:root {
  --bg: #0d0d12;
  --bg-soft: #15151d;
  --card: #1b1b25;
  --card-hi: #23232f;
  --text: #f3f3f7;
  --muted: #9a9aab;
  --line: #2a2a37;
  --accent: #ff8a3d;
  --radius: 20px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 700px at 50% -10%, #1a1a28 0%, var(--bg) 60%) fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* ---------- top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 8px;
  max-width: 760px;
  margin: 0 auto;
}
.title { display: flex; align-items: center; gap: 10px; }
.topbar h1 { font-size: 20px; margin: 0; letter-spacing: 0.2px; }
.dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: #6b6b7a; transition: background 0.3s, box-shadow 0.3s;
}
.dot.ok { background: #43d17a; box-shadow: 0 0 10px #43d17a88; }
.dot.bad { background: #ff5a5a; box-shadow: 0 0 10px #ff5a5a88; }

.ghost {
  background: transparent; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 14px; font-size: 13px; cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.ghost:hover { color: var(--text); border-color: #3a3a4a; }

main { max-width: 760px; margin: 0 auto; padding: 8px 16px 40px; }

/* ---------- scene grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 10px;
}
.loading { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 40px 0; }

.scene {
  position: relative;
  border: 1px solid var(--line);
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--c) 22%, var(--card)) 0%, var(--card) 70%);
  border-radius: var(--radius);
  padding: 18px 16px 16px;
  min-height: 118px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  color: var(--text);
  text-align: left;
  -webkit-tap-highlight-color: transparent;
  transition: transform 0.12s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.scene::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: var(--radius);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--c) 35%, transparent);
  pointer-events: none;
}
.scene:active { transform: scale(0.97); }
.scene:hover { border-color: color-mix(in srgb, var(--c) 50%, var(--line)); }
.scene .emoji { font-size: 30px; line-height: 1; filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4)); }
.scene .label { margin-top: 12px; }
.scene .name { font-size: 17px; font-weight: 650; }
.scene .desc { font-size: 12.5px; color: var(--muted); margin-top: 2px; }

.scene.sending { box-shadow: 0 0 0 2px color-mix(in srgb, var(--c) 75%, transparent), var(--shadow); }
.scene.active {
  border-color: color-mix(in srgb, var(--c) 70%, transparent);
  box-shadow: 0 0 22px color-mix(in srgb, var(--c) 35%, transparent);
}
.scene .badge {
  position: absolute; top: 12px; right: 12px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--c); opacity: 0;
  box-shadow: 0 0 10px var(--c);
  transition: opacity 0.2s;
}
.scene.active .badge { opacity: 1; }

/* Off card reads as muted/neutral */
.scene[data-id="off"] { --c: #4a4a58; }

/* ---------- brightness ---------- */
.brightness {
  margin-top: 26px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px 20px;
}
.brightness label {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 14px; color: var(--muted); margin-bottom: 12px;
}
.bri-val { color: var(--text); font-variant-numeric: tabular-nums; font-weight: 600; }

input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 14px; border-radius: 999px;
  background: linear-gradient(90deg, #3a2a18, var(--accent));
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 30px; height: 30px; border-radius: 50%;
  background: #fff; border: 3px solid var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.5); cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 30px; height: 30px; border-radius: 50%;
  background: #fff; border: 3px solid var(--accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.5); cursor: pointer;
}

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(20px);
  background: #2a2a38; color: var(--text);
  padding: 11px 18px; border-radius: 999px;
  font-size: 14px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  border: 1px solid var(--line); max-width: 90vw;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: #3a1f24; border-color: #5a2a2a; }

/* ---------- login ---------- */
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  position: relative; overflow: hidden;
  width: min(360px, 90vw);
  background: var(--card); border: 1px solid var(--line);
  border-radius: 24px; padding: 34px 28px;
  box-shadow: var(--shadow); text-align: center;
}
.login-glow {
  position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, #ff8a3d55, transparent 70%);
  pointer-events: none;
}
.login-card h1 { margin: 0 0 6px; font-size: 26px; }
.muted { color: var(--muted); font-size: 14px; margin: 0 0 22px; }
.login-card input {
  width: 100%; padding: 14px 16px; font-size: 16px;
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--line); border-radius: 14px; margin-bottom: 12px;
}
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button {
  width: 100%; padding: 14px; font-size: 16px; font-weight: 650;
  color: #1a1209; background: var(--accent);
  border: none; border-radius: 14px; cursor: pointer;
  transition: filter 0.2s;
}
.login-card button:hover { filter: brightness(1.06); }
.login-card button:disabled { opacity: 0.6; cursor: default; }
.error { color: #ff7a7a; font-size: 14px; min-height: 18px; margin: 12px 0 0; }

@media (min-width: 560px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}