/* 1202 — a tribute to Margaret Hamilton. Shared styles. */
:root {
  --bg: #121518;
  --bg-2: #181c20;
  --panel: #1f2428;
  --panel-2: #283036;
  --line: #3a434a;
  --ink: #ece7da;
  --muted: #a2aba3;
  --green: #7dff8a;
  --green-ink: #7dff8a;
  --green-dim: #1d3a24;
  --amber: #ffb627;
  --amber-dim: #4a3510;
  --red: #ff6257;
  --red-dim: #4a1916;
  --blue: #7cc4ff;
  --paper: #f3eedc;
  --bar: rgba(125, 255, 138, 0.045);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --font-body: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #f4efe1;
  --bg-2: #ece5d2;
  --panel: #fffaf0;
  --panel-2: #f1ead8;
  --line: #d3c9b0;
  --ink: #1d1f1c;
  --muted: #5a5f57;
  --green: #138a3e;
  --green-ink: #0f6e31;
  --green-dim: #dcefdc;
  --amber: #a85f00;
  --amber-dim: #fbe7c4;
  --red: #b8322a;
  --red-dim: #f8d9d5;
  --blue: #1f5f99;
  --bar: rgba(19, 138, 62, 0.06);
  --shadow: 0 10px 24px rgba(60, 50, 20, 0.12);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: repeating-linear-gradient(180deg, transparent 0 28px, var(--bar) 28px 56px);
}
img, svg { max-width: 100%; }
a { color: var(--green-ink); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 7vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.4rem, 4vw, 2rem); font-weight: 800; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
code, .mono { font-family: var(--font-mono); }
.skip { position: absolute; left: -999px; top: 0; background: var(--green); color: #000; padding: .5em 1em; z-index: 100; }
.skip:focus { left: 8px; top: 8px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1180px; margin: 0 auto; padding: .6rem 1rem;
  display: flex; align-items: center; gap: .75rem; flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: .5rem; text-decoration: none; color: var(--ink);
  font-weight: 800; letter-spacing: .02em;
}
.brand-lamp {
  font-family: var(--font-mono); font-weight: 600; font-size: .85rem;
  background: var(--amber); color: #1a1200; padding: .15rem .45rem; border-radius: 4px;
  box-shadow: 0 0 12px color-mix(in srgb, var(--amber) 60%, transparent);
}
@media (max-width: 420px) { .brand > span:not(.brand-lamp) { display: none; } }
.brand small { color: var(--muted); font-weight: 500; font-size: .8rem; }
.site-nav { display: flex; gap: .15rem; flex-wrap: wrap; margin-left: auto; }
.site-nav a {
  color: var(--muted); text-decoration: none; padding: .4rem .6rem; border-radius: 8px;
  font-size: .92rem; font-weight: 600;
}
.site-nav a:hover { color: var(--ink); background: var(--panel); }
.site-nav a[aria-current="page"] { color: var(--green-ink); background: var(--green-dim); }
.header-tools { display: flex; gap: .4rem; }
.icon-btn {
  border: 1px solid var(--line); background: var(--panel); color: var(--ink);
  border-radius: 10px; min-width: 40px; height: 40px; padding: 0 .7rem; cursor: pointer;
  font: 600 .9rem var(--font-body); display: inline-flex; align-items: center; justify-content: center; gap: .35rem;
}
.icon-btn:hover { border-color: var(--green); }
.nav-toggle { display: none; }
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; width: 100%; order: 3; }
  .site-nav.open { display: flex; }
  .site-nav a { flex: 1 1 30%; text-align: center; }
  .header-tools { margin-left: auto; }
}

/* ---------- layout ---------- */
main { max-width: 1180px; margin: 0 auto; padding: 1.25rem 1rem 3rem; }
.section { margin: 2.5rem 0; }
.lede { font-size: 1.12rem; color: var(--muted); max-width: 62ch; }
.eyebrow {
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--amber); margin-bottom: .5rem; display: block;
}
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem; box-shadow: var(--shadow);
}
.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.muted { color: var(--muted); }
.center { text-align: center; }
.hidden { display: none !important; }

/* ---------- buttons ---------- */
.btn {
  --b: var(--green);
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  font: 700 1rem var(--font-body); letter-spacing: .02em;
  padding: .75rem 1.2rem; border-radius: 12px; cursor: pointer; text-decoration: none;
  border: 2px solid var(--b); background: var(--b); color: #06150a;
  transition: transform .12s ease, box-shadow .12s ease, filter .12s;
  min-height: 44px;
}
:root[data-theme="light"] .btn { color: #fff; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px color-mix(in srgb, var(--b) 35%, transparent); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--b); }
.btn.amber { --b: var(--amber); }
.btn.red { --b: var(--red); }
.btn.small { padding: .45rem .8rem; font-size: .88rem; min-height: 36px; border-radius: 9px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }

/* ---------- hero ---------- */
.hero {
  display: grid; gap: 1.5rem; grid-template-columns: 1.15fr .85fr; align-items: center;
  padding: 1.5rem 0 1rem;
}
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; } }
.hero h1 .alarm-num {
  font-family: var(--font-mono); color: var(--amber);
  text-shadow: 0 0 22px color-mix(in srgb, var(--amber) 55%, transparent);
}
.hero-figure { position: relative; }
.tribute-line {
  border-left: 3px solid var(--amber); padding: .2rem 0 .2rem .8rem; color: var(--muted);
  font-size: .95rem; margin: 1rem 0 1.2rem;
}

/* ---------- 7 segment ---------- */
.seg { display: inline-flex; gap: 2px; vertical-align: middle; }
.seg svg { width: .62em; height: 1em; display: block; overflow: visible; }
.seg .on { fill: var(--green); filter: drop-shadow(0 0 3px color-mix(in srgb, var(--green) 70%, transparent)); }
.seg .off { fill: var(--green); opacity: .07; }
:root[data-theme="light"] .seg .on { filter: none; }

/* ---------- DSKY shared look ---------- */
.dsky {
  background: linear-gradient(180deg, #5c6166, #474c51);
  border-radius: 16px; padding: 12px; box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.2);
  color: #111; max-width: 520px; margin: 0 auto; width: 100%;
  --green: #7dff8a;
}
.dsky-top { display: grid; grid-template-columns: 1fr 1.25fr; gap: 10px; }
.lamps { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; background: #2b2f33; padding: 8px; border-radius: 8px; }
.lamp {
  font: 700 .62rem/1.1 var(--font-mono); text-align: center; padding: 7px 2px; border-radius: 4px;
  background: #4a4e52; color: #2c2f32; letter-spacing: .04em; min-height: 32px;
  display: flex; align-items: center; justify-content: center;
}
.lamp.on { background: #f3f0e6; color: #222; box-shadow: 0 0 10px rgba(255,255,240,.6); }
.lamp.amber.on { background: #ffb627; color: #2a1800; box-shadow: 0 0 12px rgba(255,182,39,.8); }
.lamp.blank { visibility: hidden; }
.el-panel {
  background: #0d0f0d; border-radius: 8px; padding: 8px 10px; font-family: var(--font-mono);
  color: #7dff8a; display: grid; gap: 4px;
}
.el-row { display: flex; justify-content: space-between; align-items: center; gap: 6px; }
.el-label {
  font-size: .55rem; background: #7dff8a; color: #0d0f0d; padding: 1px 4px; border-radius: 2px; font-weight: 700;
  letter-spacing: .06em;
}
.el-label.off { background: #1b2a1d; color: #0d0f0d; }
.el-big { font-size: 1.7rem; line-height: 1; }
.el-reg { font-size: 1.55rem; line-height: 1; text-align: right; letter-spacing: 0; justify-content: flex-end; }
.el-sep { height: 2px; background: #2c6b35; opacity: .8; margin: 2px 0; }
.flash { animation: flash 1s steps(2, start) infinite; }
@keyframes flash { to { visibility: hidden; } }
.keypad {
  display: grid; grid-template-columns: repeat(7, 1fr); gap: 7px; margin-top: 12px;
}
.key {
  font: 800 .78rem var(--font-mono); background: #1d1f21; color: #f1efe8; border: 0; border-radius: 8px;
  aspect-ratio: 1 / 1; cursor: pointer; box-shadow: 0 3px 0 #0a0b0c; display: flex; align-items: center;
  justify-content: center; text-align: center; line-height: 1.05; padding: 0; min-height: 40px;
}
.key:active, .key.pressed { transform: translateY(2px); box-shadow: 0 1px 0 #0a0b0c; }
.key.tall { grid-row: span 2; aspect-ratio: auto; }
.key.wide-word { font-size: .62rem; }

/* ---------- forms ---------- */
input[type="text"], select {
  font: 600 1rem var(--font-mono); padding: .7rem .8rem; border-radius: 10px; border: 2px solid var(--line);
  background: var(--bg-2); color: var(--ink); width: 100%; min-height: 44px;
}
input[type="text"]:focus, select:focus { border-color: var(--green); outline: none; }
label { font-weight: 600; }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%) translateY(140%);
  background: var(--ink); color: var(--bg); padding: .7rem 1.1rem; border-radius: 10px; font-weight: 700;
  z-index: 200; transition: transform .25s ease; max-width: 90vw; text-align: center;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line); padding: 2rem 1rem; text-align: center; color: var(--muted); font-size: .9rem;
}
.site-footer .quote { font-style: italic; max-width: 60ch; margin: 0 auto .8rem; color: var(--ink); }

/* ---------- tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .5rem .55rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--font-mono); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.table-wrap { overflow-x: auto; }

/* ---------- pills/badges ---------- */
.pill {
  display: inline-block; font: 600 .74rem var(--font-mono); padding: .15rem .5rem; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted); letter-spacing: .03em;
}
.pill.green { color: var(--green-ink); border-color: var(--green); background: var(--green-dim); }
.pill.amber { color: var(--amber); border-color: var(--amber); background: var(--amber-dim); }
.pill.red { color: var(--red); border-color: var(--red); background: var(--red-dim); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .flash { animation: none; }
}