/* ============================================================
   BQA-OS — 90s pixel-art RTS design system
   Shared by the demo pages (upload flow, agent map).
   No build step, no framework. Works opened from file://.
   ============================================================ */

@import url("https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap");

:root {
  /* Limited "strategy game" palette ------------------------- */
  --stone-900: #14110d;
  --stone-800: #221c14;
  --stone-700: #322819;
  --stone-600: #4a3c25;
  --stone-500: #6b5733;
  --parchment: #e9d9b0;
  --parchment-dim: #c9b888;
  --gold: #f2c14e;
  --gold-deep: #b07c1e;
  --blood: #c0392b;
  --forest: #4a7a3a;
  --forest-bright: #7bc45a;
  --sky: #4a78b5;
  --sky-bright: #6fb3e0;
  --mana: #8e6fc4;
  --bone: #f4eddc;

  /* Faction / state accents -------------------------------- */
  --c-owner: var(--gold);
  --c-architect: var(--sky-bright);
  --c-developer: var(--forest-bright);
  --c-qa: var(--mana);
  --c-reviewer: var(--blood);

  --bevel-light: #6b5733;
  --bevel-dark: #0c0a07;

  --font-display: "Press Start 2P", monospace;
  --font-body: "VT323", "Courier New", monospace;

  --px: 3px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 19px;
  line-height: 1.4;
  color: var(--parchment);
  background-color: var(--stone-900);
  /* Tiled checker "dither" terrain + radial vignette */
  background-image:
    radial-gradient(circle at 50% 0%, rgba(242,193,78,.10), transparent 60%),
    repeating-linear-gradient(45deg, rgba(255,255,255,.018) 0 2px, transparent 2px 4px),
    repeating-linear-gradient(-45deg, rgba(0,0,0,.22) 0 2px, transparent 2px 4px);
  image-rendering: pixelated;
  -webkit-font-smoothing: none;
  font-smooth: never;
}

/* CRT scanline + flicker overlay -------------------------- */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background:
    repeating-linear-gradient(0deg, rgba(0,0,0,.16) 0 1px, transparent 1px 3px),
    radial-gradient(circle at 50% 50%, transparent 60%, rgba(0,0,0,.45) 100%);
  mix-blend-mode: multiply;
}

img, canvas, .pixel { image-rendering: pixelated; }

/* Typography ---------------------------------------------- */
/* Press Start 2P only for the big H1 (it's hard to read small);
   everything else uses the very legible VT323 pixel font, larger. */
h1, .display {
  font-family: var(--font-display);
  color: var(--gold);
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: .5px;
  text-shadow: var(--px) var(--px) 0 var(--bevel-dark);
  margin: 0 0 .6em;
}
h2, h3 {
  font-family: var(--font-body);
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 .5em;
  font-weight: 700;
}
h1 { font-size: clamp(16px, 2.7vw, 24px); }
h2 { font-size: clamp(20px, 2.4vw, 26px); }
h3 { font-size: 19px; color: var(--parchment); }

a { color: var(--gold); text-decoration: none; }
a:hover { color: var(--bone); text-decoration: underline; }

p { margin: 0 0 .8em; color: var(--parchment-dim); }

.eyebrow {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--forest-bright);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* Layout -------------------------------------------------- */
.wrap { max-width: 1100px; margin: 0 auto; padding: 28px 18px 80px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .sigil {
  width: 32px; height: 32px;
  background:
    conic-gradient(from 45deg, var(--gold), var(--gold-deep), var(--gold));
  box-shadow: inset -3px -3px 0 var(--bevel-dark), inset 3px 3px 0 #ffe9a8;
}
.brand b { font-family: var(--font-display); font-size: 11px; color: var(--bone); }
.nav { display: flex; gap: 6px; flex-wrap: wrap; }

/* Beveled "panel" — the core RTS UI surface --------------- */
.panel {
  position: relative;
  background:
    linear-gradient(180deg, var(--stone-700), var(--stone-800));
  border: var(--px) solid var(--stone-900);
  box-shadow:
    inset 3px 3px 0 var(--bevel-light),
    inset -3px -3px 0 var(--bevel-dark),
    6px 6px 0 rgba(0,0,0,.5);
  padding: 18px;
}
.panel + .panel { margin-top: 22px; }
.panel-title {
  font-family: var(--font-body);
  font-size: 19px; font-weight: 700;
  color: var(--gold);
  text-transform: uppercase; letter-spacing: 1px;
  border-bottom: var(--px) solid var(--stone-600);
  padding-bottom: 8px;
  margin: -2px 0 12px;
  display: flex; align-items: center; gap: 8px;
}

/* Buttons ------------------------------------------------- */
.btn {
  font-family: var(--font-body);
  font-size: 17px; font-weight: 700; letter-spacing: .5px;
  color: var(--stone-900);
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-deep) 100%);
  border: none;
  padding: 10px 14px;
  cursor: pointer;
  text-transform: uppercase;
  box-shadow: inset 2px 2px 0 #ffe9a8, inset -2px -2px 0 var(--bevel-dark), 3px 3px 0 var(--bevel-dark);
  transition: transform .04s steps(1);
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translate(3px, 3px); box-shadow: inset 2px 2px 0 #ffe9a8, inset -2px -2px 0 var(--bevel-dark); }
.btn.secondary {
  color: var(--parchment);
  background: linear-gradient(180deg, var(--stone-600), var(--stone-700));
  box-shadow: inset 2px 2px 0 var(--bevel-light), inset -2px -2px 0 var(--bevel-dark), 3px 3px 0 var(--bevel-dark);
}
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

/* Pixel chips / badges ------------------------------------ */
.chip {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 14px; letter-spacing: .5px;
  padding: 3px 7px;
  color: var(--stone-900);
  background: var(--parchment-dim);
  box-shadow: inset -2px -2px 0 rgba(0,0,0,.35);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* HP-style stat bar --------------------------------------- */
.bar {
  height: 16px;
  background: var(--stone-900);
  box-shadow: inset 2px 2px 0 var(--bevel-dark);
  overflow: hidden;
}
.bar > span {
  display: block; height: 100%;
  background: repeating-linear-gradient(90deg, var(--forest-bright) 0 6px, var(--forest) 6px 8px);
  transition: width .5s steps(12);
}

footer.foot {
  margin-top: 40px;
  font-size: 15px;
  color: var(--stone-500);
  text-align: center;
}

/* Utility ------------------------------------------------- */
.grid { display: grid; gap: 16px; }
.muted { color: var(--stone-500); }
.center { text-align: center; }
.scroll { max-height: 320px; overflow: auto; }
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: var(--stone-900); }
::-webkit-scrollbar-thumb { background: var(--stone-600); box-shadow: inset 2px 2px 0 var(--bevel-light), inset -2px -2px 0 var(--bevel-dark); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}