/* File Type Identifier – same tokens as the platform (assets/css/style.css) */
:root {
  --bg: #0a0a0a;
  --panel: #101010;
  --panel-2: #151515;
  --panel-3: #1a1a1a;
  --panel-4: #222222;
  --line: rgba(255, 255, 255, .075);
  --line-strong: rgba(255, 255, 255, .14);
  --text: #e6e6e6;
  --text-dim: #aeaeae;
  --muted: #818181;
  --heading: #fff;
  --accent: #ff5707;
  --accent-hover: #ff7128;
  --accent-text: #ff7a3d;
  --accent-soft: rgba(255, 87, 7, .13);
  --accent-line: rgba(255, 87, 7, .48);
  --on-accent: #140800;
  --green: #2fcf7c;
  --green-text: #63e29e;
  --green-soft: rgba(47, 207, 124, .12);
  --green-line: rgba(47, 207, 124, .38);
  --warn: #ffd23f;
  --warn-text: #ffdf70;
  --warn-soft: rgba(255, 210, 63, .09);
  --warn-line: rgba(255, 210, 63, .35);
  --danger-text: #ff8aa6;
  --radius: 14px;
  --radius-md: 10px;
  --radius-sm: 7px;
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;
  --ease: cubic-bezier(.2, .8, .2, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: var(--bg); color: var(--text); font: 15px/1.55 var(--font);
}
a { color: var(--accent-text); }
code { font-family: var(--mono); font-size: .92em; background: var(--panel-3); padding: 1px 5px; border-radius: 4px; }
[hidden] { display: none !important; }
.offscreen { position: fixed; left: -9999px; top: 0; opacity: 0; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 38px; padding: 8px 16px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: var(--panel-3); color: var(--text); font: 600 14px/1.2 var(--font); text-decoration: none; cursor: pointer;
  transition: background .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease);
}
.btn:hover { background: var(--panel-4); border-color: rgba(255, 255, 255, .22); }
.btn:focus-visible, .chip:focus-visible, summary:focus-visible, .drop:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.ghost { background: transparent; }
.btn.small { min-height: 32px; padding: 5px 12px; font-size: 13px; }

/* header */
.top {
  display: flex; align-items: center; gap: 16px; padding: 12px 20px;
  border-bottom: 1px solid var(--line); background: var(--panel);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand h1 { margin: 0; font: 700 18px/1.2 var(--font-display); color: var(--heading); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-mark {
  flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px;
  background: var(--accent-soft); border: 1px solid var(--accent-line); color: var(--accent-text);
  font: 700 12px/1 var(--mono);
}

main { width: 100%; max-width: 1040px; margin: 0 auto; padding: 24px 20px 40px; flex: 1; }
.intro { margin: 0 0 18px; color: var(--text-dim); max-width: 760px; }
.intro strong { color: var(--text); }

/* drop zone */
.drop {
  position: relative; text-align: center; padding: 34px 20px 30px;
  border: 2px dashed var(--line-strong); border-radius: var(--radius); background: var(--panel);
  transition: border-color .15s var(--ease), background .15s var(--ease);
}
.drop.over, body.dragging .drop { border-color: var(--accent); background: var(--accent-soft); }
.drop-icon {
  width: 52px; height: 60px; margin: 0 auto 12px; position: relative;
  border: 2px solid var(--accent-line); border-radius: 6px 16px 6px 6px; background: var(--panel-3);
}
.drop-icon::before {
  content: "?"; position: absolute; inset: 0; display: grid; place-items: center;
  font: 700 24px/1 var(--font-display); color: var(--accent-text);
}
.drop-icon::after {
  content: ""; position: absolute; top: -2px; right: -2px; width: 16px; height: 16px;
  border-left: 2px solid var(--accent-line); border-bottom: 2px solid var(--accent-line); border-radius: 0 0 0 5px; background: var(--panel);
}
.drop-title { margin: 0; font: 700 19px/1.3 var(--font-display); color: var(--heading); }
.drop-sub { margin: 4px 0 18px; color: var(--muted); font-size: 13.5px; }
.drop-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }

/* results panel */
.panel { margin-top: 22px; }
.bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.counts { display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--text-dim); font-size: 14px; }
.counts b { color: var(--heading); font-weight: 700; }
.counts .c-match b { color: var(--green-text); }
.counts .c-guess b { color: var(--warn-text); }
.counts .c-busy { color: var(--muted); }
.bar-actions { display: flex; gap: 8px; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.chip {
  border: 1px solid var(--line-strong); background: transparent; color: var(--text-dim); border-radius: 999px;
  padding: 5px 12px; font: 600 13px/1.2 var(--font); cursor: pointer;
}
.chip:hover { color: var(--text); border-color: rgba(255, 255, 255, .24); }
.chip.on { background: var(--accent-soft); border-color: var(--accent-line); color: var(--accent-text); }
.chip .n { opacity: .75; font-weight: 500; margin-left: 4px; }
.empty-filter { color: var(--muted); text-align: center; padding: 20px; }

.results { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.card {
  display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 4px 16px; padding: 16px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel);
}
.card.st-match { border-left: 3px solid var(--green-line); }
.card.st-guess { border-left: 3px solid var(--warn-line); }
.card.st-unknown { border-left: 3px solid var(--line-strong); }
.tile {
  grid-row: span 3; align-self: start; width: 64px; height: 64px; border-radius: 12px;
  display: grid; place-items: center; padding: 4px; text-align: center; overflow: hidden;
  background: var(--panel-3); border: 1px solid var(--line-strong); color: var(--text);
  font: 800 14px/1.05 var(--font-display); letter-spacing: .02em; text-transform: uppercase; word-break: break-all;
}
.tile.small-text { font-size: 11px; }
.tile.cat-archive { background: rgba(255, 87, 7, .14); border-color: var(--accent-line); color: var(--accent-text); }
.tile.cat-package { background: rgba(255, 140, 40, .12); border-color: rgba(255, 140, 40, .42); color: #ffb067; }
.tile.cat-image { background: rgba(70, 170, 255, .12); border-color: rgba(70, 170, 255, .4); color: #8cc8ff; }
.tile.cat-audio { background: rgba(190, 110, 255, .12); border-color: rgba(190, 110, 255, .4); color: #d2a6ff; }
.tile.cat-video { background: rgba(255, 70, 130, .12); border-color: rgba(255, 70, 130, .4); color: #ff9cbf; }
.tile.cat-document { background: rgba(255, 210, 63, .1); border-color: rgba(255, 210, 63, .38); color: var(--warn-text); }
.tile.cat-executable { background: rgba(255, 90, 90, .12); border-color: rgba(255, 90, 90, .42); color: #ff9c9c; }
.tile.cat-font, .tile.cat-data, .tile.cat-disk-image { background: rgba(60, 210, 200, .1); border-color: rgba(60, 210, 200, .36); color: #86e6dd; }
.tile.cat-text { background: var(--green-soft); border-color: var(--green-line); color: var(--green-text); }
.tile.busy { color: var(--muted); }
.tile.busy::after { content: ""; width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--line-strong); border-top-color: var(--accent); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.fname { margin: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; min-width: 0; }
.fname .n { font-weight: 600; color: var(--heading); overflow-wrap: anywhere; }
.fname .s { color: var(--muted); font-size: 13px; white-space: nowrap; }
.fname .p { flex-basis: 100%; color: var(--muted); font-size: 12.5px; overflow-wrap: anywhere; }

.type { margin: 2px 0 0; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.type .t { font: 700 16.5px/1.3 var(--font-display); color: var(--text); }
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px; font: 600 12px/1.4 var(--font);
  border: 1px solid var(--line-strong); color: var(--text-dim); background: var(--panel-2); white-space: nowrap;
}
.badge.ext { font-family: var(--mono); color: var(--text); }
.badge.mime { font-family: var(--mono); font-weight: 500; white-space: normal; overflow-wrap: anywhere; border-radius: 8px; }
.badge.st-match { color: var(--green-text); border-color: var(--green-line); background: var(--green-soft); }
.badge.st-guess { color: var(--warn-text); border-color: var(--warn-line); background: var(--warn-soft); }
.badge.st-unknown { color: var(--text-dim); }

.body { grid-column: 2; min-width: 0; }
.desc { margin: 4px 0 0; color: var(--text-dim); font-size: 14px; }
.details { margin: 6px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 4px 6px; }
.details li { font-size: 12.5px; color: var(--text-dim); background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 1px 7px; overflow-wrap: anywhere; }
.note { margin: 8px 0 0; font-size: 13.5px; color: var(--text-dim); }
.note.warn { color: var(--warn-text); }
.note.ok { color: var(--green-text); }
.note.bad { color: var(--danger-text); }
.actions { margin-top: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.actions .btn { max-width: 100%; }
.actions .btn span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.hexbox { margin-top: 10px; }
.hexbox summary { cursor: pointer; color: var(--text-dim); font-size: 13px; width: max-content; padding: 2px 0; }
.hexbox summary:hover { color: var(--text); }
.hex {
  margin: 8px 0 0; padding: 10px 12px; border-radius: var(--radius-sm); background: #070707; border: 1px solid var(--line);
  font: 12.5px/1.5 var(--mono); color: #cfcfcf; overflow-x: auto; white-space: pre; tab-size: 4;
}
.hex .o { color: var(--muted); }
.hex .a { color: var(--accent-text); }

/* info boxes */
.info { margin-top: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.info summary { cursor: pointer; padding: 13px 16px; font-weight: 600; color: var(--text); }
.info summary:hover { color: var(--heading); }
.info-body { padding: 0 16px 14px; color: var(--text-dim); font-size: 14px; }
.info-body p { margin: 0 0 10px; }
.fmt-group { margin: 0 0 12px; }
.fmt-group h3 { margin: 0 0 6px; font: 700 14px/1.3 var(--font-display); color: var(--heading); }
.fmt-group h3 span { color: var(--muted); font-weight: 500; }
.fmt-list { display: flex; flex-wrap: wrap; gap: 4px; }
.fmt-list span { font-size: 12.5px; padding: 1px 7px; border-radius: 6px; background: var(--panel-2); border: 1px solid var(--line); }
.fmt-list span b { font-family: var(--mono); font-weight: 600; color: var(--text); margin-right: 4px; }

.foot {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; padding: 16px 20px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 13px;
}
.foot nav { display: flex; gap: 16px; }
.foot a { color: var(--text-dim); text-decoration: none; }
.foot a:hover { color: var(--accent-text); }

.toast {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 20; max-width: calc(100vw - 32px);
  padding: 10px 16px; border-radius: var(--radius-md); background: var(--panel-4); border: 1px solid var(--line-strong);
  color: var(--text); font-size: 14px; box-shadow: 0 16px 40px -12px rgba(0, 0, 0, .7);
}

@media (max-width: 640px) {
  body { font-size: 14.5px; }
  .top { padding: 10px 16px; gap: 10px; }
  .exit { padding: 6px 10px; min-height: 34px; font-size: 13px; }
  .brand h1 { font-size: 16px; }
  .brand-mark { display: none; }
  main { padding: 18px 16px 32px; }
  .drop { padding: 26px 14px 22px; }
  .drop-actions .btn { flex: 1 1 140px; }
  .card { grid-template-columns: 44px minmax(0, 1fr); gap: 4px 12px; padding: 13px; }
  .tile { width: 44px; height: 44px; border-radius: 10px; font-size: 11px; grid-row: span 2; }
  .tile.small-text { font-size: 9px; }
  .body { grid-column: 1 / -1; }
  .type .t { font-size: 15.5px; }
  .actions .btn { flex: 1 1 100%; }
  .hex { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation-duration: 0s !important; }
}