/* ============================================================================
   collab.css -- Shared collaboration module (2-person async "pass the mic")
   Loaded after brand.css, so it reuses the :root tokens + .btn/.card/.pill.
   Class names match exactly what collab.js emits.
   ========================================================================== */

.cb-wrap { max-width: var(--maxw); margin: 0 auto; padding: 30px 22px 80px; }

/* ---- loading / spinner ---------------------------------------------------- */
.cb-loading { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 90px 0; color: var(--text-dim); }
.spinner {
  width: 26px; height: 26px; border-radius: 50%;
  border: 3px solid rgba(53,194,255,.25); border-top-color: var(--accent-2);
  animation: cb-spin .7s linear infinite; display: inline-block; vertical-align: middle;
}
@keyframes cb-spin { to { transform: rotate(360deg); } }

/* ---- gates ---------------------------------------------------------------- */
.cb-gate { text-align: center; padding: 46px 28px; }
.cb-gate h2 { margin-top: 8px; }
.cb-gate p { max-width: 640px; margin: 0 auto 18px; color: var(--text-dim); }
.cb-gate-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---- inline auth card ----------------------------------------------------- */
.cb-auth { max-width: 460px; margin: 30px auto; }
.cb-auth h2 { margin-bottom: 6px; }
.cb-auth .cb-field { margin-bottom: 12px; }
.cb-field label { display: block; font-size: .82rem; color: var(--text-dim); margin-bottom: 5px; font-weight: 600; }
.cb-input, .cb-select, .cb-textarea {
  width: 100%; padding: 11px 13px; border-radius: 10px; border: 1px solid var(--border);
  background: #101319; color: var(--text); font-size: .95rem; font-family: inherit;
}
.cb-select { appearance: none; -webkit-appearance: none; background-image: none; cursor: pointer; }
.cb-input:focus, .cb-select:focus { outline: none; border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(53,194,255,.15); }
.cb-select:disabled { opacity: .5; cursor: not-allowed; }
.cb-auth-switch { text-align: center; margin-top: 12px; font-size: .9rem; color: var(--text-dim); }
.cb-auth-switch a { cursor: pointer; }
.cb-error { color: #ffb3bb; background: rgba(255,77,94,.1); border: 1px solid rgba(255,77,94,.35); border-radius: 10px; padding: 10px 12px; font-size: .88rem; margin-bottom: 12px; }

/* ---- hero ----------------------------------------------------------------- */
.cb-hero { margin-bottom: 26px; }
.cb-hero h1 { margin: 6px 0 8px; }
.cb-hero .lead { max-width: 760px; }
.cb-hero-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

/* First-of-its-kind AI Re-Performance Collaboration badge */
.collab-first { display: inline-flex; align-items: center; gap: 8px; font-size: .74rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: #ffd9c6; border: 1px solid rgba(255,107,53,.5); background: linear-gradient(90deg, rgba(255,107,53,.18), rgba(53,194,255,.14)); padding: 6px 14px; border-radius: 999px; }
.collab-first .spark { filter: drop-shadow(0 0 6px rgba(255,107,53,.8)); }

/* ---- lobby ---------------------------------------------------------------- */
.cb-lobby-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 22px; align-items: start; }
.cb-panel { background: linear-gradient(180deg, var(--panel) 0%, #14171d 100%); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; box-shadow: var(--shadow); }
.cb-panel h3 { margin-bottom: 4px; }
.cb-panel .cb-sub { color: var(--text-dim); font-size: .9rem; margin-bottom: 16px; }

.cb-session-list { display: flex; flex-direction: column; gap: 12px; }
.cb-session-card { padding: 14px 16px; border-radius: 14px; border: 1px solid var(--border); background: var(--panel-2); transition: border-color .15s, transform .12s; }
.cb-session-card:hover { border-color: var(--accent-2); transform: translateY(-1px); }
.cb-sc-top { display: flex; align-items: center; gap: 10px; justify-content: space-between; }
.cb-sc-title { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cb-sc-meta { font-size: .82rem; color: var(--text-dim); margin-top: 3px; }
.cb-sc-actions { display: flex; gap: 8px; align-items: center; margin-top: 12px; }
.cb-sc-actions .btn { padding: 8px 16px; font-size: .85rem; }

.cb-empty { text-align: center; color: var(--text-dim); padding: 34px 10px; border: 1px dashed var(--border); border-radius: 14px; }
.cb-empty a { color: var(--accent-2); }

/* dropzone */
.cb-drop { border: 1.5px dashed var(--border); border-radius: 14px; padding: 26px 18px; text-align: center; color: var(--text-dim); cursor: pointer; transition: border-color .15s, background .15s; margin-bottom: 14px; }
.cb-drop:hover, .cb-drop.drag { border-color: var(--accent); background: rgba(255,107,53,.06); }
.cb-drop-ico { font-size: 1.8rem; }
.cb-drop.has-file { border-style: solid; border-color: rgba(53,255,158,.5); background: rgba(53,255,158,.06); color: var(--text); }

/* ---- module header -------------------------------------------------------- */
.cb-module { display: flex; flex-direction: column; gap: 20px; }
.cb-mod-head { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; }
.cb-mod-title { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.cb-mod-title h1 { font-size: clamp(1.4rem, 3vw, 2rem); margin: 0; }
.cb-mod-sub { color: var(--text-dim); font-size: .88rem; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cb-back { background: none; border: none; color: var(--accent-2); cursor: pointer; font-weight: 700; font-size: .88rem; padding: 0; }
.cb-back:hover { text-decoration: underline; }

.cb-people { display: flex; gap: 8px; flex-wrap: wrap; }
.cb-person { display: flex; align-items: center; gap: 8px; padding: 7px 12px 7px 8px; border-radius: 999px; border: 1px solid var(--border); background: var(--panel-2); font-size: .85rem; font-weight: 600; }
.cb-person.me { border-color: rgba(53,194,255,.5); }
.cb-person-empty { border-style: dashed; color: var(--text-dim); font-weight: 500; }
.cb-person-name { display: inline-flex; align-items: center; gap: 6px; }
.cb-you { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--accent-2); }
.cb-avatar { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: .72rem; font-weight: 800; color: #0b0d11; background: linear-gradient(135deg, var(--accent), var(--accent-2)); flex: 0 0 auto; }

/* demo "acting as" bar */
.cb-acting { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 10px 14px; border-radius: 12px; border: 1px dashed rgba(255,107,53,.5); background: rgba(255,107,53,.07); }
.cb-acting-label { font-size: .82rem; font-weight: 700; color: #ffd9c6; }
.cb-acting-btn { font-size: .82rem; font-weight: 700; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--border); background: #101319; color: var(--text-dim); cursor: pointer; }
.cb-acting-btn.active { border-color: var(--accent); background: rgba(255,107,53,.16); color: #ffd9c6; }

/* invite row */
.cb-invite { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.cb-invite .cb-input { flex: 1; min-width: 220px; font-size: .85rem; }
.cb-copied { color: var(--accent-3); font-size: .82rem; font-weight: 700; }

/* ---- steps ---------------------------------------------------------------- */
.cb-step { position: relative; }
.cb-step-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.cb-step-num { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; font-weight: 800; font-size: .9rem; background: rgba(53,194,255,.12); border: 1px solid rgba(53,194,255,.35); color: #cdefff; flex: 0 0 auto; }
.cb-step-head h3 { margin: 0; font-size: 1.12rem; }
.cb-step-tag { margin-left: auto; font-size: .78rem; color: var(--text-dim); font-weight: 700; }
.cb-step .cb-sub { color: var(--text-dim); font-size: .9rem; margin: 0 0 16px 42px; }

/* ---- passports ------------------------------------------------------------ */
.cb-passports { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.cb-passport { border: 1px solid var(--border); border-radius: 16px; padding: 16px; background: var(--panel-2); display: flex; flex-direction: column; gap: 12px; position: relative; overflow: hidden; }
.cb-passport.cleared { border-color: rgba(53,255,158,.5); box-shadow: 0 0 0 1px rgba(53,255,158,.18) inset; }
.cb-passport.revoked { opacity: .55; }
.cb-passport-head { display: flex; align-items: center; gap: 10px; }
.cb-passport-head .cb-avatar { width: 34px; height: 34px; font-size: .8rem; }
.cb-passport-id { flex: 1; min-width: 0; }
.cb-passport-voice { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cb-passport-owner { font-size: .8rem; color: var(--text-dim); }
.cb-passport-state { font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; font-weight: 800; color: var(--text-dim); border: 1px solid var(--border); border-radius: 999px; padding: 3px 9px; }
.cb-passport-state.ok { color: #c6ffe4; border-color: rgba(53,255,158,.5); background: rgba(53,255,158,.08); }
.cb-passport-state.bad { color: #ffb3bb; border-color: rgba(255,77,94,.5); }

.cb-keys { display: flex; gap: 10px; }
.cb-key { flex: 1; border: 1px solid var(--border); border-radius: 12px; padding: 10px 8px; text-align: center; background: #101319; cursor: pointer; color: var(--text-dim); font-family: inherit; font-weight: 700; font-size: .82rem; transition: border-color .15s, background .15s; display: flex; flex-direction: column; align-items: center; gap: 3px; }
.cb-key:hover:not(:disabled) { border-color: var(--accent-2); }
.cb-key:disabled { cursor: not-allowed; opacity: .7; }
.cb-key.on { border-color: rgba(53,255,158,.55); background: rgba(53,255,158,.08); color: #c6ffe4; }
.cb-key-dot { width: 9px; height: 9px; border-radius: 50%; background: #3a4150; box-shadow: 0 0 0 3px rgba(58,65,80,.25); }
.cb-key.on .cb-key-dot { background: var(--accent-3); box-shadow: 0 0 0 3px rgba(53,255,158,.22); }
.cb-key-sub { font-size: .66rem; text-transform: uppercase; letter-spacing: .08em; opacity: .8; }

.cb-revoke { align-self: flex-start; background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: .8rem; text-decoration: underline; padding: 0; }
.cb-revoke:hover { color: var(--danger); }

.cb-passport-add { border: 1px dashed var(--border); border-radius: 16px; padding: 16px; background: none; color: var(--text-dim); cursor: pointer; font-size: .92rem; font-weight: 700; min-height: 120px; transition: border-color .15s, color .15s; }
.cb-passport-add:hover { border-color: var(--accent); color: var(--accent); }

/* ---- timeline / casting --------------------------------------------------- */
.cb-timeline { display: flex; flex-direction: column; gap: 10px; }
.cb-mapping { display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: .9rem; padding: 18px; border: 1px dashed var(--border); border-radius: 14px; }
.cb-sec { display: flex; flex-direction: column; gap: 12px; border: 1px solid var(--border); border-radius: 14px; padding: 12px 14px; background: var(--panel-2); }
.cb-sec.chorus { border-left: 3px solid var(--accent); }
.cb-sec:not(.chorus) { border-left: 3px solid var(--accent-2); }
.cb-sec-head { display: flex; flex-direction: row; align-items: center; gap: 10px; flex-wrap: wrap; cursor: pointer; user-select: none; -webkit-user-select: none; -webkit-tap-highlight-color: transparent; border-radius: 8px; }
.cb-sec-head:hover { background: rgba(255,255,255,.02); }
.cb-sec-head:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }
.cb-sec-chev { flex: 0 0 auto; width: 14px; text-align: center; font-size: .8rem; color: var(--text-dim); }
.cb-sec-summary { font-size: .86rem; color: var(--text); }
.cb-sec-summary.dim { color: var(--text-dim); }
.cb-badge { display: inline-flex; align-items: center; gap: 5px; font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; padding: 3px 9px; border-radius: 999px; width: fit-content; }
.cb-badge.chorus { background: rgba(255,107,53,.14); border: 1px solid rgba(255,107,53,.45); color: #ffc4a3; }
.cb-badge.verse { background: rgba(53,194,255,.12); border: 1px solid rgba(53,194,255,.4); color: #c9ecff; }
.cb-sec-time { font-size: .74rem; color: var(--text-dim); font-variant-numeric: tabular-nums; }
.cb-sec-head-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-left: auto; }
.cb-sec-cast { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.cb-sec-cast .cb-select { width: auto; min-width: 128px; font-size: .85rem; padding: 8px 10px; }
.cb-warn { font-size: .72rem; font-weight: 700; color: #ffd9a3; }

.cb-take { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.cb-take-empty { justify-content: flex-end; }
.cb-take-audio { width: 190px; height: 34px; }
.cb-take-info { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cb-take-singer { font-size: .82rem; font-weight: 700; }
.cb-take-locked { font-size: .76rem; font-weight: 700; color: var(--accent-3); }
.cb-take-wait { font-size: .74rem; color: var(--text-dim); }
.cb-approve-chip { display: inline-flex; align-items: center; gap: 5px; font-size: .76rem; font-weight: 700; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--border); background: #101319; color: var(--text-dim); cursor: pointer; font-family: inherit; }
.cb-approve-chip:hover { border-color: var(--accent-2); }
.cb-approve-chip.on { border-color: rgba(53,255,158,.5); color: #c6ffe4; background: rgba(53,255,158,.08); }
.cb-mini { font-size: .78rem; font-weight: 700; padding: 7px 12px; border-radius: 10px; border: 1px solid var(--border); background: #101319; color: var(--text); cursor: pointer; font-family: inherit; }
.cb-mini:hover { border-color: var(--accent-2); }
.cb-mini.rec { border-color: rgba(255,77,94,.5); color: #ffb3bb; }
.cb-mini.recording { border-color: var(--danger); background: rgba(255,77,94,.14); color: #ffd0d5; animation: cb-pulse 1s ease-in-out infinite; }
@keyframes cb-pulse { 50% { opacity: .55; } }

.cb-legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: .8rem; color: var(--text-dim); margin-top: 4px; align-items: center; }

/* ---- assemble ------------------------------------------------------------- */
.cb-assemble { display: flex; flex-direction: column; gap: 14px; }
.cb-checklist { display: flex; gap: 14px; flex-wrap: wrap; font-size: .86rem; }
.cb-check { display: flex; align-items: center; gap: 6px; color: var(--text-dim); }
.cb-check.ok { color: var(--accent-3); }
.cb-check-ico { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; border: 1px solid currentColor; font-size: .7rem; font-weight: 800; }
.cb-assemble-status { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.cb-progress { height: 8px; border-radius: 999px; background: #101319; border: 1px solid var(--border); overflow: hidden; }
.cb-progress i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width .3s ease; }
.cb-result { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; padding: 14px; border-radius: 14px; border: 1px solid rgba(53,255,158,.4); background: rgba(53,255,158,.06); }
/* the finished song is sealed until the split agreement is locked */
#cbDownload.is-locked { opacity: .5; cursor: not-allowed; filter: grayscale(.3); }
.cb-download-gate { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-radius: 12px; border: 1px solid rgba(255,183,77,.4); background: rgba(255,183,77,.08); color: #ffd08a; font-size: .84rem; line-height: 1.4; }
.cb-download-gate-ico { font-size: 1rem; flex: 0 0 auto; }

/* Scene Reel hand-off -- the collab vocal becomes a co-directed film */
.cb-video-cta {
  display: flex; align-items: center; gap: 14px; margin-top: 12px;
  padding: 14px 16px; border-radius: 14px; text-decoration: none;
  border: 1px solid rgba(0,177,251,.42);
  background: linear-gradient(100deg, rgba(0,177,251,.14), rgba(255,107,53,.10) 70%, rgba(0,177,251,.06));
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.cb-video-cta:hover { transform: translateY(-1px); border-color: rgba(0,177,251,.75); box-shadow: 0 10px 28px -12px rgba(0,177,251,.55); }
.cb-vc-ico {
  flex: 0 0 auto; width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center; font-size: .82rem; color: #04121b;
  background: #00b1fb; box-shadow: 0 0 0 4px rgba(0,177,251,.14);
}
.cb-vc-body { flex: 1 1 auto; min-width: 180px; display: flex; flex-direction: column; gap: 3px; }
.cb-vc-title { font-weight: 700; color: #e8eaed; font-size: .95rem; }
.cb-vc-sub { font-size: .8rem; line-height: 1.45; color: #9aa0ac; }
.cb-vc-go { flex: 0 0 auto; font-family: var(--mono, ui-monospace, monospace); font-size: .78rem; letter-spacing: .04em; color: #00b1fb; white-space: nowrap; }
@media (max-width: 620px) {
  .cb-video-cta { flex-wrap: wrap; }
  .cb-vc-go { width: 100%; text-align: right; }
}

/* ---- log ------------------------------------------------------------------ */
.cb-log { display: flex; flex-direction: column; gap: 2px; max-height: 260px; overflow: auto; }
.cb-log-row { display: flex; gap: 10px; font-size: .82rem; padding: 7px 4px; border-bottom: 1px solid rgba(42,47,58,.6); align-items: baseline; }
.cb-log-type { color: var(--accent-2); font-weight: 700; flex: 0 0 150px; }
.cb-log-who { font-weight: 600; flex: 0 0 auto; }
.cb-log-detail { color: var(--text-dim); flex: 1; min-width: 0; }
.cb-log-time { color: var(--text-dim); font-size: .74rem; margin-left: auto; white-space: nowrap; }

/* ---- audio player --------------------------------------------------------- */
.cb-audio { width: 100%; height: 36px; }
.cb-track-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.cb-track-row .cb-audio { flex: 1; min-width: 240px; }

/* ---- modal (voice picker) ------------------------------------------------- */
.cb-modal-back { position: fixed; inset: 0; background: rgba(4,5,8,.72); display: none; align-items: center; justify-content: center; z-index: 60; padding: 20px; }
.cb-modal-back.open { display: flex; }
.cb-modal { width: 100%; max-width: 460px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 22px; box-shadow: var(--shadow); }
.cb-modal h3 { margin-bottom: 4px; }
.cb-modal .cb-sub { color: var(--text-dim); font-size: .88rem; margin-bottom: 14px; }
.cb-modal-list { display: flex; flex-direction: column; gap: 8px; max-height: 320px; overflow: auto; margin-bottom: 14px; }
.cb-voice-opt { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel-2); cursor: pointer; }
.cb-voice-opt:hover { border-color: var(--accent-2); }
.cb-voice-opt.used { opacity: .55; cursor: not-allowed; }
.cb-voice-name { font-weight: 700; }
.cb-voice-meta { font-size: .78rem; color: var(--text-dim); margin-left: auto; text-transform: capitalize; }

/* ---- toast ---------------------------------------------------------------- */
.cb-toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); background: #101319; border: 1px solid var(--border); border-radius: 12px; padding: 12px 18px; box-shadow: var(--shadow); opacity: 0; transition: opacity .2s, transform .2s; z-index: 80; font-size: .9rem; max-width: 90vw; pointer-events: none; }
.cb-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.cb-toast.err { border-color: rgba(255,77,94,.5); color: #ffb3bb; }
.cb-toast.ok { border-color: rgba(53,255,158,.5); color: #c6ffe4; }
.cb-toast.warn { border-color: rgba(255,196,64,.55); color: #ffe6b3; }

/* ---- live room (WebRTC P2P) ---------------------------------------------- */
.cb-live { position: relative; }
.cb-live::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(600px 200px at 12% -10%, rgba(53,194,255,.10), transparent 70%); }

.cb-live-status { margin-left: auto; display: inline-flex; align-items: center; gap: 7px; font-size: .76rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; color: var(--text-dim); border: 1px solid var(--border); border-radius: 999px; padding: 4px 11px; background: #101319; }
.cb-live-status i { width: 8px; height: 8px; border-radius: 50%; background: #5a6273; box-shadow: 0 0 0 3px rgba(90,98,115,.18); }
.cb-live-status.live { color: #c6ffe4; border-color: rgba(53,255,158,.5); background: rgba(53,255,158,.08); }
.cb-live-status.live i { background: var(--accent-3); box-shadow: 0 0 0 3px rgba(53,255,158,.22); animation: cb-live-blink 1.8s ease-in-out infinite; }
.cb-live-status.connecting { color: #ffd9a3; border-color: rgba(255,196,110,.5); background: rgba(255,196,110,.08); }
.cb-live-status.connecting i { background: #ffc46e; box-shadow: 0 0 0 3px rgba(255,196,110,.22); animation: cb-live-blink 1s ease-in-out infinite; }
.cb-live-status.error { color: #ffb3bb; border-color: rgba(255,77,94,.5); }
.cb-live-status.error i { background: var(--danger); }
@keyframes cb-live-blink { 50% { opacity: .35; } }

.cb-live-stage { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.cb-tile-screen { grid-column: 1 / -1; aspect-ratio: 16 / 9; border-color: rgba(53,194,255,.35); box-shadow: 0 0 0 1px rgba(53,194,255,.12), 0 10px 30px rgba(0,0,0,.35); }
.cb-tile-screen video { object-fit: contain; background: #05060a; }
.cb-tile-screen .cb-tile-badge { background: rgba(53,194,255,.16); border-color: rgba(53,194,255,.45); color: #d7f0ff; }
.cb-tile { position: relative; aspect-ratio: 16 / 10; border-radius: 16px; overflow: hidden; background: radial-gradient(120% 120% at 50% 0%, #1b2028 0%, #0c0e13 100%); border: 1px solid var(--border); display: grid; place-items: center; }
.cb-tile video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: #05060a; }
.cb-tile-fallback { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; }
.cb-tile-fallback.hide { display: none; }
.cb-avatar-lg { width: 58px; height: 58px; font-size: 1.3rem; }
.cb-tile-name { font-size: .86rem; font-weight: 700; color: var(--text-dim); max-width: 90%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cb-tile-badge { position: absolute; top: 9px; left: 9px; font-size: .66rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; background: rgba(5,6,10,.62); border: 1px solid rgba(255,255,255,.12); color: #e7ecf5; backdrop-filter: blur(4px); }
.cb-tile-media { position: absolute; bottom: 9px; right: 9px; display: flex; gap: 6px; }
.cb-media-dot { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; font-size: .8rem; background: rgba(5,6,10,.62); border: 1px solid rgba(255,255,255,.12); filter: grayscale(1) opacity(.5); transition: filter .15s, border-color .15s; }
.cb-media-dot.on { filter: none; border-color: rgba(53,255,158,.55); box-shadow: 0 0 0 2px rgba(53,255,158,.18); }

.cb-live-controls { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; margin-bottom: 14px; }
.cb-live-controls .cb-mini:disabled, .cb-live-controls .btn:disabled { opacity: .45; cursor: not-allowed; }
.cb-live-conn { font-size: .78rem; color: var(--text-dim); margin-left: auto; }

.cb-live-chat { border: 1px solid var(--border); border-radius: 14px; background: var(--panel-2); overflow: hidden; }
.cb-chat-log { display: flex; flex-direction: column; gap: 6px; max-height: 190px; overflow: auto; padding: 12px; }
.cb-chat-empty { color: var(--text-dim); font-size: .82rem; font-style: italic; }
.cb-chat-row { display: flex; flex-direction: column; gap: 1px; max-width: 82%; }
.cb-chat-row.mine { align-self: flex-end; align-items: flex-end; }
.cb-chat-who { font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; color: var(--text-dim); }
.cb-chat-bubble { font-size: .88rem; padding: 7px 11px; border-radius: 12px; background: #101319; border: 1px solid var(--border); word-break: break-word; }
.cb-chat-row.mine .cb-chat-bubble { background: rgba(53,194,255,.12); border-color: rgba(53,194,255,.4); }
.cb-chat-sys { font-size: .78rem; color: var(--text-dim); text-align: center; font-style: italic; padding: 2px 0; }
.cb-chat-input { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--border); background: #0d1015; }
.cb-chat-input .cb-input { flex: 1; }

/* presence dot on participants */
.cb-person { position: relative; }
.cb-presence { width: 9px; height: 9px; border-radius: 50%; background: #5a6273; box-shadow: 0 0 0 2px rgba(90,98,115,.2); flex: 0 0 auto; }
.cb-presence.on { background: var(--accent-3); box-shadow: 0 0 0 3px rgba(53,255,158,.25); animation: cb-live-blink 1.8s ease-in-out infinite; }

/* ---- Session browser (Phase 8) -------------------------------------------- */
.cb-browser { position: relative; overflow: hidden; }
.cb-browser::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(620px 200px at 88% -12%, rgba(53,255,158,.10), transparent 70%); }
.cb-host-badge { margin-left: auto; display: inline-flex; align-items: center; gap: 7px; font-size: .72rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; color: var(--text-dim); border: 1px solid var(--border); border-radius: 999px; padding: 4px 11px; background: #101319; }
.cb-host-badge i { width: 8px; height: 8px; border-radius: 50%; background: #5a6273; }
.cb-host-badge.host { color: #ffd9c6; border-color: rgba(255,107,53,.5); background: rgba(255,107,53,.08); }
.cb-host-badge.host i { background: var(--accent); box-shadow: 0 0 0 3px rgba(255,107,53,.22); }
.cb-browser-launch { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 4px 0 10px; }
.cb-browser-hint { font-size: .82rem; color: var(--text-dim); margin: 2px 0 0; }
.cb-browser-hint b { color: #cdd6e6; }
.cb-browser-status { display: flex; align-items: center; gap: 9px; margin-top: 12px; border: 1px solid rgba(53,255,158,.35); background: rgba(53,255,158,.07); border-radius: 12px; padding: 10px 13px; font-size: .86rem; color: #c6ffe4; }
.cb-browser-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 0 3px rgba(53,255,158,.22); animation: cb-live-blink 1.8s ease-in-out infinite; flex: 0 0 auto; }
.cb-browser-listen { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.cb-browser-import { margin-top: 16px; border: 1px dashed var(--border); border-radius: 14px; background: #0d1015; padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.cb-browser-import-head { font-size: .78rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-2); display: flex; align-items: center; gap: 7px; }
.cb-import-ico { font-size: .95rem; }
.cb-browser-import-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cb-import-name { font-size: .84rem; color: var(--text-dim); flex: 1; min-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---- Voice Blend (Phase 3) ------------------------------------------------ */
.cb-blend { display: flex; flex-direction: column; gap: 16px; }
.cb-blend-builder { border: 1px solid var(--border); border-radius: 16px; background: var(--panel-2); padding: 16px; display: flex; flex-direction: column; gap: 14px; }
.cb-blend-sides { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: end; }
.cb-blend-side { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.cb-blend-lab { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: var(--text-dim); }
.cb-blend-select { width: 100%; }
.cb-blend-mix { display: flex; flex-direction: column; align-items: center; gap: 6px; min-width: 132px; }
.cb-blend-pct { font-size: .8rem; font-weight: 800; font-variant-numeric: tabular-nums; color: #e7ecf5; }
.cb-blend-range { -webkit-appearance: none; appearance: none; width: 132px; height: 6px; border-radius: 999px; background: linear-gradient(90deg, rgba(53,194,255,.85), rgba(53,255,158,.85)); outline: none; cursor: pointer; }
.cb-blend-range::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 20px; height: 20px; border-radius: 50%; background: #f4f7ff; border: 3px solid #0b0d12; box-shadow: 0 2px 8px rgba(0,0,0,.5); cursor: pointer; }
.cb-blend-range::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: #f4f7ff; border: 3px solid #0b0d12; box-shadow: 0 2px 8px rgba(0,0,0,.5); cursor: pointer; }
.cb-blend-actions { display: flex; gap: 10px; align-items: center; }
.cb-blend-actions .cb-input { flex: 1; min-width: 0; }
.cb-blend-actions .cb-blend-engine { flex: 0 0 auto; max-width: 240px; }
.cb-blend-hint { font-size: .8rem; }
.cb-blend-hint.warn { color: #ffcf6b; }
.cb-blend-previewbox { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; border: 1px dashed rgba(53,194,255,.4); border-radius: 12px; background: rgba(53,194,255,.06); padding: 10px 12px; }
.cb-blend-preview-lab { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: #bfe6ff; }
.cb-blend-previewbox .cb-audio { height: 34px; min-width: 200px; flex: 1; }
.cb-blend-preview-note { font-size: .78rem; color: var(--text-dim); }
.cb-blend-preview-note.ok { color: var(--accent-3); }
.cb-blend-preview-note.stale { color: #ffcf6b; }
.cb-blend-preview-note.error { color: #ff8f8f; }

.cb-blends { display: flex; flex-direction: column; gap: 10px; }
.cb-blend-empty { color: var(--text-dim); font-size: .86rem; font-style: italic; padding: 4px 2px; }
.cb-blend-chip { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; border: 1px solid var(--border); border-radius: 14px; background: #0d1015; padding: 12px 14px; }
.cb-blend-chip.is-running { border-color: rgba(53,194,255,.4); }
.cb-blend-chip.is-error { border-color: rgba(255,107,107,.45); }
.cb-blend-swatch { width: 42px; height: 42px; border-radius: 12px; flex: 0 0 auto; display: grid; place-items: center; font-size: 1.1rem; background: linear-gradient(135deg, rgba(53,194,255,.28), rgba(53,255,158,.28)); border: 1px solid rgba(255,255,255,.1); }
.cb-blend-info { flex: 1; min-width: 150px; display: flex; flex-direction: column; gap: 2px; }
.cb-blend-name { font-weight: 700; font-size: .95rem; }
.cb-blend-meta { font-size: .78rem; color: var(--text-dim); }
.cb-blend-ratio { display: inline-flex; align-items: center; gap: 6px; font-size: .78rem; font-weight: 700; color: #cdd6e6; }
.cb-blend-ratio i { font-style: normal; }
.cb-blend-audio { height: 34px; min-width: 200px; flex: 1; }
.cb-blend-preview { font-weight: 700; border-color: rgba(53,194,255,.45); color: #bfe6ff; }
.cb-blend-preview:hover { border-color: var(--accent-2); background: rgba(53,194,255,.1); }
.cb-blend-preview-audio { height: 34px; min-width: 200px; flex: 1; }
.cb-blend-preview-state { font-size: .74rem; font-weight: 700; }
.cb-blend-preview-state.running { color: #53c2ff; }
.cb-blend-preview-state.error { color: #ff8f8f; }
.cb-blend-state { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-dim); }
.cb-blend-state.ready { color: var(--accent-3); border-color: rgba(53,255,158,.45); }
.cb-blend-state.running { color: #53c2ff; border-color: rgba(53,194,255,.45); }
.cb-blend-state.error { color: #ff8f8f; border-color: rgba(255,107,107,.45); }
.cb-blend-state.uncleared { color: #ffcf6b; border-color: rgba(255,207,107,.45); }

/* ---- notes & arrangement -------------------------------------------------- */
.cb-notes { display: flex; flex-direction: column; gap: 14px; }
.cb-note-composer { border: 1px solid var(--border); border-radius: 16px; background: var(--panel-2); padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.cb-note-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.cb-note-section { flex: 1; min-width: 180px; }
.cb-note-kinds { display: inline-flex; gap: 4px; background: #0d1015; border: 1px solid var(--border); border-radius: 999px; padding: 3px; }
.cb-note-kind { border: 0; background: transparent; color: var(--text-dim); font: inherit; font-size: .8rem; font-weight: 700; padding: 6px 12px; border-radius: 999px; cursor: pointer; }
.cb-note-kind.active { background: rgba(53,194,255,.18); color: #eaf4ff; }
.cb-note-text { resize: vertical; min-height: 54px; font-family: inherit; line-height: 1.45; }
.cb-note-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.cb-note-hint { font-size: .8rem; }
.cb-note-filter { display: inline-flex; gap: 6px; }
.cb-note-filter-btn { border: 1px solid var(--border); background: #0d1015; color: var(--text-dim); font: inherit; font-size: .8rem; font-weight: 700; padding: 6px 14px; border-radius: 999px; cursor: pointer; }
.cb-note-filter-btn.active { border-color: var(--accent-2); color: #eaf4ff; background: rgba(53,194,255,.12); }
.cb-notes-list { display: flex; flex-direction: column; gap: 10px; }
.cb-note-empty { color: var(--text-dim); font-size: .86rem; font-style: italic; padding: 4px 2px; }
.cb-note-card { border: 1px solid var(--border); border-left: 3px solid var(--accent-2); border-radius: 12px; background: #0d1015; padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; }
.cb-note-card.kind-idea { border-left-color: #c08cff; }
.cb-note-card.kind-todo { border-left-color: #ffcf6b; }
.cb-note-card.resolved { opacity: .62; border-left-color: var(--accent-3); }
.cb-note-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cb-note-where { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); color: #cdd6e6; }
.cb-note-where.song { color: var(--accent-2); border-color: rgba(53,194,255,.4); }
.cb-note-kind-tag { font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; padding: 2px 8px; border-radius: 999px; background: rgba(53,194,255,.14); color: #bfe4ff; }
.cb-note-kind-tag.idea { background: rgba(192,140,255,.16); color: #dcc4ff; }
.cb-note-kind-tag.todo { background: rgba(255,207,107,.16); color: #ffe1a1; }
.cb-note-body { font-size: .92rem; line-height: 1.5; color: #e7ecf5; white-space: pre-wrap; word-break: break-word; }
.cb-note-foot { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: .76rem; color: var(--text-dim); }
.cb-note-foot .cb-note-spacer { flex: 1; }
.cb-note-btn { border: 1px solid var(--border); background: transparent; color: var(--text-dim); font: inherit; font-size: .76rem; font-weight: 700; padding: 5px 12px; border-radius: 999px; cursor: pointer; }
.cb-note-btn:hover { border-color: var(--accent-2); color: #eaf4ff; }
.cb-note-btn.done { color: var(--accent-3); border-color: rgba(53,255,158,.45); }
.cb-note-btn.del:hover { border-color: #ff6b6b; color: #ffb3bb; }
.cb-note-resolved-by { font-size: .74rem; color: var(--accent-3); }
.cb-note-badge { border: 1px solid var(--border); background: #0d1015; color: var(--text-dim); font: inherit; font-size: .72rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; cursor: pointer; }
.cb-note-badge:hover { border-color: var(--accent-2); color: #eaf4ff; }
.cb-note-badge.has { border-color: rgba(53,194,255,.45); color: #bfe4ff; }

/* ---- responsive ----------------------------------------------------------- */
@media (max-width: 900px) {
  .cb-lobby-grid { grid-template-columns: 1fr; }
  .cb-sec-cast, .cb-take, .cb-take-empty { justify-content: flex-start; }
  .cb-take-audio { width: 100%; }
  .cb-blend-sides { grid-template-columns: 1fr; align-items: stretch; }
  .cb-blend-mix { flex-direction: row; justify-content: center; }
  .cb-blend-actions { flex-direction: column; align-items: stretch; }
  .cb-note-row { flex-direction: column; align-items: stretch; }
  .cb-note-actions { flex-direction: column; align-items: stretch; }
}
@media (max-width: 560px) {
  .cb-keys { flex-direction: column; }
  .cb-mod-head { flex-direction: column; align-items: flex-start; }
  .cb-log-type { flex-basis: 100px; }
}

/* ---- co-owned voices (cross-session library) ------------------------------ */
.cb-coowned-panel { margin-top: 18px; }
.cb-coowned-head { display: flex; align-items: center; gap: 10px; margin-bottom: 2px; }
.cb-coowned-head h3 { margin: 0; }
.cb-coowned-list { display: flex; flex-direction: column; gap: 12px; margin-top: 10px; }
.cb-coowned-empty { color: var(--text-dim); font-size: .86rem; font-style: italic; padding: 6px 2px; }
.cb-coown-card { border: 1px solid var(--border); border-radius: 16px; background: #0d1015; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.cb-coown-card.is-active { border-color: rgba(53,255,158,.4); }
.cb-coown-card.is-pending { border-color: rgba(255,207,107,.4); }
.cb-coown-card.is-dormant { border-color: rgba(255,207,107,.5); }
.cb-coown-card.is-withdrawn { border-color: rgba(255,107,107,.4); opacity: .7; }
.cb-coown-top { display: flex; align-items: center; gap: 12px; }
.cb-coown-swatch { width: 42px; height: 42px; border-radius: 12px; flex: 0 0 auto; display: grid; place-items: center; font-size: 1.1rem; background: linear-gradient(135deg, rgba(192,140,255,.3), rgba(53,194,255,.3)); border: 1px solid rgba(255,255,255,.1); }
.cb-coown-info { flex: 1; min-width: 140px; display: flex; flex-direction: column; gap: 2px; }
.cb-coown-name { font-weight: 700; font-size: .95rem; }
.cb-coown-meta { font-size: .78rem; color: var(--text-dim); }
.cb-coown-state { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-dim); white-space: nowrap; }
.cb-coown-state.active { color: var(--accent-3); border-color: rgba(53,255,158,.45); }
.cb-coown-state.pending { color: #ffcf6b; border-color: rgba(255,207,107,.45); }
.cb-coown-state.dormant { color: #ffcf6b; border-color: rgba(255,207,107,.45); }
.cb-coown-state.withdrawn { color: #ff8f8f; border-color: rgba(255,107,107,.45); }
.cb-coown-keys { display: flex; gap: 10px; flex-wrap: wrap; }
.cb-coown-key { flex: 1; min-width: 150px; display: flex; align-items: center; gap: 8px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel-2); padding: 9px 12px; cursor: pointer; font: inherit; color: var(--text); text-align: left; }
.cb-coown-key:hover:not(.locked) { border-color: rgba(53,194,255,.5); }
.cb-coown-key.locked { cursor: default; opacity: .82; }
.cb-coown-key-dot { width: 10px; height: 10px; border-radius: 50%; background: #3a4353; flex: 0 0 auto; }
.cb-coown-key.on .cb-coown-key-dot { background: var(--accent-3); box-shadow: 0 0 8px rgba(53,255,158,.7); }
.cb-coown-key-name { flex: 1; font-size: .84rem; font-weight: 600; }
.cb-coown-key-state { font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; color: var(--text-dim); }
.cb-coown-key.on .cb-coown-key-state { color: var(--accent-3); }
.cb-coown-note { font-size: .78rem; }
.cb-coown-audio { height: 34px; width: 100%; }
.cb-coown-actions { display: flex; justify-content: flex-end; gap: 8px; }
.cb-coown-withdraw { color: #ff8f8f; border-color: rgba(255,107,107,.4); }
/* ---- Master Buyout opt-in (two-key, decided before finalizing) ---- */
.cb-coown-buyout { border: 1px dashed rgba(255,107,53,.4); border-radius: 12px; background: rgba(255,107,53,.05); padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
.cb-coown-buyout-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.cb-coown-buyout-title { font-size: .84rem; font-weight: 700; }
.cb-coown-buyout-state { font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-dim); white-space: nowrap; }
.cb-coown-buyout-state.on { color: var(--accent-3); border-color: rgba(53,255,158,.45); }
.cb-coown-buyout-state.off { color: #ffcf6b; border-color: rgba(255,207,107,.45); }
.cb-coown-buyout-hint { font-size: .76rem; color: var(--text-dim); line-height: 1.4; }
.cb-coown-opts { display: flex; gap: 10px; flex-wrap: wrap; }
.cb-coown-opt { flex: 1; min-width: 150px; display: flex; align-items: center; gap: 8px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel-2); padding: 9px 12px; cursor: pointer; font: inherit; color: var(--text); text-align: left; }
.cb-coown-opt:hover:not(.locked) { border-color: rgba(255,107,53,.5); }
.cb-coown-opt.locked { cursor: default; opacity: .82; }
.cb-coown-opt-dot { width: 10px; height: 10px; border-radius: 50%; background: #3a4353; flex: 0 0 auto; }
.cb-coown-opt.on .cb-coown-opt-dot { background: var(--accent); box-shadow: 0 0 8px rgba(255,107,53,.7); }
.cb-coown-opt-name { flex: 1; font-size: .84rem; font-weight: 600; }
.cb-coown-opt-state { font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; color: var(--text-dim); }
.cb-coown-opt.on .cb-coown-opt-state { color: var(--accent); }
.cb-blend-coown { font-weight: 700; }
.cb-blend-coown.saved { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; color: var(--accent-3); border: 1px solid rgba(53,255,158,.45); border-radius: 999px; padding: 3px 9px; }
@media (max-width: 720px) {
  .cb-coown-keys { flex-direction: column; }
}

/* ---- Gate B: co-owned voices in this song (step 5) ------------------------ */
.cb-coown-use { margin: 4px 0 16px; padding: 14px; border: 1px dashed var(--border); border-radius: 16px; background: rgba(255,255,255,.015); }
.cb-coown-use-head { display: flex; align-items: center; gap: 10px; }
.cb-coown-use-head h4 { margin: 0; font-size: .95rem; }
.cb-coown-use .cb-sub { margin: 6px 0 10px; }
.cb-coown-use-list { display: flex; flex-direction: column; gap: 10px; }
.cb-coown-use-empty { font-size: .84rem; font-style: italic; }
.cb-coown-use-row { border: 1px solid var(--border); border-radius: 14px; background: #0d1015; padding: 12px; display: flex; flex-direction: column; gap: 9px; }
.cb-coown-use-row.is-active { border-color: rgba(53,255,158,.4); }
.cb-coown-use-row.is-pending { border-color: rgba(255,207,107,.4); }
.cb-coown-use-row.is-withdrawn { border-color: rgba(255,107,107,.4); opacity: .72; }
.cb-coown-use-row.is-available { border-style: dashed; }
.cb-coown-use-top { display: flex; align-items: center; gap: 12px; }
.cb-coown-use-top .cb-coown-swatch { width: 36px; height: 36px; border-radius: 10px; }
.cb-coown-use-request { font-weight: 700; }
.cb-coown-use-revoke { color: #ff8f8f; border-color: rgba(255,107,107,.4); }

/* ---- split agreement (step 7) --------------------------------------------- */
.cb-splits { display: flex; flex-direction: column; gap: 14px; margin-top: 6px; }
.cb-split-current { border: 1px solid rgba(53,255,158,.4); border-radius: 16px; background: #0d1015; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.cb-split-current-head { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: .9rem; }
.cb-split-lock { font-size: 1rem; }
.cb-split-bar { display: flex; height: 14px; border-radius: 999px; overflow: hidden; border: 1px solid var(--border); }
.cb-split-bar > i { display: block; height: 100%; }
.cb-split-bar > i:nth-child(1) { background: linear-gradient(90deg, rgba(192,140,255,.85), rgba(192,140,255,.55)); }
.cb-split-bar > i:nth-child(2) { background: linear-gradient(90deg, rgba(53,194,255,.55), rgba(53,194,255,.85)); }
.cb-split-rows { display: flex; gap: 12px; flex-wrap: wrap; }
.cb-split-row { flex: 1; min-width: 130px; display: flex; align-items: center; justify-content: space-between; gap: 8px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel-2); padding: 9px 12px; }
.cb-split-row-name { font-size: .84rem; font-weight: 600; }
.cb-split-row-pct { font-size: .95rem; font-weight: 800; color: var(--accent-2); }
.cb-split-proposal { border: 1px solid rgba(255,207,107,.4); border-radius: 16px; background: #0d1015; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.cb-split-proposal-head { font-weight: 700; font-size: .9rem; color: #ffcf6b; }
.cb-split-note { font-size: .8rem; }
.cb-split-keys { display: flex; gap: 10px; flex-wrap: wrap; }
.cb-split-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
.cb-split-form { border: 1px dashed var(--border); border-radius: 16px; padding: 14px; display: flex; flex-direction: column; gap: 10px; background: rgba(255,255,255,.015); }
.cb-split-field { flex: 1; min-width: 150px; display: flex; align-items: center; justify-content: space-between; gap: 8px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel-2); padding: 8px 12px; }
.cb-split-field-name { font-size: .84rem; font-weight: 600; }
.cb-split-field-input { display: flex; align-items: center; gap: 4px; font-size: .84rem; }
.cb-split-input { width: 74px; padding: 6px 8px; text-align: right; }
.cb-split-sum { font-size: .8rem; }
.cb-split-sum.warn { color: #ffcf6b; }
.cb-split-history { display: flex; flex-direction: column; gap: 6px; margin-top: 2px; }
.cb-split-history-row { display: flex; align-items: center; gap: 8px; font-size: .78rem; color: var(--text-dim); }
.cb-split-history-act { font-weight: 700; text-transform: uppercase; letter-spacing: .04em; font-size: .68rem; }
@media (max-width: 720px) {
  .cb-split-rows { flex-direction: column; }
  .cb-split-keys { flex-direction: column; }
}

/* ==========================================================================
   Phase 7 — notification bell + consent-nudge center
   ========================================================================== */
.cb-notif { position: relative; display: inline-flex; }
.cb-bell { position: relative; width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--border); background: #101319; color: var(--text); cursor: pointer; display: grid; place-items: center; font-size: 1.05rem; }
.cb-bell:hover { border-color: var(--accent-2); }
.cb-bell.has-unread { border-color: rgba(255,107,53,.6); box-shadow: 0 0 0 1px rgba(255,107,53,.25) inset; }
.cb-bell-ico { line-height: 1; }
.cb-bell-count { position: absolute; top: -6px; right: -6px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px; background: linear-gradient(92deg, var(--accent), #ff8a4c); color: #12151b; font-size: .68rem; font-weight: 800; display: grid; place-items: center; border: 2px solid var(--bg); }
.cb-notif-panel { position: absolute; top: calc(100% + 10px); right: 0; width: min(380px, 90vw); max-height: 70vh; overflow: auto; background: #0d1015; border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 24px 60px rgba(0,0,0,.55); z-index: 80; }
.cb-notif-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: #0d1015; }
.cb-notif-head b { font-size: .92rem; }
.cb-notif-list { display: flex; flex-direction: column; }
.cb-notif-empty { padding: 22px 16px; text-align: center; color: var(--text-dim); font-size: .86rem; }
.cb-notif-row { display: flex; gap: 10px; padding: 12px 14px; border-bottom: 1px solid rgba(42,47,58,.6); cursor: pointer; background: transparent; border-left: 3px solid transparent; text-align: left; font: inherit; color: var(--text); width: 100%; }
.cb-notif-row:hover { background: rgba(255,255,255,.025); }
.cb-notif-row.unread { border-left-color: var(--accent); background: rgba(255,107,53,.05); }
.cb-notif-ico { flex: 0 0 auto; width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(192,140,255,.28), rgba(53,194,255,.28)); border: 1px solid rgba(255,255,255,.08); font-size: .95rem; }
.cb-notif-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.cb-notif-title { font-size: .86rem; font-weight: 600; line-height: 1.35; }
.cb-notif-sub { font-size: .74rem; color: var(--text-dim); }
.cb-notif-dot { flex: 0 0 auto; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-top: 6px; }
.cb-notif-foot { padding: 10px 14px; font-size: .72rem; color: var(--text-dim); border-top: 1px solid var(--border); }
.cb-notif-foot b { color: var(--text); }

/* ==========================================================================
   Phase 7 — earnings ledger
   ========================================================================== */
.cb-ledger { display: flex; flex-direction: column; gap: 14px; margin-top: 6px; }
.cb-ledger-empty { border: 1px dashed var(--border); border-radius: 16px; padding: 16px; background: rgba(255,255,255,.015); color: var(--text-dim); font-size: .88rem; }
.cb-ledger-locked { border: 1px solid rgba(53,255,158,.4); border-radius: 16px; background: #0d1015; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.cb-ledger-locked-head { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: .9rem; }
.cb-ledger-total { margin-left: auto; font-size: .95rem; font-weight: 800; color: var(--accent-3); }
.cb-ledger-balances { display: flex; gap: 12px; flex-wrap: wrap; }
.cb-ledger-bal { flex: 1; min-width: 170px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel-2); padding: 10px 12px; display: flex; flex-direction: column; gap: 4px; }
.cb-ledger-bal.me { border-color: rgba(53,194,255,.45); }
.cb-ledger-bal-name { font-size: .84rem; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.cb-ledger-bal-pct { font-size: .7rem; font-weight: 800; color: var(--accent-2); border: 1px solid var(--border); border-radius: 999px; padding: 1px 7px; }
.cb-ledger-bal-earned { font-size: 1.15rem; font-weight: 800; }
.cb-ledger-bal-sub { font-size: .74rem; color: var(--text-dim); }
.cb-ledger-bal-sub b { color: var(--text); font-weight: 700; }
.cb-ledger-earn { border: 1px dashed var(--border); border-radius: 16px; padding: 14px; display: flex; flex-direction: column; gap: 10px; background: rgba(255,255,255,.015); }
.cb-ledger-earn-fields { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.cb-ledger-field { display: flex; flex-direction: column; gap: 4px; }
.cb-ledger-field label { font-size: .72rem; color: var(--text-dim); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.cb-ledger-field .cb-input { padding: 8px 10px; }
.cb-ledger-field-amount .cb-input { width: 120px; text-align: right; }
.cb-ledger-field-source .cb-input { width: 180px; }
.cb-ledger-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; align-items: center; }
.cb-ledger-entries { display: flex; flex-direction: column; gap: 8px; }
.cb-ledger-entries-head { font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; color: var(--text-dim); }
.cb-ledger-entry { border: 1px solid var(--border); border-radius: 12px; background: #0d1015; padding: 10px 12px; display: flex; flex-direction: column; gap: 6px; }
.cb-ledger-entry-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cb-ledger-entry-amt { font-weight: 800; font-size: .95rem; }
.cb-ledger-entry-src { font-size: .78rem; color: var(--text-dim); }
.cb-ledger-entry-time { margin-left: auto; font-size: .74rem; color: var(--text-dim); }
.cb-ledger-entry-alloc { display: flex; gap: 8px; flex-wrap: wrap; }
.cb-ledger-chip { font-size: .74rem; border: 1px solid var(--border); border-radius: 999px; padding: 2px 9px; background: var(--panel-2); }
.cb-ledger-chip b { color: var(--accent-3); }
.cb-ledger-payouts { display: flex; flex-direction: column; gap: 8px; }
.cb-ledger-payout { border: 1px solid var(--border); border-radius: 12px; background: #0d1015; padding: 10px 12px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cb-ledger-payout-amt { font-weight: 800; }
.cb-ledger-payout-who { font-size: .8rem; color: var(--text-dim); }
.cb-ledger-payout-state { font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); }
.cb-ledger-payout-state.requested { color: #ffcf6b; border-color: rgba(255,207,107,.5); }
.cb-ledger-payout-state.processing { color: var(--accent-2); border-color: rgba(53,194,255,.5); }
.cb-ledger-payout-state.paid { color: var(--accent-3); border-color: rgba(53,255,158,.5); }
.cb-ledger-payout-state.rejected { color: #ff8f8f; border-color: rgba(255,107,107,.5); }
.cb-ledger-payout-actions { margin-left: auto; display: flex; gap: 8px; }
@media (max-width: 720px) {
  .cb-ledger-balances { flex-direction: column; }
  .cb-ledger-earn-fields { flex-direction: column; align-items: stretch; }
  .cb-ledger-field .cb-input { width: 100%; }
}

/* ============================================================================
   Step 1 — waveform chorus markers
   ========================================================================== */
.cb-marker { margin-top: 14px; border: 1px solid var(--border); border-radius: 14px; background: #0d1015; padding: 14px; }
.cb-marker-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.cb-marker-title { font-weight: 800; font-size: .95rem; }
.cb-marker-count { font-size: .8rem; font-weight: 700; color: var(--accent-3); }
.cb-marker-count.dim { color: var(--text-dim); font-weight: 600; }
.cb-marker-count.warn { color: #ffc440; }
.cb-marker-snap { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; color: var(--text-dim); }
.cb-marker-snap input { accent-color: var(--accent-3); }
.cb-marker-stage { position: relative; width: 100%; border-radius: 12px; overflow: hidden; background: linear-gradient(180deg, #101319, #0b0e13); border: 1px solid var(--border); cursor: crosshair; touch-action: none; }
.cb-marker-canvas { display: block; width: 100%; height: 180px; }
.cb-marker-playhead { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--accent-3); box-shadow: 0 0 8px rgba(53,255,158,.7); left: 0; pointer-events: none; }
.cb-marker-hint { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--text-dim); font-size: .85rem; pointer-events: none; padding: 0 16px; text-align: center; }
.cb-marker-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.cb-marker-len { display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; color: var(--text-dim); }
.cb-marker-len-input { width: 74px; padding: 7px 9px; }
.cb-marker-controls #cbMarkerProceed { margin-left: auto; }
.cb-marker-help { font-size: .8rem; margin: 10px 0 0; }

/* ============================================================================
   Step 5 — section footer, mixer toggle + per-part mixer dropdown
   ========================================================================== */
.cb-sec-foot { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 2px; }
.cb-sec-mixer { grid-column: 1 / -1; }

/* Step 5 — tap-to-expand cards: the body is collapsed by default, revealed on .expanded */
.cb-sec .cb-sec-cast, .cb-sec .cb-take, .cb-sec .cb-sec-foot { display: none; }
.cb-sec.expanded .cb-sec-cast { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.cb-sec.expanded .cb-take { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-start; }
.cb-sec.expanded .cb-sec-foot { display: flex; }
.cb-sec:not(.expanded) .cb-sec-mixer { display: none; }
.cb-mini.mixer-toggle { border-color: rgba(53,194,255,.4); color: #cfeaff; }
.cb-mini.mixer-toggle:hover { border-color: var(--accent-2); background: rgba(53,194,255,.1); }
.cb-mini.danger { border-color: rgba(255,77,94,.45); color: #ffb3bb; }
.cb-mini.danger:hover { border-color: var(--danger); background: rgba(255,77,94,.12); }
.cb-mode-badge { font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-dim); background: var(--panel-2); }
.cb-mode-badge.rvc { color: #cfeaff; border-color: rgba(53,194,255,.4); }
.cb-mode-badge.live { color: #ffc4a3; border-color: rgba(255,107,53,.45); }
.cb-mode-badge.auto { color: var(--text-dim); }

.cb-mx { margin-top: 4px; border: 1px solid var(--border); border-radius: 14px; background: linear-gradient(180deg, #12151c, #0d1015); padding: 14px; }
.cb-mx-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.cb-mx-title { font-weight: 800; font-size: .92rem; }
.cb-mx-range { font-size: .76rem; font-variant-numeric: tabular-nums; }
.cb-mx-x { margin-left: auto; background: transparent; border: 1px solid var(--border); color: var(--text-dim); border-radius: 8px; width: 28px; height: 28px; cursor: pointer; font-size: .85rem; line-height: 1; }
.cb-mx-x:hover { border-color: var(--danger); color: #ffb3bb; }

.cb-mx-strips { display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-end; }
.cb-mx-strip { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 92px; padding: 10px 8px; border: 1px solid var(--border); border-radius: 12px; background: #0d1015; }
.cb-mx-strip-label { font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; color: var(--text-dim); }
.cb-mx-meter { display: flex; flex-direction: column-reverse; gap: 2px; width: 16px; height: 84px; }
.cb-mx-seg { flex: 1; border-radius: 2px; background: rgba(255,255,255,.07); }
.cb-mx-seg.on.seg-green { background: var(--accent-3); box-shadow: 0 0 6px rgba(53,255,158,.5); }
.cb-mx-seg.on.seg-yellow { background: #ffcf6b; box-shadow: 0 0 6px rgba(255,207,107,.5); }
.cb-mx-seg.on.seg-red { background: var(--danger); box-shadow: 0 0 6px rgba(255,77,94,.5); }
.cb-mx-cell { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.cb-mx-val { font-size: .72rem; color: var(--text-dim); font-variant-numeric: tabular-nums; }
.cb-mx-strip-btns { display: flex; gap: 6px; }
.cb-mx-mini { font-size: .68rem; font-weight: 800; padding: 4px 8px; border-radius: 8px; border: 1px solid var(--border); background: #101319; color: var(--text-dim); cursor: pointer; font-family: inherit; }
.cb-mx-mini:hover { border-color: var(--accent-2); color: var(--text); }
.cb-mx-mini.on { border-color: var(--accent-3); color: var(--accent-3); background: rgba(53,255,158,.1); }

.cb-mx-mode { margin-top: 14px; }
.cb-mx-mode-label { display: flex; flex-direction: column; gap: 5px; font-size: .78rem; font-weight: 700; color: var(--text-dim); }
.cb-mx-mode-label .cb-select { max-width: 460px; }
.cb-mx-transport { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.cb-mx-transport[hidden] { display: none; }
/* Live-instrument booth (shared LiveInstrument widget) inside the mixer */
.cb-mx-live { margin-top: 12px; }
.cb-mx-live[hidden] { display: none; }
.cb-mx-timer { font-variant-numeric: tabular-nums; font-weight: 800; color: var(--accent); }
.cb-mx-hint { font-size: .8rem; margin: 10px 0 0; }

@media (max-width: 640px) {
  .cb-mx-strips { gap: 10px; }
  .cb-mx-strip { min-width: 78px; }
  .cb-marker-canvas { height: 140px; }
  .cb-marker-controls #cbMarkerProceed { margin-left: 0; width: 100%; }
}

/* ---- Step-5 mixer count-in overlay --------------------------------------- */
.cb-countin {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(6, 10, 20, 0.72);
  backdrop-filter: blur(2px);
  pointer-events: none;
}
.cb-countin-num {
  font-size: 128px;
  font-weight: 800;
  line-height: 1;
  color: #ff8a3d;
  text-shadow: 0 0 40px rgba(255, 138, 61, 0.55);
  animation: cb-countin-pop 0.28s ease-out;
}
.cb-countin-cap {
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}
@keyframes cb-countin-pop {
  0% { transform: scale(0.6); opacity: 0.2; }
  60% { transform: scale(1.12); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* ---- Voice feature-license price (two-key) ---- */
.cb-coown-voice { border: 1px dashed rgba(53,255,158,.4); border-radius: 12px; background: rgba(53,255,158,.05); padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
.cb-coown-voice-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.cb-coown-voice-title { font-size: .84rem; font-weight: 700; }
.cb-coown-vl-state { font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-dim); white-space: nowrap; }
.cb-coown-vl-state.on { color: var(--accent-3); border-color: rgba(53,255,158,.45); }
.cb-coown-vl-state.off { color: #ffcf6b; border-color: rgba(255,207,107,.45); }
.cb-coown-voice-hint { font-size: .76rem; color: var(--text-dim); line-height: 1.4; }
.cb-coown-voice-set { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cb-coown-voice-price { display: flex; align-items: center; gap: 4px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel-2); padding: 6px 10px; font-weight: 700; color: var(--text-dim); }
.cb-coown-voice-price input { width: 84px; border: none; background: transparent; color: var(--text); font: inherit; font-weight: 700; outline: none; }
.cb-coown-voice-save { font-weight: 700; border-color: rgba(53,255,158,.5); }
.cb-coown-voice-off { color: #ff8f8f; border-color: rgba(255,107,107,.4); }
.cb-coown-vl-keys { display: flex; gap: 10px; flex-wrap: wrap; }
.cb-coown-vl-key { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--border); border-radius: 999px; background: var(--panel-2); padding: 5px 12px; font-size: .78rem; font-weight: 600; color: var(--text-dim); }
.cb-coown-vl-key.on { color: var(--text); border-color: rgba(53,255,158,.45); }
.cb-coown-vl-dot { width: 9px; height: 9px; border-radius: 50%; background: #3a4353; flex: 0 0 auto; }
.cb-coown-vl-key.on .cb-coown-vl-dot { background: var(--accent-3); box-shadow: 0 0 8px rgba(53,255,158,.7); }
.cb-coown-vl-key em { font-style: normal; font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; color: var(--text-dim); }
.cb-coown-vl-key.on em { color: var(--accent-3); }

/* ============================================================================
   Step-1 "Arrangement" DAW editor (wavesurfer.js lanes + regions)
   ========================================================================== */
.cb-daw { margin-top: 14px; border: 1px solid var(--border); border-radius: 14px; background: #0d1015; padding: 14px; }
.cb-daw-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.cb-daw-title { font-weight: 800; font-size: .95rem; }
.cb-daw-spacer { flex: 1 1 auto; }

/* source toggle (Mix / Lead vocal / Instrumental) */
.cb-daw-src { display: flex; border: 1px solid var(--border); border-radius: 11px; overflow: hidden; background: #101319; margin-bottom: 12px; }
.cb-seg { flex: 1 1 0; appearance: none; border: none; background: transparent; color: var(--text-dim); font: inherit; font-size: .78rem; font-weight: 700; padding: 9px 10px; cursor: pointer; border-right: 1px solid var(--border); text-align: center; }
.cb-seg:last-child { border-right: none; }
.cb-seg:hover:not(:disabled) { color: var(--text); background: rgba(53,194,255,.08); }
.cb-seg.is-on { background: rgba(53,194,255,.18); color: #d6efff; }
.cb-seg:disabled { opacity: .4; cursor: not-allowed; }

/* lanes */
.cb-daw-lanes { position: relative; display: flex; flex-direction: column; gap: 8px; border-radius: 12px; overflow: hidden; background: linear-gradient(180deg, #101319, #0b0e13); border: 1px solid var(--border); padding: 8px; }
/* section strip: solid colour-coded blocks (matches the mock's section overlay) */
.cb-daw-strip { display: flex; height: 26px; margin-top: 8px; border: 1px solid var(--border); border-radius: 9px; overflow: hidden; background: #0b0e13; }
.cb-daw-strip[hidden] { display: none; }
.cb-secblock { display: flex; align-items: center; justify-content: center; min-width: 0; padding: 0 5px; font-size: .56rem; font-weight: 800; letter-spacing: .01em; color: #08111c; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; border-right: 1px solid rgba(0,0,0,.35); background: rgba(53,194,255,.78); }
.cb-secblock:last-child { border-right: none; }
.cb-secblock.chorus { background: rgba(255,107,53,.88); }
.cb-secblock.bridge { background: rgba(192,140,255,.82); }
.cb-lane { display: flex; align-items: stretch; gap: 8px; }
.cb-lane[hidden] { display: none; }
.cb-lane-tag { flex: 0 0 84px; display: flex; align-items: center; font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; color: var(--text-dim); }
.cb-lane-wave { position: relative; flex: 1 1 auto; min-width: 0; border-radius: 8px; background: rgba(255,255,255,.02); }
.cb-lane-main .cb-lane-wave { min-height: 92px; }
.cb-lane-ref { min-height: 48px; }
.cb-lane-canvas { display: block; width: 100%; height: 48px; border-radius: 8px; }
.cb-lane-playhead { position: absolute; top: 0; bottom: 0; width: 2px; left: 0; background: var(--accent-3); box-shadow: 0 0 8px rgba(53,255,158,.7); pointer-events: none; opacity: .85; }
.cb-marker-hint { z-index: 8; }

/* wavesurfer region chrome */
.cb-daw .wavesurfer-region { border-radius: 8px; border: 1px solid rgba(255,255,255,.18); box-shadow: inset 0 0 0 1px rgba(0,0,0,.25); overflow: hidden; }
.cb-daw .wavesurfer-region:hover { border-color: rgba(255,255,255,.4); }
.cb-daw .wavesurfer-region.is-selected { border-color: var(--accent-3); box-shadow: 0 0 0 2px rgba(53,255,158,.45), inset 0 0 0 1px rgba(0,0,0,.25); z-index: 6; }
.cb-daw .wavesurfer-handle { background: rgba(255,255,255,.5); width: 3px; }
.cb-daw .wavesurfer-region.is-selected .wavesurfer-handle { background: var(--accent-3); }

/* region labels */
.cb-region-label { position: absolute; top: 3px; left: 6px; right: 6px; font-size: .66rem; font-weight: 800; letter-spacing: .02em; text-transform: uppercase; color: #eef3ff; text-shadow: 0 1px 3px rgba(0,0,0,.85); pointer-events: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; z-index: 6; }
.cb-region-verse { color: #cfe6ff; }
.cb-region-chorus { color: #ffd2b3; }
.cb-region-bridge { color: #dcc8ff; }
.cb-region-intro, .cb-region-outro { color: #c2ccda; }

/* transport + tools */
.cb-daw-transport, .cb-daw-tools { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.cb-daw-time { font-variant-numeric: tabular-nums; font-size: .82rem; font-weight: 700; }
.cb-daw-cta { display: block; width: 100%; margin-top: 14px; font: inherit; font-weight: 800; font-size: .92rem; color: #08111c; background: linear-gradient(135deg, var(--accent-2), var(--accent-3)); border: none; border-radius: 14px; padding: 15px; box-shadow: 0 10px 24px rgba(53,194,255,.3); cursor: pointer; }
.cb-daw-cta:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; }
.cb-daw-type { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; color: var(--text-dim); }
.cb-daw-type select { background: #101319; color: var(--text); border: 1px solid var(--border); border-radius: 9px; padding: 6px 8px; font: inherit; font-size: .8rem; font-weight: 700; }
.cb-daw-type select:focus { outline: none; border-color: var(--accent-2); }
.cb-mini.is-on { border-color: var(--accent-3); color: #c7ffe4; background: rgba(53,255,158,.12); }
.cb-mini:disabled { opacity: .4; cursor: not-allowed; }

@media (max-width: 640px) {
  .cb-lane-tag { flex-basis: 62px; font-size: .6rem; }
  .cb-daw-tools #cbMarkerProceed { margin-left: 0; width: 100%; }
  .cb-daw-src { width: 100%; }
  .cb-seg { flex: 1 1 0; min-width: 0; font-size: .72rem; padding: 9px 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}

/* ---- "Upload your own stems" — the recommended, front-and-center path ---------- */
.cb-own {
  margin: 2px 0 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-2);
  overflow: hidden;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.cb-own.recommended {
  border-color: rgba(53, 255, 158, 0.45);
  background:
    linear-gradient(180deg, rgba(53, 255, 158, 0.08) 0%, rgba(53, 255, 158, 0.015) 55%, transparent 100%),
    var(--panel-2);
  box-shadow: 0 0 0 1px rgba(53, 255, 158, 0.08), 0 14px 34px -22px rgba(53, 255, 158, 0.75);
}
.cb-own-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px;
  background: transparent;
  border: 0;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}
.cb-own-toggle:hover { background: rgba(255, 255, 255, 0.03); }
.cb-own-badge {
  flex: 0 0 auto;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #06231a;
  background: var(--accent-3);
  border-radius: 999px;
  padding: 3px 9px;
}
.cb-own-label { flex: 1; }
.cb-own-caret { transition: transform 0.18s ease; color: var(--text-dim); }
.cb-own.open .cb-own-caret { transform: rotate(180deg); }
.cb-own-body { padding: 2px 15px 15px; border-top: 1px solid var(--border); }
.cb-own-note { margin: 12px 0 14px; font-size: 12.5px; line-height: 1.55; color: var(--text-dim); }
.cb-own-note b { color: var(--text); }
.cb-own-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (max-width: 640px) {
  .cb-own-grid { grid-template-columns: 1fr; }
}
.cb-own-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11.5px;
  color: var(--text-dim);
}
.cb-own-field > span { font-weight: 600; color: var(--text); }
.cb-own-field em {
  font-style: normal;
  font-weight: 500;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  margin-left: 4px;
}
.cb-own-field input[type="file"] { font-size: 11px; color: var(--text-dim); }
.cb-own-field.has-file > span { color: var(--accent-3); }
.cb-own-status { margin-top: 10px; font-size: 12px; color: var(--accent-3); }

/* "or drop a full mix / or import the full mix" divider */
.cb-or {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0 14px;
  color: var(--text-dim);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.cb-or::before,
.cb-or::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ==========================================================================
   Live stage v2 — 4-up cameras, Focus/Gallery, Produce dock, reactions.
   Mobile-first: the phone gets Focus (one big + filmstrip) by default; the
   desktop keeps a roomy 2x2. One <video> per participant is reparented between
   layouts by collab.js so a stream is never double-mounted.
   ========================================================================== */
.cb-live-stage { grid-template-columns: 1fr; }
.cb-live-stage[data-view="focus"] .cb-camgrid { display: none; }
.cb-live-stage[data-view="gallery"] .cb-stage-focus { display: none; }

/* camera grid (gallery) */
.cb-camgrid { display: grid; gap: 10px; grid-template-columns: 1fr 1fr; }
.cb-camgrid[data-count="1"] { grid-template-columns: 1fr; }
.cb-camgrid[data-count="2"], .cb-camgrid[data-count="3"], .cb-camgrid[data-count="4"] { grid-template-columns: 1fr 1fr; }

/* focus: spotlight + filmstrip */
.cb-stage-focus { display: grid; gap: 10px; }
.cb-spotlight .cb-tile { aspect-ratio: 16 / 10; }
.cb-filmstrip { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 3px; scrollbar-width: thin; }
.cb-strip-item { flex: 0 0 31%; min-width: 92px; border: 0; padding: 0; background: none; cursor: pointer; border-radius: 14px; }
.cb-strip-item .cb-tile { aspect-ratio: 16 / 10; border-radius: 14px; }
.cb-strip-item .cb-tile-badge, .cb-strip-item .cb-tile-media { display: none; }
.cb-strip-item .cb-avatar-lg { width: 30px; height: 30px; font-size: .8rem; }
.cb-strip-item .cb-tile-name { font-size: .66rem; }
.cb-strip-item:hover .cb-tile { border-color: rgba(53,194,255,.5); }

/* produce mode: the whole camera area becomes a slim sticky dock */
.cb-live-stage[data-mode="produce"] {
  position: sticky; top: 0; z-index: 40; margin: -8px -8px 12px; padding: 8px;
  background: linear-gradient(180deg, rgba(9,11,15,.97), rgba(9,11,15,.86));
  backdrop-filter: blur(12px); border-radius: 0 0 16px 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,.45);
}
.cb-live-stage[data-mode="produce"] .cb-stage-focus { display: none; }
.cb-live-stage[data-mode="produce"] .cb-camgrid { display: flex; gap: 8px; overflow-x: auto; }
.cb-live-stage[data-mode="produce"] .cb-camgrid .cb-tile { flex: 0 0 30%; min-width: 104px; aspect-ratio: 16 / 10; }
.cb-live-stage[data-mode="produce"] .cb-camgrid .cb-tile-badge,
.cb-live-stage[data-mode="produce"] .cb-camgrid .cb-tile-media { display: none; }

/* stage bar */
.cb-stage-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.cb-viewtoggle { display: inline-flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; background: #101319; }
.cb-vt { border: 0; background: none; color: var(--text-dim); font: inherit; font-size: .78rem; font-weight: 700; padding: 8px 13px; cursor: pointer; }
.cb-vt.on { background: rgba(53,194,255,.16); color: #d7f0ff; }
.cb-snap { border-color: rgba(53,255,158,.4); }
.cb-snap:not(:disabled) { color: #c6ffe4; }
.cb-react-tray { display: inline-flex; gap: 4px; margin-left: auto; }
.cb-react { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); background: #101319; font-size: 1.05rem; line-height: 1; cursor: pointer; transition: transform .12s, border-color .12s; }
.cb-react:hover { transform: translateY(-2px) scale(1.08); border-color: rgba(53,194,255,.5); }
.cb-react:active { transform: scale(.94); }

/* bottom action bar (thumb-zone toolbar) — Mic / Cam / Snap / React / Studio */
.cb-actionbar {
  position: sticky; bottom: 0; z-index: 45;
  display: flex; align-items: stretch; justify-content: space-around; gap: 4px;
  margin: 14px -22px -22px; padding: 10px 10px calc(10px + env(safe-area-inset-bottom, 0px));
  background: linear-gradient(180deg, rgba(15,18,24,0), rgba(15,18,24,.96) 34%);
  border-top: 1px solid var(--border); backdrop-filter: blur(10px);
}
.cb-ab { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; font: inherit; font-size: .58rem; font-weight: 700; color: var(--text-dim); background: none; border: 0; cursor: pointer; padding: 4px 0; -webkit-tap-highlight-color: transparent; }
.cb-ab-ico { width: 46px; height: 46px; border-radius: 16px; display: grid; place-items: center; font-size: 1.2rem; background: var(--panel); border: 1px solid var(--border); transition: background .15s, border-color .15s, transform .1s; }
.cb-ab.on .cb-ab-ico { background: rgba(53,194,255,.14); border-color: rgba(53,194,255,.5); }
.cb-ab.primary .cb-ab-ico { background: linear-gradient(135deg, var(--accent-2), var(--accent-3)); border: none; color: #08111c; box-shadow: 0 8px 20px rgba(53,194,255,.32); }
.cb-ab:not(:disabled):active .cb-ab-ico { transform: scale(.93); }
.cb-ab:disabled { opacity: .45; cursor: not-allowed; }
.cb-ab-wrap { position: relative; flex: 1; display: flex; }
.cb-react-pop { position: absolute; bottom: calc(100% + 10px); right: 0; display: flex; gap: 6px; padding: 8px; border-radius: 16px; background: #101319; border: 1px solid var(--border); box-shadow: 0 14px 34px rgba(0,0,0,.55); z-index: 60; }
.cb-react-pop[hidden] { display: none; }

/* floating reactions over a tile */
.cb-react-layer { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 5; }
.cb-float-react { position: absolute; bottom: 8%; font-size: 1.7rem; animation: cb-float-up 2.2s ease-out forwards; will-change: transform, opacity; }
@keyframes cb-float-up { 0% { transform: translateY(0) scale(.55); opacity: 0; } 15% { opacity: 1; } 100% { transform: translateY(-150px) scale(1.35); opacity: 0; } }

/* who's talking */
.cb-tile.speaking { box-shadow: 0 0 0 2px var(--accent-3), 0 0 0 6px rgba(53,255,158,.14); }
.cb-tile .cb-tile-role { position: absolute; top: 9px; right: 9px; font-size: .6rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; background: rgba(5,6,10,.62); border: 1px solid rgba(255,255,255,.12); color: #cdd6e6; backdrop-filter: blur(4px); }
.cb-tile .cb-tile-role.primary { color: #ffe6b3; border-color: rgba(255,196,110,.5); }
.cb-tile .cb-tile-role.guest { color: #cfe6ff; border-color: rgba(53,194,255,.45); }

@media (max-width: 640px) {
  .cb-camgrid { gap: 8px; }
  .cb-spotlight .cb-tile { aspect-ratio: 4 / 3; }
  .cb-react-tray { margin-left: 0; }
}

/* ---- hybrid-voice rules: role pills + transparency badge ------------------ */
.cb-role-pill { display: inline-block; font-size: .56rem; font-weight: 800; letter-spacing: .06em;
  text-transform: uppercase; padding: 2px 7px; border-radius: 999px; vertical-align: middle;
  border: 1px solid rgba(255,255,255,.14); color: #cdd6e6; background: rgba(255,255,255,.05); }
.cb-role-pill.primary { color: #ffe6b3; border-color: rgba(255,196,110,.5); background: rgba(255,196,110,.1); }
.cb-role-pill.guest { color: #cfe6ff; border-color: rgba(53,194,255,.45); background: rgba(53,194,255,.08); }
.cb-hybrid-note { margin-top: 8px; font-size: .82rem; line-height: 1.4; }
.cb-hybrid-badge { display: inline-block; font-size: .62rem; font-weight: 800; letter-spacing: .05em;
  text-transform: uppercase; padding: 3px 9px; border-radius: 999px; margin-right: 6px;
  color: #ffe6b3; border: 1px solid rgba(255,196,110,.5); background: rgba(255,196,110,.12); }

/* ---- community broadcast (Phase A): go live / cast bar / consent ---------- */
.btn-live { background: linear-gradient(135deg, #ff4d5e, #ff6b35); color: #fff; border: none;
  font-weight: 800; padding: 10px 16px; border-radius: 12px; cursor: pointer; font-family: inherit; font-size: .9rem; }
.btn-live:hover:not(:disabled) { filter: brightness(1.08); }
.btn-live:disabled { opacity: .5; cursor: not-allowed; }

.cb-castbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin: 12px 0; padding: 10px 14px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(255,77,94,.14), rgba(255,107,53,.08));
  border: 1px solid rgba(255,77,94,.4); }
.cb-cast-live { display: inline-flex; align-items: center; gap: 7px; font-weight: 800;
  font-size: .82rem; letter-spacing: .08em; color: #ff8b96; text-transform: uppercase; }
.cb-cast-live i { width: 9px; height: 9px; border-radius: 50%; background: #ff4d5e;
  box-shadow: 0 0 0 4px rgba(255,77,94,.25); animation: cb-blink 1.4s ease-in-out infinite; }
@keyframes cb-blink { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.cb-cast-rec { display: inline-flex; align-items: center; gap: 7px; font-weight: 800;
  font-size: .78rem; letter-spacing: .08em; color: #ffb3a1; text-transform: uppercase;
  padding: 2px 8px; border-radius: 999px; border: 1px solid rgba(255,107,53,.5);
  background: rgba(255,107,53,.1); }
.cb-cast-rec i { width: 8px; height: 8px; border-radius: 50%; background: #ff6b35;
  box-shadow: 0 0 0 3px rgba(255,107,53,.22); animation: cb-blink 1.4s ease-in-out infinite; }
.cb-cast-viewers { font-weight: 700; font-size: .82rem; color: var(--text); }
.cb-cast-hint { font-size: .78rem; color: var(--dim); margin-right: auto; }
.cb-castbar .cb-mini.on { border-color: var(--accent); background: rgba(255,107,53,.16); color: #ffd9c6; }

.cb-modal { position: fixed; inset: 0; z-index: 9999; display: grid; place-items: center;
  background: rgba(4,5,9,.72); backdrop-filter: blur(3px); padding: 18px; }
.cb-modal[hidden] { display: none; }
.cb-modal-card { width: 100%; max-width: 460px; background: var(--panel, #14171e);
  border: 1px solid var(--border, #232833); border-radius: 16px; padding: 22px;
  box-shadow: 0 24px 60px rgba(0,0,0,.5); }
.cb-modal-card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.cb-modal-sub { margin: 0 0 16px; font-size: .86rem; line-height: 1.5; color: var(--dim); }
.cb-chk { display: flex; gap: 10px; align-items: flex-start; font-size: .86rem; line-height: 1.4;
  padding: 10px 12px; margin-bottom: 8px; border: 1px solid var(--border, #232833);
  border-radius: 10px; cursor: pointer; background: rgba(255,255,255,.02); }
.cb-chk input { margin-top: 2px; accent-color: var(--accent, #ff6b35); width: 16px; height: 16px; flex: 0 0 auto; }
.cb-modal-acts { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

/* Match-the-original toggle (seat the RVC vocal in the AI song's tone + space) */
.cb-toggle { display: flex; align-items: flex-start; gap: 9px; margin: 10px 0 2px;
  font-size: .86rem; color: var(--text); cursor: pointer; line-height: 1.45; }
.cb-toggle input { margin-top: 2px; width: 16px; height: 16px; accent-color: var(--accent, #ff6b35); flex: 0 0 auto; }
.cb-toggle em { display: block; font-style: normal; font-size: .78rem; color: var(--dim); margin-top: 2px; }