/* Flight Whisperer — cockpit / radar HUD theme */

@font-face {
  font-family: "Orbitron";
  src: url("/fonts/orbitron-latin.woff2") format("woff2");
  font-weight: 500 800;
  font-display: swap;
}
@font-face {
  font-family: "Share Tech Mono";
  src: url("/fonts/share-tech-mono-latin.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  --bg: #030806;
  --panel: rgba(8, 28, 18, 0.72);
  --line: rgba(57, 255, 136, 0.28);
  --green: #39ff88;
  --green-dim: #7fc79c;
  --green-faint: rgba(57, 255, 136, 0.08);
  --amber: #ffb547;
  --red: #ff5a5a;
  --text: #d8ffe7;
  --glow: 0 0 6px rgba(57, 255, 136, 0.55);
  --display: "Orbitron", "Arial Black", system-ui, sans-serif;
  --mono: "Share Tech Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }

body {
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(57, 255, 136, 0.10), transparent 60%),
    radial-gradient(ellipse at 50% 120%, rgba(57, 255, 136, 0.06), transparent 50%),
    var(--bg);
  color: var(--text);
  font: 16px/1.55 var(--mono);
  -webkit-font-smoothing: antialiased;
}

/* CRT scanlines + vignette over everything, never blocking input */
.crt {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 10;
  background:
    repeating-linear-gradient(to bottom, rgba(0, 0, 0, 0.22) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.55));
}

.hud {
  max-width: 480px;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 16px max(28px, env(safe-area-inset-bottom));
}

/* ── Status bar ─────────────────────────────────────────────────────────── */

.statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font: 600 0.72rem/1 var(--display);
  letter-spacing: 0.18em;
  color: var(--green);
  text-shadow: var(--glow);
}
.sys { display: inline-flex; align-items: center; gap: 8px; }
.led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: blink 1.6s steps(2, start) infinite;
}
.led.amber { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.led.red { background: var(--red); box-shadow: 0 0 8px var(--red); animation: none; }

/* ── Title ──────────────────────────────────────────────────────────────── */

.title { text-align: center; margin: 22px 0 10px; }
h1 {
  margin: 0;
  font: 800 clamp(1.35rem, 6vw, 1.75rem)/1.1 var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  text-shadow: 0 0 10px rgba(57, 255, 136, 0.6), 0 0 28px rgba(57, 255, 136, 0.25);
}
.tagline { margin: 6px 0 0; color: var(--green-dim); }

/* ── Radar scope ────────────────────────────────────────────────────────── */

.scope-wrap { display: grid; justify-items: center; gap: 12px; margin: 18px 0 20px; }

.scope {
  position: relative;
  width: min(250px, 68vw);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid rgba(57, 255, 136, 0.55);
  background: radial-gradient(circle, rgba(57, 255, 136, 0.10), rgba(3, 8, 6, 0.9) 70%);
  box-shadow: 0 0 24px rgba(57, 255, 136, 0.18), inset 0 0 30px rgba(57, 255, 136, 0.12);
  overflow: hidden;
}
.ring {
  position: absolute;
  border: 1px solid var(--line);
  border-radius: 50%;
  inset: 0;
  margin: auto;
}
.r1 { width: 33%; height: 33%; }
.r2 { width: 66%; height: 66%; }
.r3 { width: 90%; height: 90%; border-style: dashed; border-color: rgba(255, 181, 71, 0.45); }

.axis::before, .axis::after {
  content: "";
  position: absolute;
  background: var(--line);
}
.axis::before { left: 50%; top: 0; bottom: 0; width: 1px; }
.axis::after { top: 50%; left: 0; right: 0; height: 1px; }

.sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(from 0deg, rgba(57, 255, 136, 0.45), rgba(57, 255, 136, 0.08) 40deg, transparent 70deg);
  animation: sweep 4s linear infinite;
}

.target {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border: 2px solid var(--green-dim);
  border-radius: 50%;
  opacity: 0.35;
}
.scope.locked .target,
.scope.armed .target {
  opacity: 1;
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 0 12px var(--green);
}
.scope.locked .target::after,
.scope.armed .target::after {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1px solid var(--green);
  border-radius: 50%;
  animation: ping 1.8s ease-out infinite;
}
.scope.armed .r3 { border-color: var(--amber); box-shadow: 0 0 10px rgba(255, 181, 71, 0.35); }

.tick {
  position: absolute;
  font: 600 0.6rem/1 var(--display);
  letter-spacing: 0.15em;
  white-space: nowrap;
  color: var(--green-dim);
}
.tick.n { top: 6px; left: 50%; transform: translateX(-50%); }
.tick.range { right: 12%; bottom: 17%; color: var(--amber); }

.readout {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 18px;
  margin: 0;
  font-size: 0.85rem;
}
.readout div { display: flex; gap: 6px; }
.readout dt { color: var(--green-dim); }
.readout dd { margin: 0; color: var(--green); text-shadow: var(--glow); }

/* ── Panels with corner brackets ────────────────────────────────────────── */

.panel {
  --c: var(--green);
  position: relative;
  padding: 20px 18px;
  background:
    linear-gradient(var(--c), var(--c)) top left / 16px 2px no-repeat,
    linear-gradient(var(--c), var(--c)) top left / 2px 16px no-repeat,
    linear-gradient(var(--c), var(--c)) top right / 16px 2px no-repeat,
    linear-gradient(var(--c), var(--c)) top right / 2px 16px no-repeat,
    linear-gradient(var(--c), var(--c)) bottom left / 16px 2px no-repeat,
    linear-gradient(var(--c), var(--c)) bottom left / 2px 16px no-repeat,
    linear-gradient(var(--c), var(--c)) bottom right / 16px 2px no-repeat,
    linear-gradient(var(--c), var(--c)) bottom right / 2px 16px no-repeat,
    var(--panel);
  border: 1px solid var(--line);
}
.panel p { margin: 0 0 14px; }

.panel-head {
  margin: 0 0 8px;
  font: 700 0.78rem/1.3 var(--display);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  text-shadow: var(--glow);
}
.panel-head span {
  display: inline-block;
  min-width: 2.2em;
  margin-right: 4px;
  padding: 2px 5px;
  background: var(--green);
  color: var(--bg);
  text-align: center;
  text-shadow: none;
}
.panel-head:not(:first-child) { margin-top: 26px; }

.dim { color: var(--green-dim); }
.small { font-size: 0.85rem; }
strong { color: var(--green); font-weight: normal; text-shadow: var(--glow); }

/* ── Instrument buttons ─────────────────────────────────────────────────── */

.btn {
  --b: var(--green);
  display: block;
  width: 100%;
  padding: 13px 16px;
  border: 2px solid var(--b);
  border-radius: 3px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 60%), rgba(0, 0, 0, 0.35);
  color: var(--b);
  font: 700 0.85rem/1 var(--display);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-shadow: 0 0 6px currentColor;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6), 0 4px 0 rgba(0, 0, 0, 0.55), inset 0 0 12px rgba(57, 255, 136, 0.06);
  cursor: pointer;
  transition: transform 0.06s ease, box-shadow 0.06s ease, background 0.15s ease;
}
.btn:hover:not(:disabled) { background: color-mix(in srgb, var(--b) 14%, rgba(0, 0, 0, 0.35)); }
.btn:active:not(:disabled) { transform: translateY(3px); box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6), 0 1px 0 rgba(0, 0, 0, 0.55); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; text-shadow: none; }
.btn:focus-visible, input:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

.btn-arm { --b: var(--amber); }
.btn-arm:not(:disabled) { animation: pulse 2.2s ease-in-out infinite; }
.btn-abort { --b: var(--red); }
.btn-small { width: auto; flex: none; padding: 0 16px; }

/* ── Manual entry + results ─────────────────────────────────────────────── */

.manual { margin-top: 16px; }
.manual label { display: block; margin-bottom: 6px; letter-spacing: 0.1em; text-transform: uppercase; }
.manual-row { display: flex; gap: 8px; }
input[type="search"] {
  flex: 1;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(0, 0, 0, 0.5);
  color: var(--green);
  font: 1rem var(--mono);
  caret-color: var(--amber);
}
input::placeholder { color: rgba(127, 199, 156, 0.5); text-transform: uppercase; }

.results { list-style: none; margin: 8px 0 0; padding: 0; border: 1px solid var(--line); }
.results li + li { border-top: 1px dashed var(--line); }
.results button {
  width: 100%;
  padding: 10px 12px;
  border: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.results button::before { content: "› "; color: var(--amber); }
.results button:hover, .results button:focus-visible { background: var(--green-faint); color: var(--green); outline: none; }
.results .sub { color: var(--green-dim); font-size: 0.85rem; padding-left: 1.1em; }

.lock {
  margin: 14px 0 0 !important;
  padding: 10px 12px;
  border-left: 3px solid var(--green);
  background: var(--green-faint);
  color: var(--green);
  text-shadow: var(--glow);
}

.checklist { margin: 0 0 14px; padding-left: 0; list-style: none; counter-reset: step; }
.checklist li { counter-increment: step; margin-bottom: 6px; }
.checklist li::before { content: "[" counter(step) "] "; color: var(--amber); }

.actions { display: grid; gap: 12px; margin-top: 18px; }

/* ── Log line + footer ──────────────────────────────────────────────────── */

.log {
  margin: 16px 0 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.45);
  color: var(--green);
}
.log::before { content: "> "; color: var(--amber); }
.log.error { color: var(--red); border-color: rgba(255, 90, 90, 0.45); }

.footer {
  margin-top: 28px;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(127, 199, 156, 0.7);
}
.footer a { color: var(--green-dim); }

.blink-text { animation: blink 1.2s steps(2, start) infinite; }

[hidden] { display: none !important; }

/* ── Animations ─────────────────────────────────────────────────────────── */

@keyframes sweep { to { transform: rotate(360deg); } }
@keyframes blink { to { visibility: hidden; } }
@keyframes ping {
  from { transform: scale(0.6); opacity: 0.9; }
  to { transform: scale(2.4); opacity: 0; }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6), 0 4px 0 rgba(0, 0, 0, 0.55), 0 0 0 rgba(255, 181, 71, 0); }
  50% { box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.6), 0 4px 0 rgba(0, 0, 0, 0.55), 0 0 18px rgba(255, 181, 71, 0.45); }
}

@media (prefers-reduced-motion: reduce) {
  .sweep, .led, .blink-text, .btn-arm, .target::after { animation: none !important; }
  .sweep { background: conic-gradient(from 30deg, rgba(57, 255, 136, 0.25), transparent 50deg); }
}