/* ----------------------------------------------------------------------- *
 *  key — visual system
 * ----------------------------------------------------------------------- */
:root {
  --bg:        #0b0d12;
  --bg-2:      #0e1118;
  --card:      #14171f;
  --card-2:    #181c26;
  --line:      #232834;
  --line-2:    #2c3340;
  --fg:        #eef1f6;
  --muted:     #8b93a4;
  --faint:     #5d6578;

  --accent:    #6d8bff;
  --accent-2:  #8aa2ff;
  --accent-ink:#0a0f22;

  --ok:        #34d399;
  --ok-glow:   rgba(52, 211, 153, .35);
  --warn:      #f7b955;
  --err:       #ff6b6b;

  --radius:    16px;
  --radius-sm: 11px;
  --shadow:    0 18px 50px -20px rgba(0,0,0,.7);
  --ring:      0 0 0 3px rgba(109, 139, 255, .28);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
body.centered { display: flex; align-items: center; justify-content: center; }
body { overflow-x: hidden; }

/* ambient background glow */
.bg {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 50% at 50% -10%, rgba(109,139,255,.16), transparent 70%),
    radial-gradient(40% 40% at 100% 100%, rgba(52,211,153,.08), transparent 70%),
    var(--bg);
}

.wrap { width: 100%; max-width: 940px; margin: 0 auto; padding: 26px 18px 72px; }
body.centered .wrap { max-width: 440px; padding: 24px 18px; }

h1, h2 { margin: 0; letter-spacing: -.01em; }
h2 { font-size: 1.12rem; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85em; }
.lede { color: var(--muted); margin: 6px 0 18px; }

/* --- brand ------------------------------------------------------------- */
.brand { display: flex; align-items: center; gap: 9px; }
.brand-mark {
  width: 34px; height: 34px; display: grid; place-items: center;
  border-radius: 10px; color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow: 0 6px 18px -6px rgba(109,139,255,.7);
}
.brand-mark svg { width: 20px; height: 20px; }
.brand-name { font-size: 1.32rem; font-weight: 700; letter-spacing: -.02em; }
.brand-sub {
  font-size: .68rem; text-transform: uppercase; letter-spacing: .14em;
  color: var(--faint); border: 1px solid var(--line); border-radius: 999px;
  padding: 2px 8px; margin-left: 2px;
}

/* --- cards -------------------------------------------------------------- */
.card {
  background: linear-gradient(180deg, var(--card-2), var(--card));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  margin: 16px 0;
  box-shadow: var(--shadow);
}
.card.auth, .card.guest, .card.message { padding: 30px 26px; }
.card-head { margin-bottom: 16px; }
.card-head h2 { margin-bottom: 3px; }
.card-head.row, .topbar-right { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.card-head.row { flex-wrap: wrap; }

/* --- topbar ------------------------------------------------------------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap; padding: 4px 2px 10px;
}
.topbar-right { gap: 10px; }

/* --- pills / tags ------------------------------------------------------- */
.pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .82rem; font-weight: 600; padding: 5px 12px;
  border-radius: 999px; border: 1px solid var(--line-2); background: rgba(255,255,255,.02);
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); box-shadow: 0 0 0 0 transparent; }
.pill.secured { color: var(--ok); border-color: rgba(52,211,153,.4); }
.pill.secured .dot { background: var(--ok); box-shadow: 0 0 10px 1px var(--ok-glow); }
.pill.open { color: var(--warn); border-color: rgba(247,185,85,.4); }
.pill.open .dot { background: var(--warn); box-shadow: 0 0 10px 1px rgba(247,185,85,.4); }
.pill.unknown { color: var(--muted); }

.tag {
  display: inline-block; font-size: .72rem; font-weight: 600; letter-spacing: .01em;
  padding: 3px 9px; border-radius: 999px; text-transform: capitalize;
  border: 1px solid var(--line-2); color: var(--muted);
}
.tag.active   { color: var(--ok);   border-color: rgba(52,211,153,.45);  background: rgba(52,211,153,.08); }
.tag.pending  { color: var(--warn); border-color: rgba(247,185,85,.45);  background: rgba(247,185,85,.08); }
.tag.revoked,
.tag.expired  { color: var(--err);  border-color: rgba(255,107,107,.4);  background: rgba(255,107,107,.07); }
.tag.used     { color: var(--faint); }

/* --- forms -------------------------------------------------------------- */
.field { display: block; margin: 0 0 14px; }
.field-label { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 6px; font-weight: 500; }
.field-label .opt { color: var(--faint); font-weight: 400; }
.field-label .req { color: var(--accent-2); }
input {
  width: 100%; padding: 11px 13px; font-size: 1rem; color: var(--fg);
  background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  transition: border-color .15s, box-shadow .15s;
}
input::placeholder { color: var(--faint); }
input:focus { outline: none; border-color: var(--accent); box-shadow: var(--ring); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.form-grid .span2 { grid-column: 1 / -1; }
.form-actions { margin-top: 4px; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

/* --- buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  cursor: pointer; font: inherit; font-weight: 600; line-height: 1;
  padding: 11px 18px; border-radius: var(--radius-sm); border: 1px solid transparent;
  transition: transform .08s, filter .15s, background .15s, border-color .15s;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 16px; height: 16px; }
.btn-sm { padding: 8px 13px; font-size: .85rem; }
.btn-block { width: 100%; margin-top: 6px; }
.btn-primary { background: linear-gradient(135deg, var(--accent-2), var(--accent)); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-secondary { background: var(--card-2); border-color: var(--line-2); color: var(--fg); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-ghost { background: transparent; border-color: var(--line-2); color: var(--muted); }
.btn-ghost:hover { color: var(--fg); border-color: var(--line-2); }
.btn-danger { background: transparent; border-color: rgba(255,107,107,.4); color: var(--err); }
.btn-danger:hover { background: rgba(255,107,107,.1); }
.inline { display: inline; margin: 0; }

/* --- messages ----------------------------------------------------------- */
.error {
  color: #ffd5d5; background: rgba(255,107,107,.12); border: 1px solid rgba(255,107,107,.3);
  padding: 10px 13px; border-radius: var(--radius-sm); margin: 0 0 14px; font-size: .92rem;
}

/* --- created banner ----------------------------------------------------- */
.card.created { border-color: rgba(52,211,153,.4); background: linear-gradient(180deg, rgba(52,211,153,.07), var(--card)); }
.created-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.created-ic { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; background: var(--ok); color: #052b1e; }
.created-ic svg { width: 16px; height: 16px; }
.copyrow { display: flex; gap: 9px; margin-top: 12px; }
.copyfield {
  flex: 1; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; color: var(--accent-2);
}
.copy-btn { white-space: nowrap; }
.copy-btn.copied { color: var(--ok); border-color: rgba(52,211,153,.5); }
.pinline { margin: 12px 0 0; color: var(--muted); }
.pinline code { font-size: 1.05rem; letter-spacing: .18em; color: var(--fg); }
code { background: var(--bg-2); padding: 3px 9px; border-radius: 7px; border: 1px solid var(--line); }

/* --- tables ------------------------------------------------------------- */
.tablewrap { overflow-x: auto; margin: 0 -4px; }
table.data { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.data th {
  text-align: left; padding: 8px 12px; color: var(--faint); font-weight: 600;
  font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; white-space: nowrap;
  border-bottom: 1px solid var(--line);
}
table.data td { padding: 12px; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: middle; }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: rgba(255,255,255,.018); }
.who { font-weight: 600; }
.yes { color: var(--ok); }
.row-action { text-align: right; }
.empty { text-align: center; color: var(--faint); padding: 26px 12px !important; }

/* table -> cards on narrow screens */
@media (max-width: 640px) {
  table.data thead { display: none; }
  table.data, table.data tbody, table.data tr, table.data td { display: block; width: 100%; }
  table.data tr { border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 10px; padding: 4px 2px; }
  table.data td { border: 0; padding: 7px 14px; white-space: normal; display: flex; justify-content: space-between; gap: 14px; }
  table.data td::before {
    content: attr(data-th); color: var(--faint); font-size: .76rem; text-transform: uppercase;
    letter-spacing: .05em; font-weight: 600; flex: 0 0 auto;
  }
  table.data td.row-action { justify-content: flex-end; }
  table.data td.row-action::before { display: none; }
}

/* --- guest unlock ------------------------------------------------------- */
.card.guest { text-align: center; }
.card.guest .brand { justify-content: center; }
.guest-status { margin: 4px 0 18px; }
.pin-field { max-width: 220px; margin: 0 auto 22px; text-align: left; }
.pin-field input { text-align: center; letter-spacing: .35em; font-size: 1.25rem; }

.unlock {
  position: relative; width: 168px; height: 168px; margin: 6px auto 0;
  border-radius: 50%; cursor: pointer; border: 0; padding: 0;
  background: radial-gradient(120% 120% at 50% 25%, var(--card-2), #0d1018);
  box-shadow: 0 0 0 1px var(--line-2), 0 22px 45px -18px rgba(0,0,0,.85), inset 0 1px 0 rgba(255,255,255,.04);
  color: var(--fg); display: grid; place-items: center;
  transition: transform .12s ease, box-shadow .25s ease;
}
.unlock:hover { transform: translateY(-2px); }
.unlock:active { transform: scale(.97); }
.unlock:focus-visible { outline: none; box-shadow: 0 0 0 1px var(--accent), var(--ring), 0 22px 45px -18px rgba(0,0,0,.85); }
.unlock-ring {
  position: absolute; inset: 10px; border-radius: 50%;
  border: 2px solid var(--accent); opacity: .55;
  transition: border-color .3s, opacity .3s, transform .3s;
}
.unlock-ic { position: absolute; transition: opacity .25s, transform .35s; color: var(--accent-2); }
.unlock-ic svg { width: 52px; height: 52px; }
.ic-check { opacity: 0; transform: scale(.4); color: #052b1e; }
.unlock-spin {
  position: absolute; width: 132px; height: 132px; border-radius: 50%;
  border: 2px solid transparent; border-top-color: var(--accent-2); opacity: 0;
}
.unlock-cta { margin: 16px 0 0; font-weight: 600; color: var(--muted); letter-spacing: .02em; }

/* loading state */
.unlock.is-loading { cursor: progress; }
.unlock.is-loading .ic-lock { opacity: 0; transform: scale(.7); }
.unlock.is-loading .unlock-ring { opacity: .15; }
.unlock.is-loading .unlock-spin { opacity: 1; animation: spin .8s linear infinite; }

/* success state */
.unlock.is-success { box-shadow: 0 0 0 1px rgba(52,211,153,.5), 0 0 60px -8px var(--ok-glow); }
.unlock.is-success .ic-lock { opacity: 0; transform: scale(.5); }
.unlock.is-success .ic-check { opacity: 1; transform: scale(1); }
.unlock.is-success .unlock-ring { border-color: var(--ok); opacity: 1; background: var(--ok); }
.unlock.is-success .unlock-spin { opacity: 0; animation: none; }

/* error shake */
.unlock.is-error { animation: shake .4s; }
.unlock.is-error .unlock-ring { border-color: var(--err); }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20%,60% { transform: translateX(-8px); }
  40%,80% { transform: translateX(8px); }
}

.result { min-height: 1.4em; margin: 16px 0 0; font-weight: 600; }
.result.ok  { color: var(--ok); }
.result.err { color: var(--err); }
.foot { margin: 22px 0 0; color: var(--faint); font-size: .82rem; }

/* --- message page ------------------------------------------------------- */
.card.message { text-align: center; }
.card.message .brand { justify-content: center; margin-bottom: 10px; }
.msg-head { font-size: 1.5rem; margin-bottom: 6px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}