/* Unmask: midnight-navy "security" look, violet -> cyan accent. Mobile-first. */
:root {
  --bg: #0a1026; --bg-glow: #1b1450; --card: #121a3a; --card-2: #182150; --line: rgba(148, 163, 255, .2);
  --ink: #eef1ff; --muted: #aab4dc; --focus: #67e8f9;
  --accent-a: #6d28d9; --accent-b: #0e7490;               /* button gradient: white text >= 5:1 on both ends */
  --grad-text-a: #a78bfa; --grad-text-b: #22d3ee;          /* heading gradient on navy */
  --low: #34d399; --low-bg: rgba(52, 211, 153, .12);
  --sus: #fbbf24; --sus-bg: rgba(251, 191, 36, .12);
  --high: #fb7185; --high-bg: rgba(251, 113, 133, .13);
  --inc: #a5b4d4; --inc-bg: rgba(165, 180, 212, .12);
  --shadow: 0 10px 30px rgba(2, 6, 30, .45), 0 1px 0 rgba(255, 255, 255, .04) inset;
  --radius: 20px;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-head: "Sora", "Inter", system-ui, sans-serif;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f5ff; --bg-glow: #e4defc; --card: #ffffff; --card-2: #f0f2ff; --line: rgba(60, 70, 140, .18);
    --ink: #0b1230; --muted: #475079; --focus: #6d28d9;
    --grad-text-a: #6d28d9; --grad-text-b: #0e7490;
    --low: #047857; --low-bg: #e3f7ee; --sus: #92400e; --sus-bg: #fff2d6;
    --high: #b91c1c; --high-bg: #fde8ea; --inc: #475569; --inc-bg: #e8ecf3;
    --shadow: 0 10px 28px rgba(40, 50, 120, .12), 0 1px 2px rgba(40, 50, 120, .08);
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--ink); font: 400 1rem/1.55 var(--font-body); min-height: 100vh;
  background: radial-gradient(1200px 520px at 80% -10%, var(--bg-glow), transparent 60%), var(--bg);
  overflow-wrap: anywhere;
}
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; margin: 0 0 .5rem; letter-spacing: -.01em; }
h1 { font-size: clamp(1.9rem, 7vw, 3rem); font-weight: 800; }
h2 { font-size: 1.35rem; font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 700; margin-top: 1.4rem; }
.grad { background: linear-gradient(90deg, var(--grad-text-a), var(--grad-text-b)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.muted, .hint { color: var(--muted); }
.small { font-size: .85rem; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 8px; top: 8px; background: var(--card); color: var(--ink); padding: 10px 14px; border-radius: 10px; z-index: 20; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 8px; }

/* header */
.top { padding: 14px 0 6px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.brand-name { font: 800 1.6rem/1 var(--font-head); letter-spacing: -.02em; }
.logo { border-radius: 12px; box-shadow: 0 6px 18px rgba(109, 40, 217, .45); flex: none; }
.disclaimer { background: var(--card-2); border-block: 1px solid var(--line); padding: 10px 0; font-size: .92rem; }
.hero { padding: 26px 0 8px; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 46rem; margin: .4rem 0 0; }

/* tabs */
.modes { display: flex; gap: 8px; margin: 22px 0 16px; flex-wrap: wrap; }
.modes button { flex: 1 1 200px; min-height: 52px; font: 600 1rem var(--font-body); border-radius: 14px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); cursor: pointer; padding: 10px 16px; }
.modes button[aria-selected="true"] { background: linear-gradient(135deg, var(--accent-a), var(--accent-b)); color: #fff; border-color: transparent; box-shadow: var(--shadow); }

/* cards + buttons */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 16px; }
.grid2, .live-grid { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); }
.grid2 > .card, .live-grid > .card { margin-bottom: 0; }
@media (min-width: 820px) { .grid2, .live-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .card { padding: 24px; } }
.btn { font: 600 1rem var(--font-body); min-height: 50px; padding: 12px 20px; border-radius: 14px; border: 1px solid var(--line); background: var(--card-2);
  color: var(--ink); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-align: center; }
.btn.primary { background: linear-gradient(135deg, var(--accent-a), var(--accent-b)); color: #fff; border-color: transparent; font-size: 1.05rem; box-shadow: 0 8px 22px rgba(109, 40, 217, .35); }
.btn.danger { color: var(--high); border-color: var(--high); background: transparent; }
.btn:hover:not(:disabled) { filter: brightness(1.08); }
.btn:disabled, button:disabled { opacity: .5; cursor: not-allowed; }
button.link { border: 0; background: none; color: var(--grad-text-b); text-decoration: underline; padding: 0; font: inherit; cursor: pointer; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 14px 0 0; }
.row .btn { flex: 1 1 100%; }
@media (min-width: 560px) { .row .btn { flex: 0 1 auto; } }
.error-text { color: var(--high); font-weight: 600; min-height: 1.4em; margin: 10px 0 0; }
.howto { padding-left: 1.2rem; margin: .6rem 0; } .howto li { margin: .35rem 0; }

/* samples + upload */
.sample-list { display: grid; gap: 10px; margin-top: 12px; }
.sample-btn { width: 100%; text-align: left; display: flex; gap: 14px; align-items: center; min-height: 72px; padding: 14px 16px; border-radius: 16px; cursor: pointer;
  border: 1px solid var(--line); background: var(--card-2); color: var(--ink); font: 600 1rem var(--font-body); }
.sample-btn small { display: block; font-weight: 400; color: var(--muted); font-size: .85rem; margin-top: 2px; }
.sample-ico { flex: none; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--accent-a), var(--accent-b)); }
.files { display: grid; gap: 12px; margin: 14px 0 18px; }
.file { display: flex; flex-direction: column; gap: 6px; font-weight: 600; }
.file input { font: 400 .92rem var(--font-body); color: var(--muted); max-width: 100%; padding: 10px; border: 1px dashed var(--line); border-radius: 12px; background: var(--card-2); min-height: 48px; }
.unavailable { text-align: center; padding: 28px 20px; }
.unavailable .btn { margin-top: 10px; }
.icon-circle { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 10px; color: #fff; background: linear-gradient(135deg, var(--accent-a), var(--accent-b)); }

/* live */
.preview-box { position: relative; background: #000; border-radius: 14px; overflow: hidden; cursor: crosshair; user-select: none; touch-action: none; }
.preview-box video { width: 100%; display: block; }
.crop-rect { position: absolute; border: 3px solid var(--focus); background: rgba(103, 232, 249, .14); pointer-events: none; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; color: var(--muted); margin: 0; font-weight: 700; }
.prompt { font: 700 clamp(1.4rem, 5vw, 1.9rem)/1.25 var(--font-head); margin: .4rem 0 .6rem; }
.why { color: var(--muted); font-size: .95rem; }
.countdown { font: 800 3rem/1.1 var(--font-head); min-height: 1.2em; font-variant-numeric: tabular-nums;
  background: linear-gradient(90deg, var(--grad-text-a), var(--grad-text-b)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* progress */
.progress h2 { margin-bottom: 12px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.steps li { display: flex; gap: 12px; align-items: center; color: var(--muted); font-weight: 500; }
.steps .mark { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--line); font-size: .8rem; }
.steps li.active { color: var(--ink); font-weight: 600; }
.steps li.active .mark { border-color: transparent; border-top-color: var(--grad-text-b); border-right-color: var(--grad-text-a); animation: spin .9s linear infinite; }
.steps li.done { color: var(--ink); }
.steps li.done .mark { background: linear-gradient(135deg, var(--accent-a), var(--accent-b)); border-color: transparent; color: #fff; }
.steps li.pending { opacity: .6; }
.slow { margin: 14px 0 0; padding: 12px 14px; border-radius: 12px; background: var(--sus-bg); color: var(--sus); font-weight: 600; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .steps li.active .mark { border-color: var(--grad-text-b); }
  .steps li.active .mark::after { content: "…"; }
}

/* results: simple */
.verdict { display: flex; gap: 18px; align-items: flex-start; border-radius: 24px; padding: 22px; margin: 8px 0 16px; border: 2px solid var(--vc, var(--inc));
  background: var(--vbg, var(--inc-bg)); box-shadow: var(--shadow); flex-direction: column; }
@media (min-width: 640px) { .verdict { flex-direction: row; padding: 28px; gap: 24px; } }
.verdict.LOW_RISK { --vc: var(--low); --vbg: var(--low-bg); } .verdict.SUSPICIOUS { --vc: var(--sus); --vbg: var(--sus-bg); }
.verdict.HIGH_RISK { --vc: var(--high); --vbg: var(--high-bg); } .verdict.INCONCLUSIVE { --vc: var(--inc); --vbg: var(--inc-bg); }
.verdict-icon { flex: none; width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center; color: var(--vc); border: 3px solid var(--vc); background: var(--card); }
.verdict-body { flex: 1; min-width: 0; }
.verdict h2 { font-size: clamp(1.6rem, 6vw, 2.4rem); color: var(--vc); font-weight: 800; margin: .2rem 0 .4rem; }
.verdict-sub { font-size: 1.1rem; margin: 0 0 14px; }
.meter { position: relative; height: 14px; border-radius: 999px; background: linear-gradient(90deg, var(--low), var(--sus) 55%, var(--high)); max-width: 460px; }
.meter-marker { position: absolute; top: 50%; width: 22px; height: 22px; border-radius: 50%; background: var(--card); border: 4px solid var(--ink); transform: translate(-50%, -50%); box-shadow: 0 2px 8px rgba(0, 0, 0, .4); }
.meter-labels { display: flex; justify-content: space-between; max-width: 460px; color: var(--muted); font-size: .8rem; margin-top: 6px; }
.meter-none { color: var(--muted); margin: 0; }
.reasons, .todo ul { margin: 0; padding-left: 1.2rem; } .reasons li, .todo li { margin: .5rem 0; }
.todo { border-color: var(--vc, var(--line)); border-width: 2px; }
.honesty { background: var(--card-2); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; margin: 16px 0; font-size: .95rem; }
.actions { margin-bottom: 8px; }

/* results: detailed */
.detailed { margin-top: 20px; padding-top: 8px; border-top: 1px solid var(--line); }
.table-wrap { overflow-x: auto; border-radius: 14px; border: 1px solid var(--line); background: var(--card); }
table.signals { width: 100%; border-collapse: collapse; min-width: 320px; }
.signals th, .signals td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.signals th[scope="row"] { font-weight: 600; } .signals .what { display: block; font-weight: 400; color: var(--muted); font-size: .85rem; }
.bar { display: inline-block; height: 10px; border-radius: 5px; background: linear-gradient(90deg, var(--accent-a), var(--accent-b)); vertical-align: middle; margin-right: 8px; max-width: 90px; }
.evidence { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }
.evidence figure { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.evidence img { width: 100%; display: block; } .evidence figcaption { padding: 8px 10px; font-size: .88rem; color: var(--muted); }
.timeline { list-style: none; padding: 0 0 0 4px; margin: 0; border-left: 3px solid var(--line); }
.timeline li { position: relative; padding: 8px 0 14px 18px; }
.timeline li::before { content: ""; position: absolute; left: -10px; top: 14px; width: 14px; height: 14px; border-radius: 50%; background: linear-gradient(135deg, var(--accent-a), var(--accent-b)); }
.tl-saw { color: var(--muted); font-size: .92rem; } .tl-chose { font-weight: 700; }
.badge { font-size: .75rem; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); margin-left: 6px; color: var(--muted); font-weight: 600; }
.badge.bedrock { border-color: var(--grad-text-b); color: var(--grad-text-b); } .badge.rule_fallback { border-color: var(--sus); color: var(--sus); }
.foot { color: var(--muted); font-size: .92rem; padding: 28px 16px 40px; }
.foot a { color: var(--grad-text-b); }