/* ============================================================
   Device link — anonymous cross-device "login" page (/link)
   ============================================================ */

.link-page { padding-bottom: 60px; }
[hidden] { display: none !important; }

.link-intro {
  margin: 18px 0 28px;
  text-align: center;
}
.link-title {
  font-size: clamp(34px, 7vw, 52px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 6px;
}
.link-lead {
  font-size: 17px;
  color: var(--ink-soft);
  margin: 0 0 22px;
}

.link-anon {
  text-align: left;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 20px;
  font-size: 14.5px;
  color: var(--ink);
  line-height: 1.55;
}
.link-anon p { margin: 6px 0 0; }
.link-anon-label {
  display: inline-block;
  font-size: 10.5px; letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.link-card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 24px;
  margin-bottom: 18px;
}
.link-card-head {
  display: flex; align-items: baseline; gap: 14px;
  margin-bottom: 10px;
}
.link-card-num {
  font-size: 11px; letter-spacing: 0.25em;
  color: var(--ink-soft);
}
.link-card-head h2 {
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0;
}
.link-card-body {
  color: var(--ink-soft);
  font-size: 15px;
  margin: 0 0 18px;
}

.link-cta {
  width: 100%;
  background: var(--ink); color: var(--paper);
  border: none; border-radius: 14px;
  padding: 16px;
  font: inherit; font-weight: 700;
  font-size: 14px; letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.1s, opacity 0.15s;
}
.link-cta:disabled { opacity: 0.5; cursor: wait; }
@media (hover: hover) { .link-cta:hover:not(:disabled) { transform: translateY(-1px); } }
.link-cta:active:not(:disabled) { transform: translateY(1px); }

.link-secondary {
  margin-top: 14px;
  background: transparent; color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 10px 14px;
  font: inherit; font-size: 12px; letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s;
}
@media (hover: hover) { .link-secondary:hover { background: var(--paper); } }

.link-code-display {
  margin-top: 22px;
  text-align: center;
  border-top: 1px dashed var(--line);
  padding-top: 22px;
}
.link-code-label {
  font-size: 11px; letter-spacing: 0.3em;
  color: var(--ink-soft); text-transform: uppercase;
  margin-bottom: 10px;
}
.link-code {
  font-size: clamp(40px, 11vw, 64px);
  letter-spacing: 0.16em;
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
  margin-bottom: 8px;
}
.link-code-meta {
  font-size: 11px; letter-spacing: 0.18em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.link-form {
  display: flex; flex-direction: column;
  gap: 12px;
}
.link-input {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  padding: 16px;
  text-align: center;
  font-size: 28px;
  letter-spacing: 0.3em;
  font-variant-numeric: tabular-nums;
  background: var(--paper);
  color: var(--ink);
}
.link-input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.link-error {
  margin-top: 10px;
  font-size: 11px; color: var(--accent);
  min-height: 14px;
  text-align: center;
  letter-spacing: 0.05em;
}
.link-success {
  margin-top: 12px;
  font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-yes, #1a8b5a);
  text-align: center;
}