/* WorldSign — display shell.
   Dark, high-contrast, oversized type. Everything the operator has to read at a
   glance (verdicts, similarity, accusations) is set large; supporting numbers
   are set in a monospace column so they line up down the page. */

:root {
  --bg: #04060c;
  --bg-2: #080d18;
  --panel: #0b1220;
  --panel-2: #0e1626;
  --line: #1c2b45;
  --line-hot: #2a4a75;
  --ink: #e8f3ff;
  --ink-dim: #8fa8c8;
  --ink-faint: #5b7396;
  --cyan: #22e8ff;
  --magenta: #ff2d95;
  --violet: #9d6bff;
  --green: #35ffa4;
  --amber: #ffc44d;
  --red: #ff4d5e;
  --mono: ui-monospace, "JetBrains Mono", "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ambient grid + glow, purely decorative */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(900px 500px at 12% -10%, rgba(34, 232, 255, 0.13), transparent 60%),
    radial-gradient(800px 500px at 92% 8%, rgba(255, 45, 149, 0.11), transparent 60%),
    linear-gradient(transparent 96%, rgba(34, 232, 255, 0.05) 100%) 0 0 / 100% 46px,
    linear-gradient(90deg, transparent 96%, rgba(34, 232, 255, 0.04) 100%) 0 0 / 46px 100%;
}

.wrap { position: relative; z-index: 1; max-width: 1180px; margin: 0 auto; padding: 0 24px 96px; }

/* ---------------------------------------------------------------- header */

header { padding: 44px 0 30px; }

.brand { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }

.mark {
  width: 62px; height: 62px; flex: none;
  border: 2px solid var(--cyan);
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 30px; font-weight: 700;
  color: var(--cyan);
  box-shadow: 0 0 24px rgba(34, 232, 255, 0.35), inset 0 0 24px rgba(34, 232, 255, 0.12);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

h1 {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(2.4rem, 6vw, 4.1rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  text-transform: uppercase;
}
h1 span { color: var(--cyan); text-shadow: 0 0 30px rgba(34, 232, 255, 0.5); }

.tagline {
  margin: 14px 0 0;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--ink-dim);
  max-width: 62ch;
}

.statusbar {
  margin-top: 26px;
  display: flex; flex-wrap: wrap; gap: 10px 28px;
  padding: 14px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 18, 32, 0.9), rgba(8, 13, 24, 0.9));
  font-family: var(--mono); font-size: 0.86rem;
  color: var(--ink-dim);
}
.statusbar b { color: var(--cyan); font-weight: 600; }
.statusbar .key { color: var(--violet); word-break: break-all; }

/* ----------------------------------------------------------------- tabs */

nav { display: flex; gap: 0; margin: 40px 0 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }

.tab {
  appearance: none; background: none; border: 0;
  border-bottom: 3px solid transparent;
  color: var(--ink-dim);
  font-family: var(--mono);
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 16px 26px;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.tab:hover { color: var(--ink); background: rgba(34, 232, 255, 0.05); }
.tab[aria-selected="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: rgba(34, 232, 255, 0.07);
  text-shadow: 0 0 18px rgba(34, 232, 255, 0.5);
}

section[hidden] { display: none; }
section { padding-top: 38px; }

.lead { font-size: 1.2rem; color: var(--ink-dim); max-width: 72ch; margin: 0 0 30px; }

/* ---------------------------------------------------------------- panels */

.panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  padding: 28px;
  margin-bottom: 22px;
}

h2 {
  font-family: var(--mono);
  font-size: 1.05rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--cyan); margin: 0 0 20px; font-weight: 600;
}

/* ------------------------------------------------------------- dropzones */

.drop {
  border: 2px dashed var(--line-hot);
  background: rgba(34, 232, 255, 0.03);
  padding: 44px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .1s;
}
.drop:hover, .drop.over { border-color: var(--cyan); background: rgba(34, 232, 255, 0.09); }
.drop.over { transform: scale(1.01); }
.drop.filled { border-style: solid; border-color: var(--green); background: rgba(53, 255, 164, 0.06); }
.drop .big {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  font-weight: 600; color: var(--ink);
  word-break: break-all;
}
.drop .small { display: block; margin-top: 10px; color: var(--ink-dim); font-size: 1rem; }
.drop.filled .big { color: var(--green); }
.drop input { display: none; }

/* ----------------------------------------------------------------- forms */

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

label { display: block; }
.lab {
  display: block;
  font-family: var(--mono); font-size: 0.82rem; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--ink-dim); margin-bottom: 8px;
}
.hint { display: block; margin-top: 7px; font-size: 0.9rem; color: var(--ink-dim); line-height: 1.5; }

input[type="text"], input[type="password"] {
  width: 100%;
  background: #05090f;
  border: 1px solid var(--line-hot);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 1.1rem;
  padding: 14px 15px;
}
input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 232, 255, 0.15);
}

button.go {
  appearance: none; cursor: pointer;
  margin-top: 26px;
  width: 100%;
  padding: 20px 24px;
  border: 2px solid var(--cyan);
  background: rgba(34, 232, 255, 0.1);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: clamp(1.1rem, 2.4vw, 1.4rem);
  font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  transition: background .15s, color .15s, box-shadow .15s;
}
button.go:hover:not(:disabled) {
  background: var(--cyan); color: #04060c;
  box-shadow: 0 0 40px rgba(34, 232, 255, 0.45);
}
button.go.alt { border-color: var(--magenta); color: var(--magenta); background: rgba(255, 45, 149, 0.1); }
button.go.alt:hover:not(:disabled) { background: var(--magenta); color: #fff; box-shadow: 0 0 40px rgba(255, 45, 149, 0.45); }
button.go:disabled { opacity: 0.45; cursor: not-allowed; }

a.dl {
  display: inline-block; margin-top: 18px;
  padding: 18px 30px;
  border: 2px solid var(--green); color: var(--green);
  background: rgba(53, 255, 164, 0.1);
  font-family: var(--mono); font-size: 1.15rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none;
}
a.dl:hover { background: var(--green); color: #04060c; box-shadow: 0 0 40px rgba(53, 255, 164, 0.4); }

/* --------------------------------------------------------------- results */

.verdict {
  border: 2px solid var(--line-hot);
  border-left-width: 10px;
  background: var(--panel);
  padding: 30px;
  margin-bottom: 22px;
}
.verdict .tag {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 4.2vw, 2.6rem);
  font-weight: 700; letter-spacing: -0.01em; line-height: 1.12;
  text-transform: uppercase;
  margin: 0;
}
.verdict .say { margin: 14px 0 0; font-size: clamp(1.1rem, 2.4vw, 1.35rem); color: var(--ink); }
.verdict.good { border-color: var(--green); }
.verdict.good .tag { color: var(--green); text-shadow: 0 0 26px rgba(53, 255, 164, 0.45); }
.verdict.warn { border-color: var(--amber); }
.verdict.warn .tag { color: var(--amber); text-shadow: 0 0 26px rgba(255, 196, 77, 0.4); }
.verdict.bad { border-color: var(--red); }
.verdict.bad .tag { color: var(--red); text-shadow: 0 0 26px rgba(255, 77, 94, 0.45); }
.verdict.cold { border-color: var(--line-hot); }
.verdict.cold .tag { color: var(--ink-dim); }

.rows { display: grid; gap: 0; font-family: var(--mono); font-size: 1rem; }
.row {
  display: grid; grid-template-columns: minmax(170px, 250px) 1fr;
  gap: 18px; padding: 12px 0; border-top: 1px solid var(--line);
}
.row:first-child { border-top: 0; }
.row dt { color: var(--ink-dim); letter-spacing: 0.05em; }
.row dd { margin: 0; color: var(--ink); word-break: break-word; }
.row dd.big { font-size: 1.25rem; font-weight: 600; }
.ok { color: var(--green); }
.no { color: var(--red); }
.mid { color: var(--amber); }

.meter { height: 12px; background: #05090f; border: 1px solid var(--line-hot); margin-top: 8px; }
.meter i { display: block; height: 100%; background: linear-gradient(90deg, var(--cyan), var(--magenta)); }

.note {
  border-left: 4px solid var(--amber);
  background: rgba(255, 196, 77, 0.07);
  padding: 14px 18px; margin: 12px 0;
  font-size: 1.02rem;
}
.note.err { border-color: var(--red); background: rgba(255, 77, 94, 0.09); }
.note.ok { border-color: var(--green); background: rgba(53, 255, 164, 0.07); }

.accuse {
  border: 2px solid var(--red);
  background: rgba(255, 77, 94, 0.09);
  padding: 22px; margin-top: 16px;
}
.accuse h3 {
  margin: 0 0 12px; font-family: var(--mono); color: var(--red);
  font-size: clamp(1.2rem, 3vw, 1.6rem); text-transform: uppercase; letter-spacing: 0.06em;
}

table { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 0.98rem; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); }
th { color: var(--ink-dim); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.8rem; }

.spin { display: inline-block; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0.25; } }

footer {
  margin-top: 70px; padding-top: 26px; border-top: 1px solid var(--line);
  color: var(--ink-dim); font-size: 0.95rem;
}
footer code { color: var(--violet); font-family: var(--mono); }

@media (max-width: 640px) {
  .wrap { padding: 0 16px 64px; }
  .panel, .verdict { padding: 20px; }
  .row { grid-template-columns: 1fr; gap: 4px; }
  .tab { padding: 14px 16px; }
}

/* Footer credit line. Sits above the technical footer note and reads as
   attribution rather than as fine print. */
footer .credit {
  color: var(--ink);
  font-weight: 600;
  letter-spacing: .01em;
  margin-bottom: 10px;
}