:root {
  --bg: #0e1116;
  --bg-2: #161b22;
  --bg-3: #1c232d;
  --panel: #151a21;
  --border: #283340;
  --text: #e6edf3;
  --muted: #8b96a5;
  --accent: #5b8cff;
  --accent-2: #7c5cff;
  --rec: #ff4d5e;
  --ok: #36d399;
  --warn: #ffb454;
  --radius: 12px;
  --shadow: 0 6px 24px rgba(0,0,0,.35);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 80% -10%, #1b2330 0%, var(--bg) 55%);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

h1, h2, h3 { margin: 0; }
.muted { color: var(--muted); font-size: .85rem; }
.hint { color: var(--muted); font-size: .82rem; margin: 6px 0 0; }
.spacer { flex: 1; }
.hidden { display: none !important; }

/* Topbar */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 22px; gap: 16px;
  background: linear-gradient(180deg, rgba(28,35,45,.9), rgba(20,26,33,.7));
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 30; backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 14px; }
.logo { font-size: 30px; }
.topbar h1 { font-size: 1.15rem; letter-spacing: .3px; }
.tagline { margin: 2px 0 0; color: var(--muted); font-size: .78rem; }
.topbar-controls { display: flex; align-items: center; gap: 10px; }

.status { font-size: .75rem; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); }
.status-off { color: var(--muted); }
.status-on { color: var(--ok); border-color: rgba(54,211,153,.4); background: rgba(54,211,153,.08); }
.status-err { color: var(--rec); border-color: rgba(255,77,94,.4); background: rgba(255,77,94,.08); }

/* Session strip */
.session-strip {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 8px 22px; background: var(--bg-2); border-bottom: 1px solid var(--border);
}
.session-strip-label { font-size: .8rem; font-weight: 700; color: var(--accent); }
.session-strip .muted { font-size: .76rem; }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(3,6,10,.7); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; z-index: 100;
}
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 22px; width: min(460px, 92vw); box-shadow: var(--shadow);
}
.modal h3 { font-size: 1.05rem; margin-bottom: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

/* Carpetas de biblioteca */
.session-folder { list-style: none; }
.session-folder details {
  background: var(--bg-2); border: 1px solid var(--border); border-radius: 12px;
  margin-bottom: 12px; overflow: hidden;
}
.session-folder summary {
  display: flex; align-items: center; gap: 10px; padding: 14px 16px; cursor: pointer;
  user-select: none; list-style: none;
}
.session-folder summary::-webkit-details-marker { display: none; }
.session-folder summary::before { content: '▸'; color: var(--muted); transition: transform .15s; }
.session-folder details[open] summary::before { transform: rotate(90deg); }
.folder-ico { font-size: 1.1rem; }
.folder-title { font-weight: 700; font-size: .95rem; }
.folder-meta { margin-left: auto; }
.folder-head { display: flex; align-items: center; gap: 8px; padding: 0 16px 8px; flex-wrap: wrap; }
.folder-takes { padding: 0 16px 14px; }
.move-label { font-size: .72rem; color: var(--muted); display: flex; align-items: center; gap: 5px; }

/* Tabs */
.tabs { display: flex; gap: 4px; padding: 10px 18px 0; flex-wrap: wrap; border-bottom: 1px solid var(--border); }
.tab {
  background: transparent; color: var(--muted); border: none; cursor: pointer;
  padding: 10px 16px; border-radius: 10px 10px 0 0; font-size: .9rem; font-weight: 600;
}
.tab:hover { color: var(--text); background: var(--bg-2); }
.tab.active { color: var(--text); background: var(--panel); box-shadow: inset 0 -2px 0 var(--accent); }

main { padding: 20px; max-width: 1280px; margin: 0 auto; }
.tabpanel { display: none; animation: fade .2s ease; }
.tabpanel.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* Panels */
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
  margin-bottom: 18px;
}
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; gap: 10px; }
.panel-head h2 { font-size: 1rem; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field > span { font-size: .8rem; color: var(--muted); }

/* Studio layout */
.studio-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }
@media (max-width: 960px) { .studio-grid { grid-template-columns: 1fr; } }

/* Buttons / inputs */
.btn {
  background: var(--bg-3); color: var(--text); border: 1px solid var(--border);
  padding: 9px 14px; border-radius: 10px; cursor: pointer; font-size: .85rem; font-weight: 600;
  transition: .15s; white-space: nowrap;
}
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-sm { padding: 6px 10px; font-size: .78rem; }
.btn-primary { background: linear-gradient(180deg, var(--accent), #4a78e6); border-color: transparent; color: #fff; }
.btn-ghost { background: transparent; }
.btn-rec { background: linear-gradient(180deg, #ff5d6c, var(--rec)); border-color: transparent; color: #fff; font-size: 1rem; padding: 11px 22px; }
.btn-stop { background: var(--bg-3); }
.select, .input, textarea {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 9px; padding: 8px 10px; font-size: .85rem; font-family: inherit;
}
.select-sm { padding: 5px 8px; }
.input { min-width: 180px; }

/* Meters */
.meters { display: flex; flex-direction: column; gap: 8px; margin: 8px 0 14px; }
.meter-block { display: flex; flex-direction: column; gap: 4px; }
.meter-label { font-size: .72rem; color: var(--muted); }
canvas#meterIn, canvas#meterOut { width: 100%; height: 18px; background: var(--bg); border-radius: 6px; border: 1px solid var(--border); }

/* toggles */
.toggles { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
.switch { display: flex; align-items: center; gap: 7px; font-size: .82rem; cursor: pointer; }
.switch input { width: 16px; height: 16px; accent-color: var(--accent); }
#monitorVol { width: 90px; accent-color: var(--accent); }

/* record row */
.rec-row { display: flex; align-items: center; gap: 12px; margin: 16px 0 4px; }
.rec-timer { font-variant-numeric: tabular-nums; font-size: 1.3rem; font-weight: 700; letter-spacing: 1px; }
.rec-dot { width: 12px; height: 12px; border-radius: 50%; background: #444; }
.rec-dot.live { background: var(--rec); box-shadow: 0 0 0 0 rgba(255,77,94,.7); animation: pulse 1.2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255,77,94,.6); } 70% { box-shadow: 0 0 0 10px rgba(255,77,94,0); } 100% { box-shadow: 0 0 0 0 rgba(255,77,94,0); } }

.recordings h3 { font-size: .85rem; margin: 14px 0 8px; color: var(--muted); }
.rec-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.rec-item { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.rec-item .rec-item-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; }
.rec-item audio { width: 100%; height: 34px; }
.rec-item .dl-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }

/* Prompter */
.prompter-panel { display: flex; flex-direction: column; }
.prom-editor textarea { width: 100%; min-height: 120px; resize: vertical; }
.prom-editor .row { margin-top: 8px; }
.prompter-view {
  position: relative; height: 360px; overflow: hidden; border-radius: 10px;
  background: #05070a; border: 1px solid var(--border); margin: 6px 0 10px;
}
.prompter-content {
  padding: 40px 28px 200px; font-size: 34px; line-height: 1.55; font-weight: 600;
  color: #d7e2f0; text-align: center;
}
.prom-word { transition: color .15s, background .15s; border-radius: 4px; padding: 0 1px; }
.prom-word.said { color: #5e6b7a; }
.prom-word.current { color: #fff; background: rgba(91,140,255,.35); }
.prompter-gradient { position: absolute; left: 0; right: 0; height: 70px; pointer-events: none; z-index: 2; }
.prompter-gradient.top { top: 0; background: linear-gradient(180deg, #05070a, transparent); }
.prompter-gradient.bottom { bottom: 0; background: linear-gradient(0deg, #05070a, transparent); }
.prompter-marker { position: absolute; top: 42%; left: 0; right: 0; height: 2px; background: rgba(91,140,255,.25); z-index: 1; }
.prom-controls { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.ctrl { display: flex; align-items: center; gap: 6px; font-size: .76rem; color: var(--muted); }
.ctrl input[type=range] { accent-color: var(--accent); width: 96px; }
.ctrl.checkbox { gap: 5px; }
.ctrl.checkbox input { accent-color: var(--accent); }

/* Preset editor */
.preset-meta { margin-bottom: 14px; }
.preset-editor { display: flex; flex-direction: column; gap: 12px; }
.node-card { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.node-card .node-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.node-card .node-title { font-weight: 700; font-size: .85rem; }
.node-card .node-type { color: var(--accent); font-size: .72rem; text-transform: uppercase; letter-spacing: .5px; }
.node-params { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.param { display: flex; flex-direction: column; gap: 3px; }
.param label { font-size: .72rem; color: var(--muted); display: flex; justify-content: space-between; }
.param input[type=range] { accent-color: var(--accent-2); width: 100%; }
.param .val { color: var(--text); font-variant-numeric: tabular-nums; }
.node-remove { background: transparent; border: none; color: var(--muted); cursor: pointer; font-size: 1rem; }
.node-remove:hover { color: var(--rec); }

/* Freestyle */
.fs-subs {
  min-height: 180px; background: #05070a; border: 1px solid var(--border);
  border-radius: 12px; padding: 28px 24px; font-size: 26px; line-height: 1.5;
  font-weight: 600; text-align: center; color: #d7e2f0; margin: 12px 0;
  display: flex; align-items: center; justify-content: center;
}
.fs-subs .interim-fs { color: var(--muted); font-weight: 500; }

/* Transcripción de archivo */
.file-trans-progress { font-size: .85rem; color: var(--accent); margin: 8px 0; min-height: 18px; }
.lib-name { background: transparent; border: 1px solid transparent; font-weight: 700; padding: 4px 6px; }
.lib-name:hover, .lib-name:focus { border-color: var(--border); background: var(--bg); }

/* Guionista */
.guion-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 1000px) { .guion-grid { grid-template-columns: 1fr; } }
.guion-opts { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; }
.guion-checks { display: flex; flex-wrap: wrap; gap: 14px; margin: 12px 0; }
.guion-output { width: 100%; min-height: 420px; resize: vertical; font-size: .95rem; line-height: 1.6; white-space: pre-wrap; }
.key-box { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; margin-bottom: 14px; }
.key-box summary { cursor: pointer; font-weight: 600; font-size: .85rem; }
.key-box[open] summary { margin-bottom: 8px; }

/* Ensamblador */
.asm-takes { display: flex; flex-direction: column; gap: 6px; margin: 8px 0 14px; }
.asm-take { display: flex; align-items: center; gap: 8px; background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; font-size: .85rem; }
.asm-take .grow { flex: 1; }
.asm-take button { background: transparent; border: 1px solid var(--border); color: var(--text); border-radius: 6px; cursor: pointer; padding: 2px 7px; }
.asm-opts { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin: 10px 0; }
.asm-file { display: flex; flex-direction: column; gap: 4px; font-size: .76rem; color: var(--muted); }

/* Transcript */
.transcript { background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 14px; min-height: 220px; max-height: 400px; overflow-y: auto; line-height: 1.6; margin-top: 10px; }
.transcript .seg { margin-bottom: 6px; }
.transcript .ts { color: var(--accent); font-size: .72rem; font-variant-numeric: tabular-nums; margin-right: 8px; }
.interim { color: var(--muted); font-style: italic; padding: 8px 4px; min-height: 24px; }

/* Soundboard */
.soundboard { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.sb-slot { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.sb-slot h4 { margin: 0 0 8px; font-size: .85rem; }
.sb-slot .sb-row { display: flex; gap: 8px; align-items: center; margin-top: 8px; }
.sb-slot input[type=range] { accent-color: var(--accent); flex: 1; }
.sb-status { font-size: .72rem; color: var(--muted); margin-top: 6px; }

/* AI prompts */
.ai-prompts { display: flex; flex-direction: column; gap: 12px; }
.prompt-card { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.prompt-card h4 { margin: 0 0 6px; font-size: .85rem; color: var(--accent); }
.prompt-card code { display: block; background: var(--bg); padding: 10px; border-radius: 8px; font-size: .8rem; white-space: pre-wrap; color: #cdd9e5; }
.prompt-card button { margin-top: 8px; }

/* Niches */
.niche-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .niche-grid { grid-template-columns: 1fr; } }
.niche-col h3 { font-size: .95rem; margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.niche-card { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 12px; margin-bottom: 10px; }
.niche-card.reco { border-color: var(--accent); box-shadow: 0 0 0 1px rgba(91,140,255,.3); }
.niche-card .nt { font-weight: 700; font-size: .9rem; }
.niche-card .badge { font-size: .68rem; padding: 2px 7px; border-radius: 999px; background: var(--bg-3); color: var(--muted); margin-left: 6px; }
.niche-card .badge.mkt { color: var(--accent); }
.niche-card p { margin: 6px 0 0; font-size: .8rem; color: #b9c4d0; }

/* Markdown */
.markdown { line-height: 1.65; }
.markdown h1, .markdown h2, .markdown h3 { margin: 18px 0 8px; }
.markdown h1 { font-size: 1.4rem; border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.markdown h2 { font-size: 1.15rem; color: var(--accent); }
.markdown h3 { font-size: 1rem; }
.markdown ul { padding-left: 22px; }
.markdown li { margin: 4px 0; }
.markdown code { background: var(--bg); padding: 2px 6px; border-radius: 5px; font-size: .85em; }
.markdown table { border-collapse: collapse; width: 100%; margin: 10px 0; font-size: .85rem; }
.markdown th, .markdown td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; }
.markdown th { background: var(--bg-2); }
.markdown a { color: var(--accent); }