var(--t-meta);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-muted);
}

.artifact .slip-name {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--t-title-lg);
  line-height: 1.2;
  font-weight: 700;
  color: var(--paper-ink);
  overflow-wrap: anywhere;
}

.artifact .slip-status {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--t-meta);
  color: var(--paper-muted);
}

/* ==========================================================================
 * Responsive — single column always; the poster scales, the sheets shrink
 * ========================================================================== */
@media (max-width: 640px) {

  .auth-shell { padding: var(--sp-4) var(--sp-3); }
  .sheet { padding: var(--sp-6) var(--sp-4); gap: var(--sp-5); }
  .sheet-steps li { grid-template-columns: 32px 1fr; gap: var(--sp-2); }
  .step-no { font-size: var(--t-title-lg); }
}