/* ============================================================
   HOLOLIFE LIVING · DIGITAL BUSINESS CARD
   Proof register (dark ground, gold-soft accent). Mobile-first.
   Every value traces to the Design System tokens.
   ============================================================ */

@import url("fonts.css");
@import url("ds/colors.css");
@import url("ds/typography.css");
@import url("ds/spacing.css");
@import url("ds/base.css");

/* ---------- page shell ---------- */
body.card {
  min-height: 100dvh;
  overflow-x: hidden;
  background:
    radial-gradient(120% 70% at 50% -8%, rgba(216, 187, 129, .06) 0%, transparent 55%),
    var(--abyss);
  display: flex;
  justify-content: center;
}

.card-shell {
  width: 100%;
  max-width: 27rem;
  padding: clamp(1.25rem, 4vw, 2rem) var(--gutter) var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* ---------- wordmark ---------- */
.wordmark {
  width: 152px;
  height: auto;
  opacity: .96;
  margin-bottom: var(--space-5);
}

/* ---------- hero ---------- */
.avatar {
  width: 100px;
  height: 100px;
  border-radius: 999px;
  overflow: hidden;
  position: relative;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold-faint);
  box-shadow: 0 0 0 5px rgba(216, 187, 129, .05);
  background: var(--night-2);
}
.avatar img.photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.avatar .emblem-fallback {
  width: 48px;
  height: 48px;
  opacity: .9;
}

.name {
  margin-top: var(--space-4);
  font: var(--w-medium) clamp(1.6rem, 5.5vw, 2rem)/1.1 var(--font-display);
  letter-spacing: var(--ls-display);
  color: var(--paper-ink);
}

.title {
  margin-top: var(--space-2);
  font: var(--w-regular) var(--t-small)/1.5 var(--font-body);
  color: var(--paper-soft);
  max-width: 24em;
}

/* ---------- hero divider ---------- */
.hero-rule {
  width: 44px;
  height: 1px;
  margin-top: var(--space-5);
  background: var(--gold-faint);
}

/* ---------- actions ---------- */
.actions {
  width: 100%;
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}
.actions-secondary {
  width: 100%;
  margin-top: var(--space-3);
  display: flex;
  justify-content: center;
}
.actions-secondary .btn {
  width: auto;
  min-width: 64%;
  padding-inline: 2em;
}

.btn {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  width: 100%;
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .55em;
  font: var(--w-medium) var(--t-mono-label)/1 var(--font-geometric);
  letter-spacing: var(--ls-nav);
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-0);
  transition: background var(--dur-quick) var(--ease),
              border-color var(--dur-quick) var(--ease),
              color var(--dur-quick) var(--ease);
}
.btn svg { width: 16px; height: 16px; flex: none; }

.btn-primary {
  background: var(--gold-soft);
  color: var(--abyss);
}
.btn-primary:hover,
.btn-primary:focus-visible { background: var(--gold-bright); }

.btn-ghost {
  background: transparent;
  border-color: var(--gold-faint);
  color: var(--gold-soft);
}
.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--gold-ghost);
  border-color: var(--gold-soft);
  color: var(--gold-bright);
}
.btn-quiet {
  background: transparent;
  border-color: var(--line-dark);
  color: var(--paper-soft);
}
.btn-quiet:hover,
.btn-quiet:focus-visible {
  border-color: var(--gold-soft);
  color: var(--gold-soft);
}

/* ---------- channels (icon-only row) ---------- */
.channels {
  width: 100%;
  margin-top: var(--space-4);
  display: flex;
  justify-content: center;
  gap: var(--space-3);
}
.channel {
  width: 50px;
  height: 50px;
  flex: none;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold-faint);
  border-radius: 999px;
  color: var(--gold-soft);
  text-decoration: none;
  transition: background var(--dur-quick) var(--ease),
              border-color var(--dur-quick) var(--ease),
              color var(--dur-quick) var(--ease);
}
.channel svg { width: 20px; height: 20px; }
.channel:hover,
.channel:focus-visible {
  background: var(--gold-ghost);
  border-color: var(--gold-soft);
  color: var(--gold-bright);
}

/* ---------- QR artefact (DS spec, gold-on-abyss hero) ---------- */
.qr-block {
  width: 100%;
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--line-dark);
  display: flex;
  justify-content: center;
}
.qr-frame {
  padding: 16px;
  border: 1px solid var(--gold-soft);
  border-radius: var(--radius-0);
}
.qr {
  position: relative;
  width: 168px;
  height: 168px;
  display: grid;
  place-items: center;
}
.qr .qr-code { width: 168px; height: 168px; display: block; }
.qr .emb {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--abyss);
}
.qr .emb img { width: 32px; height: 32px; }

/* ---------- footer ---------- */
.card-foot {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}
.card-foot .brandline {
  font: var(--w-medium) 1.15rem/1.2 var(--font-display);
  font-style: italic;
  letter-spacing: -.01em;
  color: var(--paper-ink);
}
.card-foot .endorse {
  font: var(--w-regular) var(--t-mono-label)/1 var(--font-geometric);
  letter-spacing: .28em;
  text-indent: .28em;
  text-transform: uppercase;
  color: rgba(243, 238, 227, .38);
}
.card-foot .endorse b { font-weight: 700; color: rgba(243, 238, 227, .58); }

/* ---------- toast (clipboard fallback only, hidden by default) ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%) translateY(160%);
  background: var(--gold-soft);
  color: var(--abyss);
  font: var(--w-medium) var(--t-caption)/1 var(--font-geometric);
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .85em 1.4em;
  border-radius: var(--radius-sm);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform var(--dur-base) var(--ease),
              opacity var(--dur-base) var(--ease),
              visibility 0s linear var(--dur-base);
  z-index: 60;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  visibility: visible;
  transition: transform var(--dur-base) var(--ease),
              opacity var(--dur-base) var(--ease);
}

/* ---------- sheet / modal ---------- */
.sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 10, 8, .74);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease),
              visibility 0s linear var(--dur-base);
  z-index: 50;
}
.sheet-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: opacity var(--dur-base) var(--ease);
}
.sheet {
  width: 100%;
  max-width: 27rem;
  max-height: 92dvh;
  overflow-y: auto;
  background: var(--night);
  border-top: 1px solid var(--gold-faint);
  padding: var(--space-4) var(--gutter) calc(var(--space-7) + env(safe-area-inset-bottom, 0px));
  transform: translateY(100%);
  transition: transform var(--dur-slow) var(--ease);
}
.sheet-overlay.open .sheet { transform: translateY(0); }
.sheet-grip {
  width: 40px;
  height: 4px;
  margin: 0 auto var(--space-5);
  border-radius: var(--radius-pill);
  background: var(--line-dark);
}
.sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.sheet-title {
  font: var(--w-medium) 1.35rem/1.15 var(--font-display);
  letter-spacing: -.012em;
  color: var(--paper-ink);
}
.sheet-close {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  flex: none;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  color: var(--paper-soft);
  transition: border-color var(--dur-quick) var(--ease), color var(--dur-quick) var(--ease);
}
.sheet-close:hover,
.sheet-close:focus-visible { border-color: var(--gold-soft); color: var(--gold-soft); }
.sheet-close svg { width: 16px; height: 16px; }

/* ---------- exchange form ---------- */
.form-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
}
.field { display: flex; flex-direction: column; gap: .5em; }
.field label {
  font: var(--w-medium) var(--t-mono-label)/1 var(--font-geometric);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--paper-faint);
}
.field input,
.field textarea {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  background: var(--night-2);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-0);
  color: var(--paper-ink);
  font: var(--w-regular) var(--t-body)/1.5 var(--font-body);
  padding: .85em 1em;
  min-height: 50px;
  transition: border-color var(--dur-quick) var(--ease);
}
.field textarea { min-height: 76px; resize: vertical; }
.field input:focus,
.field textarea:focus { outline: none; border-color: var(--gold-soft); }
.field input::placeholder,
.field textarea::placeholder { color: var(--paper-faint); }
.form-note {
  font: var(--w-regular) var(--t-caption)/1.5 var(--font-body);
  color: var(--paper-faint);
  text-align: left;
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-submit { margin-top: var(--space-2); }

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
  padding: var(--space-6) 0;
}
.form-success.show { display: flex; }
.form-success .tick {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold-soft);
  border-radius: 999px;
  color: var(--gold-soft);
}
.form-success .tick svg { width: 24px; height: 24px; }
.form-success p {
  font: var(--w-regular) var(--t-lede)/1.5 var(--font-display);
  color: var(--paper-ink);
  max-width: 20em;
}