:root {
  --bg: #0a0f1e;
  --panel: #101a30;
  --panel-2: #0d1526;
  --border: rgba(110, 140, 255, 0.16);
  --text: #dbe4ff;
  --dim: #8ea0c8;
  --blue: #3b82f6;
  --violet: #8b5cf6;
  --cyan: #22d3ee;
  --green: #34d399;
  --red: #f87171;
  --amber: #fbbf24;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, rgba(139, 92, 246, 0.12), transparent),
              radial-gradient(900px 500px at -10% 110%, rgba(34, 211, 238, 0.08), transparent),
              var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
}
code, .mono, .hash, .hexcell, .offset { font-family: "Cascadia Code", "JetBrains Mono", Consolas, monospace; }

#topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 22px; border-bottom: 1px solid var(--border);
  background: rgba(10, 15, 30, 0.8); backdrop-filter: blur(6px);
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 40px; height: 40px; border-radius: 10px;
  background: linear-gradient(135deg, var(--blue), var(--violet));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; color: #fff; letter-spacing: 0.5px;
  box-shadow: 0 0 18px rgba(99, 102, 241, 0.45);
}
.brand-name { font-size: 18px; font-weight: 700; }
.brand-sub { font-size: 12px; color: var(--dim); }
.chip {
  padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 600;
  letter-spacing: 0.4px; margin-left: 8px;
}
.chip-violet { background: rgba(139, 92, 246, 0.16); color: #c4b5fd; border: 1px solid rgba(139, 92, 246, 0.4); }
.chip-cyan { background: rgba(34, 211, 238, 0.12); color: #67e8f9; border: 1px solid rgba(34, 211, 238, 0.35); }

#layout {
  display: grid; grid-template-columns: 210px 1fr 300px; gap: 18px;
  padding: 18px 22px; max-width: 1500px; margin: 0 auto; align-items: start;
}
#toolnav { display: flex; flex-direction: column; gap: 8px; position: sticky; top: 18px; }
.nav-btn {
  display: flex; align-items: center; gap: 10px; text-align: left;
  background: var(--panel-2); color: var(--dim); border: 1px solid var(--border);
  padding: 11px 14px; border-radius: 10px; cursor: pointer; font-size: 14px; font-weight: 600;
  transition: all 0.15s ease;
}
.nav-btn:hover { color: var(--text); border-color: rgba(110, 140, 255, 0.4); }
.nav-btn.active {
  color: #fff; border-color: var(--violet);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.22), rgba(139, 92, 246, 0.22));
  box-shadow: 0 0 14px rgba(139, 92, 246, 0.25);
}
.nav-ico {
  flex: none; width: 20px; height: 20px; border-radius: 6px; font-size: 11px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  background: rgba(59, 130, 246, 0.18); color: #93c5fd; border: 1px solid rgba(110, 140, 255, 0.3);
}
.nav-btn.active .nav-ico { background: linear-gradient(135deg, var(--blue), var(--violet)); color: #fff; }
.nav-foot { margin-top: 14px; font-size: 11px; color: var(--dim); line-height: 1.5; padding: 0 4px; }

#panel { min-height: 560px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 16px 18px; margin-bottom: 14px;
}
.card h3 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--cyan); }
.panel-title { font-size: 20px; font-weight: 700; margin: 2px 0 4px; }
.panel-desc { color: var(--dim); font-size: 13.5px; margin: 0 0 16px; line-height: 1.5; }
.brief { font-size: 13px; color: var(--dim); line-height: 1.55; margin: 0 0 8px; }

button.action {
  background: linear-gradient(135deg, var(--blue), var(--violet)); color: #fff; border: 0;
  padding: 9px 16px; border-radius: 9px; font-weight: 700; font-size: 13px; cursor: pointer;
  transition: filter 0.15s ease;
}
button.action:hover { filter: brightness(1.15); }
button.action:disabled { opacity: 0.4; cursor: not-allowed; filter: none; }
button.ghost {
  background: transparent; color: var(--dim); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 9px; font-weight: 600; font-size: 13px; cursor: pointer;
}
button.ghost:hover { color: var(--text); border-color: rgba(110, 140, 255, 0.4); }

table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th {
  text-align: left; color: var(--dim); font-size: 11.5px; text-transform: uppercase;
  letter-spacing: 0.8px; padding: 8px 10px; border-bottom: 1px solid var(--border);
}
table.data td { padding: 9px 10px; border-bottom: 1px solid rgba(110, 140, 255, 0.08); vertical-align: middle; }
tr.deleted td { color: #fca5a5; }
tr.deleted .fname { text-decoration: line-through; text-decoration-color: rgba(248, 113, 113, 0.6); }
tr.selectable { cursor: pointer; }
tr.selectable:hover td { background: rgba(139, 92, 246, 0.08); }
tr.selected td { background: rgba(59, 130, 246, 0.14); }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.badge-ok { background: rgba(52, 211, 153, 0.14); color: var(--green); }
.badge-del { background: rgba(248, 113, 113, 0.14); color: var(--red); }
.badge-warn { background: rgba(251, 191, 36, 0.14); color: var(--amber); }
.badge-info { background: rgba(59, 130, 246, 0.16); color: #93c5fd; }

.hash { font-size: 12px; word-break: break-all; color: #a5b4fc; }
.hashbox { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; margin-top: 6px; }
.hashbox .lbl { font-size: 10.5px; color: var(--dim); text-transform: uppercase; letter-spacing: 0.8px; }

.evidence-card { border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; margin-bottom: 14px; background: var(--panel-2); }
.evidence-card h4 { margin: 0 0 2px; font-size: 15px; }
.evidence-card .meta { color: var(--dim); font-size: 12px; margin-bottom: 10px; }
.verdict-row { display: flex; gap: 10px; margin-top: 10px; align-items: center; flex-wrap: wrap; }
.feedback { font-size: 13px; font-weight: 600; margin-top: 8px; }
.feedback.good { color: var(--green); }
.feedback.bad { color: var(--red); }

.hexwrap { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 12px; max-height: 380px; overflow: auto; }
.hexrow { display: flex; align-items: center; gap: 2px; line-height: 1.9; }
.offset { color: var(--violet); font-size: 12px; width: 74px; flex: none; }
.hexcell {
  font-size: 12px; padding: 1px 4px; border-radius: 4px; cursor: pointer; color: var(--dim); user-select: none;
}
.hexcell:hover { background: rgba(34, 211, 238, 0.15); color: var(--cyan); }
.hexcell.in-range { background: rgba(59, 130, 246, 0.25); color: #bfdbfe; }
.hexcell.edge { outline: 1px solid var(--cyan); color: var(--cyan); }
.ascii { margin-left: 10px; color: rgba(142, 160, 200, 0.6); font-size: 11px; letter-spacing: 1px; }
.carve-result { margin-top: 14px; display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.carve-result img { border: 1px solid var(--cyan); border-radius: 8px; box-shadow: 0 0 16px rgba(34, 211, 238, 0.3); }

.tasks { list-style: none; margin: 0; padding: 0; }
.tasks li { display: flex; gap: 9px; align-items: flex-start; padding: 7px 0; font-size: 13px; color: var(--dim); }
.tasks li .tick {
  flex: none; width: 18px; height: 18px; border-radius: 6px; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-size: 11px; margin-top: 1px;
}
.tasks li.done { color: var(--text); }
.tasks li.done .tick { background: rgba(52, 211, 153, 0.2); border-color: var(--green); color: var(--green); }
.tasks li.partial .tick { background: rgba(251, 191, 36, 0.15); border-color: var(--amber); color: var(--amber); }

.score-card { text-align: center; }
.score-ring {
  width: 110px; height: 110px; margin: 6px auto 10px; border-radius: 50%;
  border: 3px solid var(--violet); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 22px rgba(139, 92, 246, 0.3), inset 0 0 18px rgba(59, 130, 246, 0.15);
}
.score-ring span { font-size: 34px; font-weight: 800; }
.score-ring small { color: var(--dim); font-size: 12px; margin-left: 2px; align-self: flex-end; margin-bottom: 26px; }
.score-note { font-size: 12px; color: var(--dim); }

.report-grade { font-size: 15px; font-weight: 700; }
.finding { border-left: 3px solid var(--violet); padding: 6px 12px; margin: 10px 0; font-size: 13.5px; color: var(--text); background: rgba(139, 92, 246, 0.07); border-radius: 0 8px 8px 0; }

.tl-flag { width: 18px; height: 18px; accent-color: var(--violet); cursor: pointer; }
.tl-time { color: var(--cyan); font-size: 12.5px; white-space: nowrap; }
tr.tl-hit td { background: rgba(52, 211, 153, 0.08); }
tr.tl-miss td { background: rgba(251, 191, 36, 0.08); }
tr.tl-false td { background: rgba(248, 113, 113, 0.08); }

#modal-overlay {
  position: fixed; inset: 0; background: rgba(4, 8, 18, 0.75); display: flex;
  align-items: center; justify-content: center; z-index: 50;
}
#modal-overlay.hidden { display: none; }
#modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  max-width: 640px; width: 92%; max-height: 80vh; overflow: auto; padding: 22px; position: relative;
}
#modal-close {
  position: absolute; top: 10px; right: 12px; background: none; border: 0; color: var(--dim);
  font-size: 22px; cursor: pointer;
}
#modal-close:hover { color: var(--text); }
.fileview { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; font-size: 13px; white-space: pre-wrap; line-height: 1.6; }

@media print {
  body { background: #fff; color: #000; }
  #toolnav, #sidebar, #topbar, button.action, button.ghost { display: none !important; }
  .card { border: 1px solid #ccc; background: #fff; }
}