/* Strongbox — Secure file transfer
   Vault aesthetic: deep black ground, off-black panels, monospace, hairline rules.
   Single tunable --accent drives every glow/highlight. */

:root{
  --bg: #08090b;
  --panel: #0e1014;
  --panel-2: #14171c;
  --hair: rgba(255,255,255,.07);
  --hair-strong: rgba(255,255,255,.14);
  --ink: #e7e8ea;
  --ink-mute: #8a8d94;
  --ink-dim: #56595f;
  --ink-faint: #34363b;
  --danger: #ff5555;
  --warn: #ffb454;
  --accent: oklch(78% 0.15 145);
  --accent-soft: color-mix(in oklch, var(--accent) 16%, transparent);
  --accent-glow: color-mix(in oklch, var(--accent) 38%, transparent);
  --font: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

*,*::before,*::after{ box-sizing: border-box; }

html, body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.5;
  font-feature-settings: "ss01","cv01","cv02";
  -webkit-font-smoothing: antialiased;
}

body{
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% 0%, color-mix(in oklch, var(--accent) 5%, transparent) 0%, transparent 60%),
    repeating-linear-gradient(0deg, transparent 0 24px, rgba(255,255,255,.012) 24px 25px),
    repeating-linear-gradient(90deg, transparent 0 24px, rgba(255,255,255,.012) 24px 25px);
  background-attachment: fixed;
}

button{
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}
input{ font: inherit; color: inherit; }

a{ color: var(--accent); text-decoration: none; }

::selection{ background: var(--accent-soft); color: var(--ink); }

/* ── layout ─────────────────────────────────────────────────────────── */

.shell{
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.topbar, .footbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--hair);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: .06em;
}
.footbar{
  border-bottom: 0;
  border-top: 1px solid var(--hair);
}
.topbar > *, .footbar > *{ display: flex; gap: 16px; align-items: center; }

.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: .14em;
}
.brand-logo{
  height: 22px;
  width: auto;
  display: block;
}

.dot{
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse{
  0%, 100%{ box-shadow: 0 0 0 3px var(--accent-soft); }
  50%{ box-shadow: 0 0 0 6px color-mix(in oklch, var(--accent) 8%, transparent); }
}

.stage{
  display: grid;
  place-items: center;
  padding: 56px 24px;
}

.card{
  width: min(640px, 100%);
  background: var(--panel);
  border: 1px solid var(--hair);
  border-radius: 4px;
  box-shadow:
    0 1px 0 rgba(255,255,255,.02) inset,
    0 60px 120px -40px rgba(0,0,0,.6),
    0 0 0 1px rgba(255,255,255,.02);
  position: relative;
  overflow: hidden;
}
.card::before{
  /* top hairline edge highlight */
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--hair-strong), transparent);
}

.card-hd{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--hair);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: .12em;
  text-transform: uppercase;
  background:
    repeating-linear-gradient(135deg, transparent 0 6px, rgba(255,255,255,.015) 6px 7px);
}
.card-hd .left{ display: flex; gap: 12px; align-items: center; }
.card-hd .tag{
  color: var(--accent);
  border: 1px solid var(--accent-soft);
  background: color-mix(in oklch, var(--accent) 8%, transparent);
  padding: 1px 7px;
  border-radius: 2px;
  font-size: 10px;
}
.card-hd .id{ color: var(--ink-dim); font-size: 11px; }

.card-body{
  padding: 28px 32px 32px;
}

/* ── state header (icon + title + subtitle) ─────────────────────────── */

.state{
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: start;
  margin-bottom: 24px;
}
.state .glyph{
  width: 56px; height: 56px;
  border: 1px solid var(--hair-strong);
  border-radius: 4px;
  display: grid; place-items: center;
  color: var(--ink);
  position: relative;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.04), transparent 60%),
    var(--panel-2);
}
.state .glyph.accent{
  border-color: var(--accent);
  color: var(--accent);
  background:
    radial-gradient(circle at 30% 30%, var(--accent-soft), transparent 70%),
    var(--panel-2);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 6%, transparent);
}
.state .glyph.danger{
  border-color: color-mix(in oklch, var(--danger) 70%, transparent);
  color: var(--danger);
  background:
    radial-gradient(circle at 30% 30%, color-mix(in oklch, var(--danger) 14%, transparent), transparent 70%),
    var(--panel-2);
}
.state .glyph.warn{
  border-color: color-mix(in oklch, var(--warn) 60%, transparent);
  color: var(--warn);
  background:
    radial-gradient(circle at 30% 30%, color-mix(in oklch, var(--warn) 14%, transparent), transparent 70%),
    var(--panel-2);
}
.state h1{
  margin: 4px 0 6px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--ink);
}
.state p{
  margin: 0;
  color: var(--ink-mute);
  font-size: 12.5px;
  line-height: 1.55;
}

/* ── token input — segmented six-block monospace ────────────────────── */

.token-group{
  display: grid;
  gap: 10px;
}
.token-label{
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--ink-dim);
  letter-spacing: .14em;
  text-transform: uppercase;
}
.token-input{
  position: relative;
  display: flex;
  background: var(--bg);
  border: 1px solid var(--hair-strong);
  border-radius: 3px;
  overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
}
.token-input:focus-within{
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.token-input input{
  flex: 1;
  background: transparent;
  border: 0;
  outline: none;
  padding: 14px 16px;
  font-family: var(--font);
  font-size: 15px;
  letter-spacing: .14em;
  color: var(--ink);
  caret-color: var(--accent);
}
.token-input input::placeholder{
  color: var(--ink-faint);
  letter-spacing: .14em;
}
.token-input .scan{
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  font-size: 10px; color: var(--ink-dim); letter-spacing: .14em;
  display: flex; gap: 6px; align-items: center;
}

/* ── primary CTA ────────────────────────────────────────────────────── */

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 18px;
  border: 1px solid var(--hair-strong);
  border-radius: 3px;
  background: var(--panel-2);
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, transform .04s;
  position: relative;
}
.btn:hover{ background: #1a1d23; border-color: var(--hair-strong); }
.btn:active{ transform: translateY(1px); }
.btn[disabled]{ opacity: .5; cursor: not-allowed; }
.btn .arr{ color: var(--ink-mute); transition: transform .15s, color .15s; }
.btn:hover .arr{ transform: translateX(2px); color: var(--ink); }

.btn-primary{
  width: 100%;
  background: var(--accent);
  color: #0a1208;
  border-color: var(--accent);
  font-weight: 600;
  box-shadow:
    0 0 0 0 var(--accent-soft),
    0 12px 30px -10px var(--accent-glow);
}
.btn-primary:hover{
  background: color-mix(in oklch, var(--accent) 92%, white);
  border-color: var(--accent);
  box-shadow:
    0 0 0 4px var(--accent-soft),
    0 12px 30px -8px var(--accent-glow);
}
.btn-primary .arr{ color: rgba(10,18,8,.55); }
.btn-primary:hover .arr{ color: rgba(10,18,8,.9); }
.btn-primary[disabled]{ background: var(--panel-2); color: var(--ink-dim); border-color: var(--hair); box-shadow: none; }
.btn-primary[disabled] .arr{ color: var(--ink-dim); }

.btn-ghost{
  background: transparent;
  border-color: var(--hair);
  color: var(--ink-mute);
}
.btn-ghost:hover{ background: var(--panel-2); color: var(--ink); border-color: var(--hair-strong); }

/* ── form helper ────────────────────────────────────────────────────── */

.helper{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: .04em;
}
.helper .right{ display: flex; gap: 14px; }
.helper .ok{ color: var(--accent); }
.helper .err{ color: var(--danger); }

/* ── MFA dots ───────────────────────────────────────────────────────── */

.otp-row{
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin: 6px 0 4px;
}
.otp-cell{
  height: 56px;
  border: 1px solid var(--hair-strong);
  background: var(--bg);
  border-radius: 3px;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  transition: border-color .15s, box-shadow .15s, background .15s;
  position: relative;
}
.otp-cell.filled{
  border-color: var(--hair-strong);
  background: var(--panel-2);
}
.otp-cell.active{
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.otp-cell.active::after{
  content: "";
  width: 2px; height: 22px;
  background: var(--accent);
  animation: caret 1s steps(1) infinite;
}
@keyframes caret{ 50%{ opacity: 0; } }
.otp-input{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  border: 0;
  outline: 0;
}

/* ── file meta (success state) ──────────────────────────────────────── */

.meta{
  display: grid;
  gap: 0;
  border: 1px solid var(--hair);
  border-radius: 3px;
  overflow: hidden;
  background: var(--panel-2);
  margin-bottom: 22px;
}
.meta-row{
  display: grid;
  grid-template-columns: 130px 1fr;
  padding: 11px 16px;
  border-bottom: 1px solid var(--hair);
  font-size: 12px;
  align-items: center;
}
.meta-row:last-child{ border-bottom: 0; }
.meta-row .k{
  color: var(--ink-dim);
  letter-spacing: .12em;
  font-size: 10.5px;
  text-transform: uppercase;
}
.meta-row .v{
  color: var(--ink);
  word-break: break-all;
}
.meta-row .v.mono-sm{ font-size: 11px; color: var(--ink-mute); }

/* ── progress bar ───────────────────────────────────────────────────── */

.progress{
  position: relative;
  height: 6px;
  background: var(--panel-2);
  border: 1px solid var(--hair);
  border-radius: 2px;
  overflow: hidden;
  margin: 4px 0 14px;
}
.progress > i{
  display: block;
  height: 100%;
  width: var(--w,0%);
  background: linear-gradient(90deg,
    color-mix(in oklch, var(--accent) 60%, black),
    var(--accent));
  box-shadow: 0 0 12px var(--accent-glow);
  transition: width .25s ease;
}
.progress.indet > i{
  width: 30%;
  animation: indet 1.4s ease-in-out infinite;
}
@keyframes indet{
  0%{ transform: translateX(-100%); }
  100%{ transform: translateX(400%); }
}

/* ── countdown chip ─────────────────────────────────────────────────── */

.chip-row{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.chip{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 2px;
  border: 1px solid var(--hair);
  color: var(--ink-mute);
  font-size: 10.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.chip.ok{ color: var(--accent); border-color: color-mix(in oklch, var(--accent) 30%, transparent); background: color-mix(in oklch, var(--accent) 5%, transparent); }
.chip.warn{ color: var(--warn); border-color: color-mix(in oklch, var(--warn) 30%, transparent); background: color-mix(in oklch, var(--warn) 5%, transparent); }
.chip.err{ color: var(--danger); border-color: color-mix(in oklch, var(--danger) 30%, transparent); background: color-mix(in oklch, var(--danger) 5%, transparent); }

/* ── audit log ──────────────────────────────────────────────────────── */

.audit{
  margin-top: 22px;
  border-top: 1px dashed var(--hair);
  padding-top: 16px;
}
.audit h3{
  margin: 0 0 10px;
  font-size: 10.5px;
  color: var(--ink-dim);
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
}
.audit h3::after{
  content: ""; flex: 1; height: 1px; background: var(--hair);
}
.log{
  display: grid;
  gap: 4px;
  font-size: 11px;
  color: var(--ink-mute);
  max-height: 132px;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, black 60%, transparent);
}
.log-line{
  display: grid;
  grid-template-columns: 60px 20px 1fr;
  gap: 8px;
  align-items: baseline;
}
.log-line .t{ color: var(--ink-faint); font-variant-numeric: tabular-nums; }
.log-line .sev{ color: var(--accent); }
.log-line .sev.w{ color: var(--warn); }
.log-line .sev.e{ color: var(--danger); }
.log-line .m{ color: var(--ink); }
.log-line .m em{ color: var(--ink-mute); font-style: normal; }

/* ── glyph SVG helpers ──────────────────────────────────────────────── */

.glyph svg{ width: 24px; height: 24px; }
.glyph.spin svg{ animation: spin 1.2s linear infinite; }
@keyframes spin{ to{ transform: rotate(360deg); } }

/* ── small utilities ────────────────────────────────────────────────── */

.row{ display: flex; gap: 12px; }
.row > *{ flex: 1; }
.muted{ color: var(--ink-mute); }
.dim{ color: var(--ink-dim); }
.divider{ height: 1px; background: var(--hair); margin: 18px 0; }

.kbd{
  display: inline-block;
  border: 1px solid var(--hair-strong);
  border-bottom-width: 2px;
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 10px;
  color: var(--ink-mute);
  background: var(--panel-2);
  letter-spacing: .04em;
}

/* ── footer columns ─────────────────────────────────────────────────── */

.foot-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 1px;
  background: var(--hair);
  border-bottom: 1px solid var(--hair);
}
.foot-grid > div{
  background: var(--bg);
  padding: 18px 24px;
  display: grid;
  gap: 4px;
}
.foot-grid .k{
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.foot-grid .v{
  font-size: 12px;
  color: var(--ink);
}
.foot-grid .v.accent{ color: var(--accent); }

/* responsive */
@media (max-width: 640px){
  .card-body{ padding: 22px 18px 26px; }
  .topbar, .footbar{ padding: 14px 16px; font-size: 10px; }
  .meta-row{ grid-template-columns: 100px 1fr; padding: 10px 12px; }
  .foot-grid{ grid-template-columns: repeat(2, 1fr); }
  .state{ grid-template-columns: 44px 1fr; gap: 14px; }
  .state .glyph{ width: 44px; height: 44px; }
  .state .glyph svg{ width: 20px; height: 20px; }
}