/* PPC "The Tally" — LSO Trapsheet Analyzer. Brand palette mirrors the trapsheet. */
:root {
  --ink: #0C0C0F;
  --panel: #12121A;
  --panel-2: #171720;
  --line: #23232E;
  --volt: #FFDD00;
  --purple: #9D6BFF;
  --green: #35EC6B;
  --red: #FF6B6B;
  --grey: #5A5A66;
  --white: #E8E8EE;
  --muted: #9A9AA6;
  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }   /* the hidden attr must win over .spin/.picked display */
html, body { margin: 0; }
body {
  background:
    radial-gradient(1100px 540px at 50% -8%, #16161f 0%, rgba(22,22,31,0) 60%),
    var(--ink);
  color: var(--white);
  font-family: var(--sans);
  line-height: 1.5;
  min-height: 100vh;
}
.wrap { max-width: 880px; margin: 0 auto; padding: 56px 22px 40px; }

/* ---------- hero ---------- */
.hero { text-align: center; margin-bottom: 30px; }
.hero.compact { margin-bottom: 18px; }
.brand {
  font-family: var(--mono);
  color: var(--green);
  font-weight: 700;
  letter-spacing: .18em;
  font-size: 13px;
  text-shadow: 0 0 18px rgba(53,236,107,.35);
}
.hero h1 {
  font-family: var(--mono);
  font-size: clamp(28px, 5vw, 44px);
  margin: 8px 0 12px;
  letter-spacing: -.01em;
}
.lede { color: var(--muted); max-width: 60ch; margin: 0 auto; font-size: 15px; }
.lede strong { color: var(--white); }
code {
  font-family: var(--mono);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 6px;
  font-size: .9em;
  color: var(--volt);
}

/* ---------- upload card ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 18px 50px -28px rgba(0,0,0,.8);
}
.drop { display: flex; flex-direction: column; gap: 14px; }
.zone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; text-align: center;
  border: 2px dashed #2c2c3a;
  border-radius: 12px;
  padding: 46px 20px;
  cursor: pointer;
  transition: border-color .15s, background .15s, transform .05s;
  background: linear-gradient(180deg, rgba(157,107,255,.03), rgba(157,107,255,0));
}
.zone:hover { border-color: var(--purple); }
.zone.over { border-color: var(--green); background: rgba(53,236,107,.06); transform: translateY(-1px); }
.zone-icon { font-size: 30px; filter: grayscale(.2); transform: rotate(-12deg); }
.zone-title { font-family: var(--mono); font-size: 17px; }
.zone-sub { color: var(--muted); font-size: 13px; }
.link { color: var(--purple); text-decoration: underline; }
.picked {
  margin-top: 8px; font-family: var(--mono); font-size: 13px; color: var(--green);
  background: rgba(53,236,107,.08); border: 1px solid rgba(53,236,107,.25);
  border-radius: 7px; padding: 6px 12px; max-width: 100%; overflow: hidden; text-overflow: ellipsis;
}
.go {
  align-self: stretch;
  font-family: var(--mono); font-weight: 700; font-size: 15px; letter-spacing: .04em;
  color: var(--ink); background: var(--volt);
  border: none; border-radius: 10px; padding: 13px; cursor: pointer;
  transition: filter .15s, opacity .15s;
}
.go:hover:not(:disabled) { filter: brightness(1.06); }
.go:disabled { opacity: .4; cursor: not-allowed; }
.spin {
  display: inline-block; width: 13px; height: 13px; margin-left: 9px; vertical-align: -1px;
  border: 2px solid rgba(12,12,15,.35); border-top-color: var(--ink);
  border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- how-it-works ---------- */
.how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 26px 0 8px; }
.step { display: flex; gap: 11px; align-items: flex-start; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px; font-size: 13.5px; color: var(--muted); }
.step b { color: var(--white); }
.k { font-family: var(--mono); font-weight: 700; width: 26px; height: 26px; flex: 0 0 26px; display: grid; place-items: center; border-radius: 7px; background: var(--panel-2); border: 1px solid var(--line); }
.k.green { color: var(--green); } .k.purple { color: var(--purple); } .k.volt { color: var(--volt); }

/* ---------- warnings ---------- */
.warns { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.warn {
  background: rgba(255,107,107,.09); border: 1px solid rgba(255,107,107,.35);
  color: #ffd9d9; border-radius: 10px; padding: 12px 14px; font-size: 14px;
}

/* ---------- results ---------- */
.file { display: flex; gap: 10px; align-items: center; justify-content: center; flex-wrap: wrap; }
.fname { font-family: var(--mono); color: var(--white); }
.src { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); }
.src-host { color: var(--green); border-color: rgba(53,236,107,.4); background: rgba(53,236,107,.08); }
.src-client { color: var(--red); border-color: rgba(255,107,107,.4); background: rgba(255,107,107,.08); }
.src-unknown { color: var(--muted); }

.grades { display: flex; flex-direction: column; gap: 12px; }
.row {
  display: grid; grid-template-columns: 78px 1fr 96px; gap: 16px; align-items: center;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px;
  transition: border-color .15s;
}
.row:hover { border-color: #2f2f3d; }
.grade-pill {
  font-family: var(--mono); font-weight: 700; font-size: 18px; text-align: center;
  border-radius: 10px; padding: 12px 4px; border: 2px solid; background: var(--panel-2);
}
.grade-pill.green { color: var(--green); border-color: rgba(53,236,107,.55); }
.grade-pill.volt  { color: var(--volt);  border-color: rgba(255,221,0,.5); }
.grade-pill.red   { color: var(--red);   border-color: rgba(255,107,107,.55); }
.grade-pill.grey  { color: var(--muted); border-color: var(--line); }

.meta { min-width: 0; }
.line1 { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pilot { font-weight: 600; font-size: 16px; }
.kind { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; padding: 2px 7px; border-radius: 999px; }
.kind-carrier { color: var(--volt); background: rgba(255,221,0,.1); }
.kind-airfield { color: var(--purple); background: rgba(157,107,255,.12); }
.flag { font-family: var(--mono); font-size: 10px; color: var(--green); background: rgba(53,236,107,.1); border-radius: 999px; padding: 2px 7px; text-transform: uppercase; letter-spacing: .05em; }
.line2 { color: var(--muted); font-size: 13px; margin-top: 3px; display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.acft { color: #c7c7d2; }
.sep { color: #3a3a46; }
.dev { font-family: var(--mono); font-size: 11.5px; color: #8a8a96; width: 100%; }

.thumb { display: block; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); line-height: 0; transition: border-color .15s, transform .05s; }
.thumb:hover { border-color: var(--purple); transform: translateY(-1px); }
.thumb img { width: 100%; height: auto; display: block; }

/* ---------- empty / actions / footer ---------- */
.empty { text-align: center; padding: 38px 22px; color: var(--muted); }
.empty-big { font-family: var(--mono); font-size: 18px; color: var(--white); margin-bottom: 8px; }
.actions { margin-top: 22px; text-align: center; }
.back { font-family: var(--mono); color: var(--purple); text-decoration: none; font-size: 14px; }
.back:hover { text-decoration: underline; }

/* ---------- share ---------- */
.share { margin: 0 auto 18px; max-width: 560px; }
.share-btn {
  display: inline-block; text-decoration: none;
  font-family: var(--mono); font-weight: 700; font-size: 14px; letter-spacing: .03em;
  color: var(--ink); background: var(--green);
  border: none; border-radius: 10px; padding: 11px 20px; cursor: pointer;
  transition: filter .15s;
}
.share-btn:hover { filter: brightness(1.07); }
.share-hint { color: var(--muted); font-size: 12.5px; margin-top: 9px; max-width: 46ch; margin-inline: auto; }
.is-shared {
  background: rgba(53,236,107,.07); border: 1px solid rgba(53,236,107,.3);
  border-radius: 12px; padding: 14px;
}
.share-label { font-family: var(--mono); font-size: 13px; color: var(--green); margin-bottom: 10px; }
.tick { font-weight: 700; }
.share-row { display: flex; gap: 8px; }
.share-url {
  flex: 1 1 auto; min-width: 0; font-family: var(--mono); font-size: 13px;
  color: var(--white); background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 8px; padding: 9px 11px;
}
.copy {
  flex: 0 0 auto; font-family: var(--mono); font-weight: 700; font-size: 13px;
  color: var(--ink); background: var(--volt); border: none; border-radius: 8px;
  padding: 9px 16px; cursor: pointer; transition: filter .15s;
}
.copy:hover { filter: brightness(1.06); }

/* ---------- grading guide ---------- */
.cribcard { padding: 12px; }
.crib-scroll { overflow-x: auto; border-radius: 10px; -webkit-overflow-scrolling: touch; }
.crib { display: block; width: 100%; height: auto; min-width: 640px; border-radius: 10px; }
.crib-actions { margin-top: 12px; text-align: center; }
.guide-link { font-family: var(--mono); color: var(--purple); text-decoration: none; font-size: 13px; }
.guide-link:hover { text-decoration: underline; }
.foot { text-align: center; color: #4a4a56; font-family: var(--mono); font-size: 12px; margin-top: 34px; }

@media (max-width: 620px) {
  .how { grid-template-columns: 1fr; }
  .row { grid-template-columns: 64px 1fr; }
  .thumb { grid-column: 1 / -1; }
}