/* AI Mixer v2 — components on top of styles.css (same tokens: --lime, --panel, --line, DM Mono / Space Grotesk). */
.hidden{display:none!important}
body:not(.advanced) .adv-only{display:none!important}
body:not(.mode-stems) .stems-only{display:none!important}
.small{font-size:11px}

/* top bar */
.top-status{gap:12px}
.mode-switch,.vb-switch{display:flex;align-items:center;gap:8px;font:500 11px 'DM Mono',monospace;color:var(--muted);cursor:pointer;white-space:nowrap}
.mode-switch input,.vb-switch input{display:none}
.mode-switch span,.vb-switch span{width:34px;height:19px;border-radius:999px;background:#2a3440;position:relative;transition:.2s}
.mode-switch span::after,.vb-switch span::after{content:'';position:absolute;top:3px;left:3px;width:13px;height:13px;border-radius:50%;background:var(--muted);transition:.2s}
.mode-switch input:checked+span,.vb-switch input:checked+span{background:#3d4d1a}
.mode-switch input:checked+span::after,.vb-switch input:checked+span::after{left:18px;background:var(--lime)}
.account-chip{border:1px solid #45505e;background:#161d26;color:var(--text);border-radius:999px;padding:7px 13px;font:500 11px 'DM Mono',monospace;cursor:pointer;max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.account-chip:hover{border-color:var(--lime)}
.account-chip.signed-in{border-color:#586e22;color:var(--lime)}

/* intro */
.intro-compact{padding:44px 0 34px;gap:30px}
.how-steps{list-style:none;margin:0;padding:0;display:grid;gap:8px;font:500 12px 'DM Mono',monospace;color:#b9c2cd;min-width:210px}
.how-steps li{display:flex;align-items:center;gap:10px}
.how-steps b{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#222b36;color:var(--lime);font-weight:500}

/* steps */
.step-panel{margin-top:16px}
.mode-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mode-card{text-align:left;background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:20px;color:var(--text);cursor:pointer;display:grid;grid-template-columns:auto 1fr;gap:4px 14px;align-items:start;transition:.15s;font:inherit}
.mode-card:hover{border-color:#5d6b7a}
.mode-card.active{border-color:var(--lime);background:#192218;box-shadow:0 0 0 1px var(--lime) inset}
.mode-icon{grid-row:span 3;font-size:26px;color:var(--lime);line-height:1}
.mode-card strong{font-size:17px}
.mode-card span:not(.mode-icon){color:var(--muted);font-size:13px;line-height:1.45}
.mode-card em{font:normal 500 10px 'DM Mono',monospace;color:var(--lime);letter-spacing:.06em;text-transform:uppercase}

/* files */
.smart-drop{min-height:150px;margin-bottom:18px;text-align:center;padding:16px}
.drop-browse{font-size:12px}.drop-browse u{color:var(--lime);text-decoration:none;border-bottom:1px solid}
.file-columns{display:grid;grid-template-columns:1fr 1.4fr;gap:16px}
.file-group.muted .slot-list{opacity:.4;pointer-events:none}
.group-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:8px}
.group-hint{font:10px 'DM Mono',monospace;color:var(--muted)}
.slot-list{display:grid;gap:8px}
.file-slot{display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:12px;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:11px 12px;min-height:60px}
.file-slot.empty{grid-template-columns:auto 1fr;border-style:dashed;cursor:pointer;background:transparent}
.file-slot.empty:hover,.file-slot.dragging{border-color:var(--lime);background:#192218}
.file-slot.has-error{border-color:#8a3b2a;background:#241815}
.file-slot .stem-symbol{font-size:10px}
.slot-main{display:flex;flex-direction:column;gap:3px;min-width:0}
.slot-main strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.slot-meta{font:10px 'DM Mono',monospace;color:var(--muted)}
.slot-issue{font:10px/1.4 'DM Mono',monospace;color:#ffba90}
.slot-issue.error{color:#ff8a7a}
.role-select,.vb-control select,.field input,.bpm-row input{background:#0f141b;border:1px solid #3a4653;color:var(--text);border-radius:8px;padding:7px 8px;font:500 12px 'DM Mono',monospace;max-width:170px}
.skip-ref{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:12px;color:var(--muted);cursor:pointer}
.session-checks{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.check{font:11px/1.4 'DM Mono',monospace;padding:6px 10px;border-radius:8px;border:1px solid var(--line);color:#b9c2cd}
.check.ok{color:#c5e98a;border-color:#3f5220}.check.warn{color:#ffba90;border-color:#6d4029}.check.error{color:#ff8a7a;border-color:#8a3b2a}

/* choices */
.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:16px}
.choice{display:flex;flex-direction:column;gap:9px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips button{border:1px solid #3a4653;background:#1a222c;color:var(--text);border-radius:999px;padding:9px 15px;font:500 13px 'Space Grotesk',sans-serif;cursor:pointer;transition:.15s}
.chips button:hover{border-color:var(--lime)}
.chips button.active{background:var(--lime);color:#0d120c;border-color:var(--lime)}
.choice-hint{font-size:12px;color:var(--muted);margin:0;line-height:1.5}
.adv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px;margin:6px 0 16px}
.vb-control{background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:12px 12px 10px;display:grid;grid-template-columns:1fr auto;gap:7px 6px;align-items:center}
.vb-control input[type=range],.vb-control select,.vb-control .bpm-row{grid-column:1/-1}
.vb-control output{grid-row:1;grid-column:2;font:500 12px 'DM Mono',monospace;color:var(--lime)}
.vb-control small{grid-column:1/-1;font:10px 'DM Mono',monospace;color:var(--muted)}
.vb-control.toggles{display:flex;flex-direction:column;align-items:flex-start;gap:6px;font-size:12px}
.vb-control .mini{grid-column:1/-1;display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:center;font:10px 'DM Mono',monospace;color:var(--muted)}
.vb-control .mini output{grid-row:auto;grid-column:auto}
.bpm-row{display:flex;gap:6px;align-items:center}
.bpm-row input{width:66px}
.bpm-row button{background:transparent;border:1px solid #3a4653;color:#b9c2cd;border-radius:7px;padding:6px 8px;font:500 11px 'DM Mono',monospace;cursor:pointer}
.bpm-row button:hover{border-color:var(--lime)}

/* vocal card */
.vocal-card{border:1px solid var(--line);border-radius:14px;padding:18px;background:linear-gradient(180deg,#151c25,#131820);margin-bottom:16px}
.vocal-card h3{margin:6px 0 4px;font-size:17px}
.vb-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px}
.vocal-body{display:grid;gap:14px}
.vocal-card.off .vocal-body>:not(.vocal-actions){opacity:.4;pointer-events:none}
.vocal-summary{font:12px/1.55 'DM Mono',monospace;color:#c5cfda;margin:0;padding:10px 12px;border-radius:10px;background:#0f141b;border:1px solid var(--line)}
.adv-head{display:flex;justify-content:space-between;align-items:center;margin:4px 0 8px}
.vocal-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* stem mixer */
.stem-mixer{margin-bottom:16px}
.mixer-rows{display:grid;gap:6px}
.mixer-row{display:grid;grid-template-columns:minmax(120px,1.2fr) 2fr 70px auto;gap:12px;align-items:center;background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:12px}
.mixer-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mixer-row output{font:500 11px 'DM Mono',monospace;color:var(--lime)}
.mini{font:10px 'DM Mono',monospace;color:var(--muted);display:flex;gap:6px;align-items:center}

/* go */
.go-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:18px;border-top:1px solid var(--line)}
.go-copy{display:flex;flex-direction:column;gap:3px}
.go-copy strong{font-size:16px}.go-copy span{font:11px 'DM Mono',monospace;color:var(--muted)}
.go-button{min-width:200px;padding:16px 22px;font-size:15px}
.progress-panel{margin-top:14px}

/* results */
.results-panel .panel-heading p{max-width:780px;line-height:1.55}
.player{background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:16px;display:grid;gap:12px}
.ab-switch{display:flex;gap:6px;background:#0f141b;border-radius:999px;padding:4px;width:max-content;max-width:100%}
.ab-switch button{border:0;background:transparent;color:var(--muted);padding:9px 16px;border-radius:999px;font:600 13px 'Space Grotesk',sans-serif;cursor:pointer}
.ab-switch button.active{background:var(--lime);color:#0d120c}
.ab-switch button:disabled{opacity:.35;cursor:not-allowed}
.ab-switch kbd{font:10px 'DM Mono',monospace;opacity:.6;margin-left:4px}
.transport{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center}
.play-button{width:48px;height:48px;border-radius:50%;border:0;background:var(--lime);color:#0d120c;font-size:16px;cursor:pointer}
#seekCanvas{width:100%;height:64px;cursor:pointer;margin:0}
.time{font:11px 'DM Mono',monospace;color:var(--muted);min-width:96px;text-align:right}
.level-match{font-size:12px;color:#b9c2cd;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.compare-table{margin-top:14px;overflow-x:auto}
.compare-table table{width:100%;border-collapse:collapse;font-size:13px}
.compare-table th,.compare-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.compare-table thead th{font:500 10px 'DM Mono',monospace;letter-spacing:.1em;color:var(--muted)}
.compare-table tbody th{font-weight:500;color:#b9c2cd;cursor:help}
.compare-table td{font:500 13px 'DM Mono',monospace}
.compare-table td.after{color:var(--lime)}
.closer{color:var(--lime)}
.chart-card,.report-card{margin-top:14px;background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:16px}
#toneChart{width:100%;height:220px;margin-top:8px}
#chartLegend{font:10px 'DM Mono',monospace}
.report-card dl{display:grid;grid-template-columns:140px 1fr;gap:8px 14px;margin:12px 0 0;font-size:12px}
.report-card dt{font:500 10px 'DM Mono',monospace;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;padding-top:3px}
.report-card dd{margin:0;display:flex;flex-wrap:wrap;gap:5px;font-family:'DM Mono',monospace}
.eq-pill{border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:10px;color:var(--muted)}
.eq-pill.up{color:#c5e98a;border-color:#3f5220}.eq-pill.down{color:#ffba90;border-color:#6d4029}
.export-bar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.export-bar>div:first-child{display:flex;flex-direction:column;gap:3px}
.export-bar>div:first-child span{font:11px 'DM Mono',monospace;color:var(--muted)}

/* toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#1d2631;border:1px solid #586e22;color:var(--text);padding:12px 18px;border-radius:12px;font-size:13px;z-index:50;max-width:min(560px,92vw);box-shadow:0 10px 40px rgba(0,0,0,.5)}

/* modals */
.modal{border:1px solid var(--line);border-radius:18px;background:#131820;color:var(--text);padding:28px;width:min(420px,94vw);position:relative}
.modal::backdrop{background:rgba(5,8,12,.72);backdrop-filter:blur(3px)}
.modal-wide{width:min(760px,94vw)}
.modal h2{margin:0 0 6px;font-size:22px;letter-spacing:-.03em}
.modal-close{position:absolute;top:12px;right:14px}
.modal-close button{background:transparent;border:0;color:var(--muted);font-size:26px;cursor:pointer}
.google-slot{display:flex;justify-content:center;margin:18px 0 10px;min-height:0}
.wide{width:100%;justify-content:center}
.divider{display:flex;align-items:center;gap:10px;margin:16px 0;font:10px 'DM Mono',monospace;color:var(--muted)}
.divider::before,.divider::after{content:'';flex:1;border-top:1px solid var(--line)}
.stack{display:grid;gap:12px}
.field{display:grid;gap:6px;font:500 11px 'DM Mono',monospace;color:var(--muted)}
.field input{max-width:none;font-size:15px;padding:11px 12px}
.link-button{background:none;border:0;color:var(--lime);cursor:pointer;font:500 12px 'DM Mono',monospace;padding:6px 0}
.form-error{color:#ff8a7a;font:12px 'DM Mono',monospace;min-height:16px;margin:10px 0 0}
.plans-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:18px 0 12px}
.plan-card{background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:8px}
.plan-card.featured{border-color:var(--lime)}
.plan-card h3{margin:0;font-size:17px}
.plan-card strong{font-size:28px;letter-spacing:-.04em}
.plan-card strong small{font-size:12px;color:var(--muted);letter-spacing:0}
.plan-card p{color:var(--muted);font-size:13px;margin:0 0 6px;flex:1}
.plan-kicker{font:500 10px 'DM Mono',monospace;letter-spacing:.1em;color:var(--lime)}
.account-email{font:500 13px 'DM Mono',monospace;color:var(--muted);margin:0 0 14px}
.account-plan{display:grid;gap:4px;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px}
.account-section{margin-top:16px;display:grid;gap:6px}
.passkey-row{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;padding:8px 0;border-bottom:1px solid var(--line)}
a.secondary-button{text-decoration:none;margin-top:14px}

body.paywall-off .paywall-copy{display:none}
/* responsive */
@media (max-width:1000px){.file-columns{grid-template-columns:1fr}}
@media (max-width:860px){
  .mode-cards,.file-columns,.choice-grid{grid-template-columns:1fr}
  .intro-compact{flex-direction:column;align-items:flex-start}
  .go-bar,.export-bar{flex-direction:column;align-items:stretch}
  .go-button{width:100%}
  .top-status #engineStatus,.top-status .status-dot{display:none}
}
@media (max-width:560px){
  .shell{padding:18px 16px}
  .file-slot{grid-template-columns:auto 1fr auto;grid-template-areas:"sym main rm" "sel sel sel"}
  .file-slot .stem-symbol{grid-area:sym}.file-slot .slot-main{grid-area:main}.file-slot .remove{grid-area:rm}.file-slot .role-select{grid-area:sel;max-width:none;width:100%}
  .file-slot.empty{grid-template-areas:none}
  .transport{grid-template-columns:auto 1fr}.time{grid-column:1/-1;text-align:left}
  .mixer-row{grid-template-columns:1fr 70px;}.mixer-row input[type=range]{grid-column:1/-1}
  .report-card dl{grid-template-columns:1fr}
  .ab-switch button{padding:8px 11px}
}