:root {
  font-family: Inter, "Noto Sans JP", "Yu Gothic UI", system-ui, sans-serif;
  color: #f7f4ff;
  background: #070b18;
  color-scheme: dark;
  --accent: #ff3aaa;
  --accent-2: #54d8ff;
  --surface: rgba(15, 21, 47, 0.94);
  --surface-soft: rgba(23, 30, 63, 0.78);
  --line: rgba(166, 179, 255, 0.22);
  --muted: #9da7c8;
  --danger: #ff406a;
  --comment-scale: 1.2;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; background: #070b18; }
body { min-height: 100dvh; overflow-x: hidden; }
button, select, input { font: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }

.smart-shell {
  min-height: 100dvh;
  background:
    radial-gradient(circle at 78% 4%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 36%),
    radial-gradient(circle at 8% 50%, color-mix(in srgb, var(--accent-2) 18%, transparent), transparent 40%),
    linear-gradient(180deg, #0b1024 0%, #070b18 100%);
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}

.smart-shell[data-theme="sakura"] { --accent: #ff82bb; --accent-2: #ffd2e7; --surface: rgba(55, 20, 49, .94); }
.smart-shell[data-theme="aurora"] { --accent: #a678ff; --accent-2: #55efd2; --surface: rgba(20, 20, 58, .94); }
.smart-shell[data-theme="mint"] { --accent: #48e0bb; --accent-2: #9ffbe6; --surface: rgba(9, 39, 43, .94); }
.smart-shell[data-theme="moonlight"] { --accent: #8ea5ff; --accent-2: #dce4ff; --surface: rgba(17, 23, 51, .95); }
.smart-shell[data-theme="sunset"] { --accent: #ff6e74; --accent-2: #ffc05f; --surface: rgba(56, 22, 37, .94); }
.smart-shell[data-theme="mono"] { --accent: #f2f2f7; --accent-2: #acb1bf; --surface: rgba(20, 22, 27, .96); }

.smart-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 70px;
  padding: 10px 16px;
  background: rgba(6, 10, 24, .88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.smart-header img { width: 38px; height: 38px; object-fit: contain; filter: drop-shadow(0 0 12px color-mix(in srgb, var(--accent) 55%, transparent)); }
.smart-header div { display: grid; gap: 2px; }
.smart-header strong { font-size: .84rem; letter-spacing: .15em; }
.smart-header div span { font-size: .62rem; color: var(--muted); letter-spacing: .12em; }
.connection-pill { padding: 6px 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .7rem; font-weight: 700; }
.connection-pill[data-state="connected"] { color: #7fffd9; border-color: rgba(73, 246, 192, .42); background: rgba(35, 202, 146, .12); }
.connection-pill[data-state="error"] { color: #ff9ab1; border-color: rgba(255, 64, 106, .5); }

main { width: min(100%, 720px); margin: 0 auto; padding: 22px 14px 30px; }
.entrance { text-align: center; }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: .7rem; font-weight: 900; letter-spacing: .2em; }
.entrance h1 { margin: 0; font-size: clamp(1.8rem, 8vw, 2.6rem); line-height: 1.15; }
.lead { max-width: 520px; margin: 10px auto 22px; color: var(--muted); line-height: 1.7; font-size: .9rem; }
.hero-orbit { position: relative; width: 116px; height: 116px; margin: 3px auto 18px; display: grid; place-items: center; }
.hero-orbit::before, .hero-orbit::after { content: ""; position: absolute; inset: 8px; border: 1px solid color-mix(in srgb, var(--accent) 52%, transparent); border-radius: 50%; box-shadow: 0 0 36px color-mix(in srgb, var(--accent) 23%, transparent); }
.hero-orbit::after { inset: 0 18px; transform: rotate(58deg); border-color: color-mix(in srgb, var(--accent-2) 50%, transparent); }
.hero-orbit img { width: 56px; height: 56px; object-fit: contain; z-index: 2; }
.hero-orbit span { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); }
.hero-orbit span:nth-child(1) { top: 10px; left: 29px; }
.hero-orbit span:nth-child(2) { right: 7px; bottom: 31px; background: var(--accent); }
.hero-orbit span:nth-child(3) { left: 9px; bottom: 20px; }

.role-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; text-align: left; }
.role-card { position: relative; min-height: 88px; display: grid; grid-template-columns: 42px 1fr; align-items: center; gap: 10px; padding: 13px; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(150deg, rgba(28, 36, 73, .88), rgba(12, 17, 39, .88)); box-shadow: inset 0 1px rgba(255,255,255,.04); }
.role-card:last-child { grid-column: 1 / -1; }
.role-card input { position: absolute; opacity: 0; pointer-events: none; }
.role-card.is-selected { border-color: color-mix(in srgb, var(--accent) 68%, transparent); background: linear-gradient(150deg, color-mix(in srgb, var(--accent) 16%, #1d264b), rgba(14, 18, 43, .94)); box-shadow: 0 0 22px color-mix(in srgb, var(--accent) 10%, transparent), inset 0 0 0 1px color-mix(in srgb, var(--accent-2) 12%, transparent); }
.role-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; background: rgba(255,255,255,.06); font-size: 1.25rem; }
.role-card > span:last-child { display: grid; gap: 4px; }
.role-card strong { font-size: .9rem; }
.role-card small { color: var(--muted); font-size: .7rem; line-height: 1.35; }

.camera-options { margin-top: 12px; padding: 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface-soft); text-align: left; }
.camera-options label { display: grid; grid-template-columns: 1fr 1.3fr; align-items: center; gap: 10px; margin-bottom: 9px; color: #dbe0f5; font-size: .8rem; }
.camera-options select { width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 10px; background: #10162f; color: #fff; }
.camera-options p { margin: 8px 0 0; color: #ffca7e; font-size: .72rem; line-height: 1.5; }
.primary-action, .install-action, .disconnect-action { width: 100%; min-height: 52px; margin-top: 16px; border: 0; border-radius: 15px; font-weight: 900; letter-spacing: .04em; }
.primary-action { background: linear-gradient(100deg, var(--accent), #c72cff 58%, var(--accent-2)); box-shadow: 0 10px 28px color-mix(in srgb, var(--accent) 26%, transparent); }
.primary-action:disabled { opacity: .55; }
.install-action { margin-top: 9px; border: 1px solid var(--line); background: var(--surface-soft); }
.entrance-status, .deck-status { min-height: 22px; color: var(--muted); font-size: .78rem; line-height: 1.5; }

.linked { display: grid; gap: 12px; }
.camera-surface { position: relative; overflow: hidden; aspect-ratio: 9 / 12; max-height: 48dvh; border: 1px solid var(--line); border-radius: 18px; background: #03050c; }
.camera-surface video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); }
.camera-badge { position: absolute; left: 12px; bottom: 12px; padding: 7px 9px; border-radius: 999px; background: rgba(5, 8, 20, .72); backdrop-filter: blur(8px); font-size: .66rem; font-weight: 800; }
.camera-badge span { display: inline-block; width: 7px; height: 7px; margin-right: 4px; border-radius: 50%; background: #42f3b5; box-shadow: 0 0 8px #42f3b5; }

.comments-panel, .expression-panel, .deck-panel { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); box-shadow: 0 14px 40px rgba(0,0,0,.22); overflow: hidden; }
.comments-panel > header, .expression-panel > header, .deck-panel > header { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 13px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.025); }
.metrics { display: flex; flex-wrap: wrap; gap: 8px; }
.metrics span { padding: 5px 8px; border: 1px solid var(--line); border-radius: 999px; font-size: .72rem; }
.metrics .revenue { color: #ffd36b; border-color: rgba(255, 211, 107, .28); }
.comment-tools { display: flex; gap: 5px; }
.comment-tools button, .deck-panel header button { min-width: 38px; min-height: 34px; border: 1px solid var(--line); border-radius: 9px; background: rgba(255,255,255,.05); }
.comments-list { max-height: 49dvh; min-height: 240px; overflow: auto; padding: 10px; font-size: calc(.94rem * var(--comment-scale)); scroll-behavior: smooth; }
.comment-empty { display: grid; place-items: center; min-height: 200px; color: var(--muted); text-align: center; font-size: .82rem; }
.comment-row { display: grid; grid-template-columns: 36px 1fr; gap: 10px; padding: 10px 8px; border-bottom: 1px solid rgba(170,183,255,.1); }
.comment-row:last-child { border-bottom: 0; }
.comment-row.is-superchat { margin: 5px 0; border: 1px solid rgba(255, 196, 78, .32); border-radius: 13px; background: rgba(255, 168, 45, .1); }
.comment-row > img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; background: #202743; }
.comment-copy { min-width: 0; }
.comment-meta { display: flex; align-items: baseline; gap: 7px; margin-bottom: 3px; }
.comment-meta strong { color: var(--accent-2); font-size: .76em; }
.comment-meta time { color: var(--muted); font-size: .58em; }
.comment-amount { margin-left: auto; color: #ffd36b; font-weight: 900; font-size: .72em; }
.comment-message { line-height: 1.52; overflow-wrap: anywhere; }
.comment-message img { width: 1.35em; height: 1.35em; vertical-align: -.25em; object-fit: contain; }

.expression-panel header { align-items: baseline; }
.expression-panel header small { color: var(--muted); }
.expression-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px; padding: 11px; }
.expression-grid button, .expression-release { min-height: 46px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.045); font-weight: 900; }
.expression-grid button:disabled { opacity: .38; }
.expression-release { width: calc(100% - 22px); margin: 0 11px 11px; }

.deck-panel header div { display: grid; gap: 2px; }
.deck-panel header strong { font-size: .78rem; letter-spacing: .12em; }
.deck-panel header small { color: var(--muted); font-size: .67rem; }
.deck-grid { display: grid; gap: 8px; padding: 10px; }
.deck-grid--stream { grid-template-columns: repeat(3, 1fr); }
.deck-grid--scenes { grid-template-columns: repeat(4, 1fr); padding-top: 0; }
.deck-grid button { position: relative; min-height: 74px; display: grid; place-items: center; align-content: center; gap: 4px; padding: 8px; border: 1px solid var(--line); border-radius: 13px; background: linear-gradient(150deg, rgba(37,46,86,.86), rgba(17,22,50,.92)); }
.deck-grid button:active { transform: translateY(1px); border-color: var(--accent); }
.deck-grid button strong { font-size: .76rem; }
.deck-grid button small { color: var(--muted); font-size: .58rem; }
.deck-grid .danger { border-color: rgba(255,64,106,.36); }
.dot { position: absolute; top: 8px; right: 8px; width: 7px; height: 7px; border-radius: 50%; }
.dot--cyan { background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }
.dot--red { background: var(--danger); box-shadow: 0 0 8px var(--danger); }
.deck-status { margin: 0; padding: 0 12px 10px; }
.disconnect-action { margin-top: 2px; border: 1px solid var(--line); background: transparent; color: var(--muted); }

.confirm-backdrop { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 22px; background: rgba(2,4,12,.78); backdrop-filter: blur(10px); }
.confirm-card { width: min(100%, 420px); padding: 26px 20px 20px; border: 1px solid rgba(255,64,106,.48); border-radius: 22px; background: linear-gradient(160deg, rgba(42,20,49,.98), rgba(10,14,34,.99)); text-align: center; box-shadow: 0 20px 70px rgba(0,0,0,.5), 0 0 44px rgba(255,47,130,.14); }
.confirm-icon { display: grid; place-items: center; width: 48px; height: 48px; margin: 0 auto 13px; border-radius: 50%; background: rgba(255,64,106,.14); color: var(--danger); }
.confirm-card h2 { margin: 3px 0 8px; font-size: 1.45rem; }
.confirm-card > p:not(.eyebrow) { color: var(--muted); line-height: 1.65; font-size: .83rem; }
.confirm-card > div { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 18px; }
.confirm-card button { min-height: 46px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,.05); }
.confirm-card .danger { border-color: transparent; background: linear-gradient(100deg, #ff315d, #d72cff); font-weight: 900; }

.deck-panel:fullscreen { width: 100%; height: 100%; border-radius: 0; overflow: auto; background: #080d1d; padding: env(safe-area-inset-top) 6px env(safe-area-inset-bottom); }
.deck-panel:fullscreen .deck-grid button { min-height: 18vh; }

@media (max-width: 390px) {
  .role-grid { grid-template-columns: 1fr; }
  .role-card:last-child { grid-column: auto; }
  .smart-header { grid-template-columns: 36px 1fr auto; padding-inline: 12px; }
  .smart-header img { width: 32px; height: 32px; }
  .smart-header strong { font-size: .72rem; }
  .connection-pill { font-size: .62rem; padding-inline: 7px; }
  main { padding-inline: 10px; }
  .deck-grid--stream { grid-template-columns: 1fr 1fr; }
  .deck-grid--stream button:first-child { grid-column: 1 / -1; }
  .deck-grid--scenes { grid-template-columns: repeat(2, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}