/* PS1 Browser — mobile-first dark UI */
:root {
  --bg: #0b0d12;
  --bg2: #11141c;
  --panel: #161a24;
  --panel2: #1c2130;
  --line: #262c3d;
  --text: #e8ebf4;
  --muted: #9aa3b8;
  --accent: #6c7bff;
  --accent2: #b06cff;
  --ok: #37d67a;
  --warn: #ffb454;
  --err: #ff5d73;
  --radius: 14px;
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
  --sar: env(safe-area-inset-right, 0px);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(108, 123, 255, .16), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(176, 108, 255, .12), transparent 55%),
    var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  overscroll-behavior-y: none;
  min-height: 100dvh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #0e111a; border: 1px solid var(--line); padding: 1px 5px; border-radius: 6px; font-size: .92em; }
.muted { color: var(--muted); }
.small { font-size: .85em; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: calc(10px + var(--sat)) calc(16px + var(--sar)) 10px calc(16px + var(--sal));
  background: rgba(11, 13, 18, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-logo {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; font-size: 15px;
  box-shadow: 0 4px 18px rgba(108, 123, 255, .45);
}
.brand-text { font-weight: 800; letter-spacing: .3px; font-size: 18px; }
.brand-text em { font-style: normal; color: var(--accent); }
.nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14.5px; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); text-decoration: none; }

main { max-width: 1080px; margin: 0 auto; padding: 0 calc(16px + var(--sar)) 40px calc(16px + var(--sal)); }

/* ---------- hero ---------- */
.hero { padding: 46px 0 8px; text-align: left; }
h1 {
  font-size: clamp(34px, 6.5vw, 58px);
  line-height: 1.06; margin: 0 0 14px; font-weight: 850; letter-spacing: -1px;
}
.grad {
  background: linear-gradient(90deg, var(--accent), var(--accent2) 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sub { color: var(--muted); font-size: clamp(15px, 2.4vw, 18px); max-width: 640px; margin: 0 0 26px; }

.dropzone {
  border: 1.5px dashed #38405a;
  background: linear-gradient(180deg, rgba(28, 33, 48, .75), rgba(22, 26, 36, .75));
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, transform .1s, background .15s;
  outline: none;
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--accent); }
.dropzone.drag { border-color: var(--accent2); background: rgba(108, 123, 255, .12); transform: scale(1.005); }
.dz-icon {
  width: 52px; height: 52px; margin: 0 auto 10px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(108, 123, 255, .16);
  color: var(--accent); font-size: 30px; font-weight: 300;
}
.dz-main { font-size: 17px; }
.dz-hint { color: var(--muted); font-size: 13.5px; margin-top: 8px; line-height: 1.6; }

.status {
  margin-top: 14px; padding: 12px 14px; border-radius: 10px;
  background: var(--panel); border: 1px solid var(--line); font-size: 14.5px;
}
.status.ok { border-color: rgba(55, 214, 122, .5); }
.status.err { border-color: rgba(255, 93, 115, .55); color: #ffd9de; }
.status.info { border-color: rgba(108, 123, 255, .45); }

.toolbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-top: 16px;
}
.quota { margin-left: auto; }

.btn {
  appearance: none; border: 1px solid var(--line); background: var(--panel2);
  color: var(--text); font: inherit; font-size: 14.5px;
  padding: 9px 14px; border-radius: 10px; cursor: pointer;
  transition: border-color .15s, background .15s;
}
.btn:hover { border-color: var(--accent); }
.btn.ghost { background: transparent; }
.btn.danger:hover { border-color: var(--err); color: var(--err); }

/* ---------- library ---------- */
.library-sec { margin-top: 46px; }
.sec-head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
h2 { font-size: 24px; margin: 0; letter-spacing: -.3px; }
.pill {
  background: rgba(108, 123, 255, .16); color: var(--accent);
  border: 1px solid rgba(108, 123, 255, .4);
  font-size: 12.5px; padding: 2px 10px; border-radius: 999px; font-weight: 600;
}
.pill.beta { background: rgba(255, 180, 84, .14); color: var(--warn); border-color: rgba(255, 180, 84, .45); }

.library { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.game-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px;
  display: flex; flex-direction: column; gap: 10px;
  position: relative; overflow: hidden;
}
.game-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  opacity: .8;
}
.game-title { font-weight: 700; font-size: 16px; word-break: break-word; }
.game-meta { color: var(--muted); font-size: 13px; display: flex; gap: 10px; flex-wrap: wrap; }
.game-actions { display: flex; gap: 8px; margin-top: 4px; }
.game-actions .btn { flex: 1; text-align: center; }
.btn.play {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none; color: #fff; font-weight: 700;
}
.btn.play:hover { filter: brightness(1.1); }

.empty { color: var(--muted); background: var(--panel); border: 1px dashed var(--line);
  padding: 26px; border-radius: var(--radius); text-align: center; }

/* ---------- info sections ---------- */
.info { margin-top: 56px; }
.info h2 { margin-bottom: 16px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px;
}
.card h3 { margin: 0 0 8px; font-size: 16.5px; }
.card p { margin: 0; color: #c6ccdc; font-size: 14.5px; }
.keys { width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 8px; }
.keys td { padding: 5px 6px; border-bottom: 1px solid var(--line); }
.keys td:first-child { color: var(--muted); }
.keys td:last-child { text-align: right; font-family: ui-monospace, Consolas, monospace; color: var(--text); }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--line);
  margin-top: 60px; padding: 26px calc(16px + var(--sar)) calc(30px + var(--sab)) calc(16px + var(--sal));
  color: var(--muted); font-size: 13.5px; text-align: center;
}
.footer p { max-width: 780px; margin: 8px auto; }

/* ---------- play page ---------- */
.play-body { background: #000; overflow: hidden; }
.play-wrap { position: fixed; inset: 0; display: flex; flex-direction: column; }
.play-back {
  position: fixed; top: calc(8px + var(--sat)); left: calc(8px + var(--sal)); z-index: 9999;
  background: rgba(11, 13, 18, .78); color: var(--text);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 8px 13px; font-size: 14.5px; backdrop-filter: blur(6px);
}
.play-back:hover { text-decoration: none; border-color: var(--accent); }
#game { position: absolute; inset: 0; }
.play-error {
  position: fixed; inset: 0; display: grid; place-items: center;
  background: var(--bg); color: var(--text); text-align: center; padding: 24px; z-index: 100;
}
.play-error .box { max-width: 460px; }
/* `hidden` must beat the display:grid above */
.play-error[hidden] { display: none !important; }
.boot {
  position: absolute; inset: 0; z-index: 5;
  display: grid; place-items: center;
  background: #000; color: var(--muted);
  font-size: 15px; letter-spacing: .4px;
  pointer-events: none;
}
.boot::after {
  content: ""; width: 26px; height: 26px; margin-left: 12px;
  border: 3px solid #2a3048; border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  position: absolute; transform: translateX(90px);
}
@keyframes spin { to { transform: translateX(90px) rotate(360deg); } }