:root {
  --bg: #060906;
  --panel: #0c120c;
  --green: #00ff66;
  --green-dim: #0a6e30;
  --amber: #ffb000;
  --red: #ff4d4d;
  --line: #123018;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
  --disp: 'Bricolage Grotesque', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 20% 0%, #0d1a10 0%, transparent 55%),
    radial-gradient(circle at 90% 100%, #14100a 0%, transparent 50%),
    var(--bg);
  color: var(--green);
  font-family: var(--mono);
  min-height: 100vh;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px 60px;
}

/* Header */
.hdr {
  position: relative;
  text-align: center;
  padding: 46px 12px 30px;
  overflow: hidden;
}
.scanlines {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, rgba(0,255,102,0.04) 0 1px, transparent 1px 3px);
  pointer-events: none;
  animation: flick 4s infinite steps(60);
}
@keyframes flick { 0%,97%{opacity:1;} 98%{opacity:.85;} 100%{opacity:1;} }

.title {
  font-family: var(--disp);
  font-weight: 800;
  font-size: clamp(28px, 6vw, 52px);
  margin: 0;
  color: var(--green);
  text-shadow: 0 0 18px rgba(0,255,102,.45);
  letter-spacing: -1px;
}
.cursor { animation: blink 1s steps(2) infinite; margin-left: 4px; color: var(--amber); }
@keyframes blink { 50% { opacity: 0; } }

.subtitle {
  font-weight: 300;
  color: var(--green-dim);
  color: #4fd48a;
  margin: 8px 0 0;
  font-size: 14px;
  letter-spacing: 1px;
}

.disclaimer {
  border: 1px solid #4a3500;
  background: rgba(255,176,0,.06);
  color: var(--amber);
  font-size: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  margin: 4px 0 20px;
  line-height: 1.5;
}
.disclaimer b { color: #ffd77a; }

/* Modes */
.modes {
  display: flex;
  gap: 8px;
  background: var(--panel);
  padding: 6px;
  border-radius: 12px;
  border: 1px solid var(--line);
  margin-bottom: 18px;
}
.mode-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: #6fae86;
  font-family: var(--mono);
  font-size: 15px;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: all .18s;
}
.mode-btn.on {
  background: rgba(0,255,102,.12);
  color: var(--green);
  box-shadow: inset 0 0 0 1px var(--green-dim), 0 0 16px rgba(0,255,102,.15);
}
.mode-btn:hover:not(.on) { color: var(--green); }

/* Panel */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 18px;
}
.hint { color: #5f9d78; font-size: 13px; margin: 0 0 14px; line-height: 1.5; }

.input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .input-grid { grid-template-columns: 1fr; } }

.in-col { display: flex; flex-direction: column; }
.in-lbl { color: var(--amber); font-size: 13px; margin-bottom: 6px; }

.term-area {
  background: #030503;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--green);
  font-family: var(--mono);
  font-size: 13px;
  padding: 12px;
  min-height: 96px;
  resize: vertical;
  outline: none;
  width: 100%;
}
.term-area.tall { min-height: 120px; }
.term-area:focus { border-color: var(--green-dim); box-shadow: 0 0 14px rgba(0,255,102,.12); }
.term-area:disabled { color: var(--amber); font-style: italic; }

.file-row { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.file-row input[type=file] { font-size: 11px; color: #5f9d78; max-width: 100%; }

.mini {
  background: transparent;
  border: 1px solid var(--green-dim);
  color: var(--green);
  font-family: var(--mono);
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
}
.mini:hover { background: rgba(0,255,102,.1); }

/* Compare */
.compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 14px;
  margin: 18px 0;
  transition: all .3s;
}
@media (max-width: 640px) {
  .compare { grid-template-columns: 1fr; }
  .eq { justify-self: center; }
}
.compare.matched { animation: pulseGlow 1.1s ease; }
@keyframes pulseGlow {
  0% { transform: scale(1); }
  40% { transform: scale(1.02); filter: drop-shadow(0 0 20px rgba(0,255,102,.6)); }
  100% { transform: scale(1); }
}

.hash-card {
  background: #030503;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
}
.hc-label { color: var(--amber); font-size: 12px; margin-bottom: 6px; }
.hc-name { color: var(--green); font-size: 13px; word-break: break-all; }
.hc-size { color: #4a7a5c; font-size: 11px; margin-bottom: 8px; }
.hc-hash { font-size: 13px; word-break: break-all; line-height: 1.6; }
.hx { color: #3d6b4e; }
.hx.match { color: var(--green); text-shadow: 0 0 6px rgba(0,255,102,.5); }
.hx.dim { color: #2a4a35; font-style: italic; }

.eq {
  font-family: var(--disp);
  font-weight: 800;
  font-size: 40px;
  text-align: center;
}
.eq.yes { color: var(--green); text-shadow: 0 0 20px rgba(0,255,102,.6); }
.eq.no { color: #6b3a3a; }

/* Banner */
.banner {
  border-radius: 10px;
  padding: 14px;
  font-size: 14px;
  text-align: center;
  margin-top: 6px;
}
.banner.win {
  background: rgba(0,255,102,.1);
  color: var(--green);
  border: 1px solid var(--green-dim);
  box-shadow: 0 0 22px rgba(0,255,102,.2);
}
.banner.lose {
  background: rgba(255,77,77,.06);
  color: #ff8a8a;
  border: 1px solid #5a2020;
}

/* Buttons */
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 12px; }
.forge-btn {
  background: linear-gradient(180deg, #00ff66, #00b347);
  color: #03150a;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 15px;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(0,255,102,.3);
  transition: transform .12s;
}
.forge-btn:hover:not(:disabled) { transform: translateY(-1px); }
.forge-btn:disabled { opacity: .7; cursor: wait; background: #0a3a20; color: var(--green); }

.dl-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 6px 0; }
.dl {
  background: transparent;
  border: 1px solid var(--green-dim);
  color: var(--green);
  font-family: var(--mono);
  font-size: 13px;
  padding: 9px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all .15s;
}
.dl:hover { background: rgba(0,255,102,.12); box-shadow: 0 0 12px rgba(0,255,102,.2); }

.verify-tip { color: #5f9d78; font-size: 12px; line-height: 1.6; margin-top: 8px; }
.verify-tip code { color: var(--amber); background: #030503; padding: 1px 5px; border-radius: 4px; }

/* Accordion */
.acc {
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--panel);
}
.acc-btn {
  width: 100%;
  background: transparent;
  border: none;
  color: var(--green);
  font-family: var(--mono);
  font-size: 14px;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}
.acc-btn:hover { background: rgba(0,255,102,.05); }
.acc-arrow { color: var(--amber); }
.acc-body { padding: 4px 18px 18px; color: #a8d8bc; font-size: 13px; line-height: 1.65; }
.acc-body b { color: var(--green); }
.acc-body i { color: var(--amber); font-style: normal; }
.cheeky { color: var(--amber) !important; font-style: italic; }

/* Hex dump */
.hexdump {
  background: #030503;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  font-size: 12px;
  overflow-x: auto;
}
.hex-row { white-space: nowrap; line-height: 1.7; }
.hex-off { color: var(--amber); margin-right: 12px; }
.byte { color: #3d6b4e; margin-right: 5px; }
.byte.diff { color: var(--red); text-shadow: 0 0 6px rgba(255,77,77,.5); font-weight: 700; }
.hex-more { color: #4a7a5c; margin-top: 8px; font-style: italic; }

/* Rap sheet */
.rap { width: 100%; border-collapse: collapse; }
.rap td { padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
.rap-yr { color: var(--amber); font-weight: 700; white-space: nowrap; width: 70px; }

/* Footer */
.ftr {
  text-align: center;
  color: #4a7a5c;
  font-size: 12px;
  padding-top: 20px;
  line-height: 1.8;
}
.remix a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px dashed var(--green-dim);
}
.remix a:hover { text-shadow: 0 0 8px rgba(0,255,102,.5); }