:root{
  --bg-0:#161618;
  --bg-1:#1c1c1f;
  --bg-2:#232327;
  --bg-3:#2b2b30;
  --bg-4:#333338;
  --border:#3a3a40;
  --border-soft:#2c2c31;
  --text-0:#f0f0f2;
  --text-1:#c7c7cf;
  --text-2:#8a8a92;
  --accent:#7c5cff;
  --accent-hover:#8f72ff;
  --accent-soft:rgba(124,92,255,.16);
  --danger:#ff5c5c;
  --danger-soft:rgba(255,92,92,.18);
  --warn:#ffb454;
  --ok:#4ade80;
  --wave:#9c8cff;
  --radius:10px;
  --radius-sm:8px;
  --ease:cubic-bezier(.4,0,.2,1);
  --shadow-sm:0 1px 2px rgba(0,0,0,.35);
  --shadow-md:0 6px 20px rgba(0,0,0,.35);
  --shadow-lg:0 20px 60px rgba(0,0,0,.5);
  font-size:15px;
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-0);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-variant-numeric:tabular-nums;
  overflow:hidden;
}
.hidden{display:none !important;}
button{font-family:inherit;}
input[type=range]{accent-color:var(--accent);}

[data-icon] svg,
.btn svg,
.icon-btn svg{width:16px;height:16px;display:block;flex:0 0 auto;}

:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
button:focus-visible,.icon-btn:focus-visible,.btn:focus-visible{outline-offset:2px;}

/* ---------- botões ---------- */
.btn{
  border:1px solid var(--border);
  background:var(--bg-3);
  color:var(--text-0);
  padding:9px 14px;
  border-radius:var(--radius-sm);
  font-size:13.5px;
  font-weight:500;
  cursor:pointer;
  transition:background .16s var(--ease),border-color .16s var(--ease),transform .1s var(--ease),box-shadow .16s var(--ease);
  white-space:nowrap;
  display:inline-flex;align-items:center;gap:7px;
}
.btn:hover{background:var(--bg-4);border-color:#48484f;}
.btn:active{transform:scale(.97);}
.btn:disabled{opacity:.4;cursor:not-allowed;}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.08) inset,0 2px 8px rgba(124,92,255,.25);}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);box-shadow:0 1px 0 rgba(255,255,255,.1) inset,0 4px 14px rgba(124,92,255,.35);}
.btn-secondary{background:var(--bg-2);}
.btn-ghost{background:transparent;border-color:transparent;color:var(--text-1);box-shadow:none;}
.btn-ghost:hover{background:var(--bg-2);border-color:transparent;}
.btn-block{width:100%;display:flex;text-align:center;justify-content:center;}
.btn-sm{padding:6px 12px;font-size:12.5px;}
.btn-icon-label svg{width:15px;height:15px;}
.icon-btn{
  background:transparent;border:1px solid transparent;color:var(--text-1);
  width:34px;height:34px;border-radius:var(--radius-sm);cursor:pointer;font-size:14px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .14s var(--ease),color .14s var(--ease),transform .08s var(--ease);
}
.icon-btn:hover{background:var(--bg-3);color:var(--text-0);}
.icon-btn:active{transform:scale(.92);}
.icon-btn:disabled{opacity:.35;cursor:not-allowed;}
.divider-v{width:1px;height:20px;background:var(--border);margin:0 4px;}

/* ---------- login ---------- */
.view-login{
  height:100%;display:flex;align-items:center;justify-content:center;position:relative;
  background:radial-gradient(circle at 30% 20%, #201a3a 0%, var(--bg-0) 55%);
}
.login-bg-glow{
  position:absolute;inset:0;
  background:radial-gradient(600px circle at 70% 80%, rgba(124,92,255,.12), transparent 60%);
  pointer-events:none;
}
.login-card{
  position:relative;z-index:1;
  width:360px;background:var(--bg-1);border:1px solid var(--border-soft);
  border-radius:18px;padding:36px 32px;box-shadow:var(--shadow-lg);
}
.login-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.logo-mark{
  color:#fff;width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(145deg,var(--accent),#5b3fe0);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 14px rgba(124,92,255,.4),0 1px 0 rgba(255,255,255,.15) inset;
}
.logo-mark svg{width:18px;height:18px;}
.logo-mark.small{width:26px;height:26px;border-radius:7px;}
.logo-mark.small svg{width:14px;height:14px;}
.logo-text{font-size:19px;font-weight:700;letter-spacing:-.02em;}
.login-sub{color:var(--text-2);font-size:13.5px;margin:0 0 24px;}
.login-form{display:flex;flex-direction:column;gap:14px;}
.field{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--text-1);font-weight:500;}
.field input{
  background:var(--bg-2);border:1px solid var(--border);color:var(--text-0);
  padding:10px 12px;border-radius:var(--radius-sm);font-size:14px;outline:none;
  transition:border-color .16s var(--ease),box-shadow .16s var(--ease);
}
.field input:hover{border-color:#4a4a52;}
.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);}
.login-hint{color:var(--text-2);font-size:11.5px;text-align:center;margin:16px 0 0;}

/* ---------- editor layout ---------- */
.view-editor{height:100%;display:flex;flex-direction:column;}
.topbar{
  height:54px;flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;background:var(--bg-1);border-bottom:1px solid var(--border-soft);
  box-shadow:var(--shadow-sm);position:relative;z-index:10;
}
.topbar-left{display:flex;align-items:center;gap:10px;min-width:0;}
.brand{font-weight:700;font-size:14px;color:var(--text-1);letter-spacing:-.01em;}
.project-name{
  font-size:13.5px;color:var(--text-2);padding:5px 9px;border-radius:7px;outline:none;
  border:1px solid transparent;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  transition:background .14s var(--ease),border-color .14s var(--ease),color .14s var(--ease);
}
.project-name:hover{background:var(--bg-2);}
.project-name:focus{border-color:var(--accent);background:var(--bg-2);color:var(--text-0);box-shadow:0 0 0 3px var(--accent-soft);}
.topbar-center{display:flex;align-items:center;gap:2px;}
.topbar-right{display:flex;align-items:center;gap:10px;}
.user-email{color:var(--text-2);font-size:12px;}

.workspace{flex:1;display:flex;min-height:0;}

/* sidebars */
.sidebar-media,.sidebar-detect{
  width:250px;flex:0 0 auto;background:var(--bg-1);display:flex;flex-direction:column;min-height:0;
}
.sidebar-media{border-right:1px solid var(--border-soft);}
.sidebar-detect{border-left:1px solid var(--border-soft);overflow-y:auto;}
.sidebar-header{
  display:flex;align-items:center;justify-content:space-between;padding:12px 12px;
  font-size:12px;font-weight:600;color:var(--text-2);text-transform:uppercase;letter-spacing:.04em;
  border-bottom:1px solid var(--border-soft);
}
.media-list{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:6px;}
.empty-hint{color:var(--text-2);font-size:12px;text-align:center;padding:24px 10px;line-height:1.6;}

.media-item{
  display:flex;align-items:center;gap:9px;padding:7px;border-radius:var(--radius-sm);
  cursor:grab;border:1px solid transparent;transition:background .14s var(--ease),border-color .14s var(--ease);
}
.media-item:hover{background:var(--bg-2);border-color:var(--border-soft);}
.media-item:active{cursor:grabbing;}
.media-item.active{background:var(--accent-soft);border-color:var(--accent);}
.media-thumb{
  width:52px;height:34px;border-radius:5px;background:var(--bg-3);object-fit:cover;flex:0 0 auto;
  box-shadow:0 0 0 1px var(--border-soft) inset;
}
.media-info{min-width:0;flex:1;}
.media-name{font-size:12.5px;color:var(--text-0);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500;}
.media-meta{font-size:10.5px;color:var(--text-2);margin-top:1px;}
.media-add-btn{
  flex:0 0 auto;width:25px;height:25px;border-radius:6px;border:1px solid var(--border);
  background:var(--bg-3);color:var(--text-1);cursor:pointer;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background .14s var(--ease),border-color .14s var(--ease),color .14s var(--ease),transform .1s var(--ease);
}
.media-add-btn svg{width:13px;height:13px;}
.media-add-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff;}
.media-add-btn:active{transform:scale(.9);}

/* stage */
.stage{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg-0);}
.player-wrap{
  flex:1;display:flex;align-items:center;justify-content:center;position:relative;
  background:#000;margin:14px 14px 0;border-radius:12px;overflow:hidden;min-height:0;
  box-shadow:var(--shadow-md),0 0 0 1px var(--border-soft);
}
.player{max-width:100%;max-height:100%;cursor:pointer;}
.player-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--text-2);}
.player-empty-icon{width:44px;height:44px;margin:0 auto 12px;color:var(--text-2);opacity:.7;}
.player-empty-icon svg{width:100%;height:100%;}
.player-empty p{max-width:220px;text-align:center;font-size:12.5px;line-height:1.6;}
.player-controls{
  flex:0 0 auto;display:flex;align-items:center;gap:14px;padding:12px 20px;
}
#btn-playpause{
  width:38px;height:38px;background:var(--accent);color:#fff;
  box-shadow:0 2px 10px rgba(124,92,255,.35);
}
#btn-playpause svg{width:15px;height:15px;}
#btn-playpause:hover{background:var(--accent-hover);}
.time-display{font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--text-1);}
.preview-skip{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-2);margin-left:auto;cursor:pointer;}
.preview-skip:hover{color:var(--text-1);}

/* sidebar-detect panels */
.panel-block{padding:16px;border-bottom:1px solid var(--border-soft);}
.panel-block h3{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-2);margin:0 0 12px;}
.panel-grow{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden;}
.field-inline{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-1);margin-bottom:4px;}
.value-pill{background:var(--bg-3);color:var(--text-0);padding:2px 8px;border-radius:20px;font-size:11px;font-variant-numeric:tabular-nums;}
.field-help{font-size:11px;color:var(--text-2);margin:4px 0 14px;}

input[type=range]{
  width:100%;-webkit-appearance:none;appearance:none;height:4px;border-radius:4px;
  background:var(--bg-4);outline:none;margin:6px 0;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:var(--accent);border:2px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.4);
  cursor:pointer;transition:transform .12s var(--ease);
}
input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15);}
input[type=range]::-moz-range-thumb{
  width:14px;height:14px;border-radius:50%;background:var(--accent);border:2px solid #fff;
  box-shadow:0 1px 4px rgba(0,0,0,.4);cursor:pointer;
}
input[type=range]::-moz-range-track{background:var(--bg-4);height:4px;border-radius:4px;}

.count-pill{background:var(--accent-soft);color:var(--accent);padding:1px 8px;border-radius:20px;font-size:11px;margin-left:6px;font-weight:600;}

.silence-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:6px;margin-top:10px;}
.silence-item{
  display:flex;align-items:center;gap:8px;padding:8px 9px;border-radius:var(--radius-sm);
  background:var(--bg-2);border:1px solid var(--border-soft);font-size:12px;cursor:pointer;
  transition:border-color .14s var(--ease),background .14s var(--ease),opacity .14s var(--ease);
}
.silence-item:hover{border-color:var(--border);background:var(--bg-3);}
.silence-item.ignored{opacity:.45;}
.silence-swatch{width:8px;height:20px;border-radius:3px;background:var(--warn);flex:0 0 auto;}
.silence-item.ignored .silence-swatch{background:var(--text-2);}
.silence-time{flex:1;color:var(--text-1);font-variant-numeric:tabular-nums;}
.silence-dur{color:var(--text-2);font-size:10.5px;}
.silence-toggle{
  border:1px solid var(--border);background:var(--bg-3);color:var(--text-1);
  border-radius:5px;font-size:10px;padding:4px 8px;cursor:pointer;font-weight:500;
  transition:background .14s var(--ease),border-color .14s var(--ease);
}
.silence-toggle:hover{background:var(--bg-4);border-color:#4a4a52;}

/* timeline */
.timeline-area{flex:0 0 auto;height:190px;background:var(--bg-1);border-top:1px solid var(--border-soft);display:flex;flex-direction:column;box-shadow:0 -6px 20px rgba(0,0,0,.25);}
.timeline-toolbar{
  height:34px;flex:0 0 auto;display:flex;align-items:center;gap:8px;padding:0 12px;
  border-bottom:1px solid var(--border-soft);
}
#zoom{width:110px;}
.timeline-hint{font-size:11px;color:var(--text-2);margin-left:8px;}
.timeline-scroll{flex:1;overflow-x:auto;overflow-y:hidden;position:relative;}
.timeline-ruler{
  height:20px;position:relative;border-bottom:1px solid var(--border-soft);
  background:var(--bg-1);
}
.ruler-tick{position:absolute;top:0;bottom:0;border-left:1px solid var(--border);font-size:9px;color:var(--text-2);padding-left:3px;padding-top:2px;white-space:nowrap;}
.timeline-track{
  position:relative;height:120px;margin:10px 0;
}
.playhead{
  position:absolute;top:0;bottom:0;width:2px;background:#ff5c5c;z-index:20;pointer-events:none;
  box-shadow:0 0 6px rgba(255,92,92,.6);
}
.playhead::before{
  content:"";position:absolute;top:-10px;left:-5px;border-width:6px 6px 0 6px;border-style:solid;
  border-color:#ff5c5c transparent transparent transparent;
}

.clip-block{
  position:absolute;top:0;height:100%;border-radius:8px;overflow:hidden;
  background:var(--bg-2);border:1.5px solid var(--border);cursor:grab;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);
  transition:border-color .14s var(--ease),box-shadow .14s var(--ease);
}
.clip-block:hover{border-color:#4a4a52;}
.clip-block.selected{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft),var(--shadow-sm);}
.clip-block.dragging{opacity:.6;cursor:grabbing;z-index:30;box-shadow:var(--shadow-md);}
.clip-header{
  height:17px;flex:0 0 auto;background:var(--bg-3);color:var(--text-1);font-size:9.5px;font-weight:500;
  display:flex;align-items:center;padding:0 6px;gap:4px;overflow:hidden;white-space:nowrap;
}
.clip-header .mute-flag{color:var(--danger);display:inline-flex;flex:0 0 auto;}
.clip-header .mute-flag svg{width:10px;height:10px;}
.clip-name-text{overflow:hidden;text-overflow:ellipsis;}
.clip-wave{flex:1;position:relative;min-height:0;}
.clip-wave canvas{width:100%;height:100%;display:block;}
.silence-overlay{
  position:absolute;top:0;bottom:0;background:rgba(255,180,84,.28);border-left:1px solid rgba(255,180,84,.55);border-right:1px solid rgba(255,180,84,.55);
  cursor:pointer;transition:background .14s var(--ease);
}
.silence-overlay.ignored{background:rgba(140,140,150,.15);border-color:rgba(140,140,150,.3);}
.silence-overlay:hover{background:rgba(255,180,84,.42);}
.clip-mute-overlay{position:absolute;inset:0;background:repeating-linear-gradient(45deg, rgba(255,92,92,.12) 0 6px, transparent 6px 12px);pointer-events:none;}
.resize-handle{
  position:absolute;top:0;bottom:0;width:6px;cursor:ew-resize;z-index:5;
}
.resize-handle.left{left:0;}
.resize-handle.right{right:0;}

/* export overlay */
.export-overlay{
  position:fixed;inset:0;background:rgba(10,10,12,.72);display:flex;align-items:center;justify-content:center;z-index:100;
  backdrop-filter:blur(3px);
}
.export-card{
  width:340px;background:var(--bg-1);border:1px solid var(--border);border-radius:14px;padding:26px;text-align:center;
}
.export-card h3{margin:0 0 16px;font-size:15px;}
.progress-bar{height:8px;background:var(--bg-3);border-radius:20px;overflow:hidden;margin-bottom:12px;}
.progress-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--accent),#a78bfa);transition:width .2s;}
#export-status{font-size:12.5px;color:var(--text-2);margin:0 0 14px;}

/* toast */
.toast{
  position:fixed;bottom:20px;left:50%;transform:translateX(-50%);
  background:var(--bg-3);border:1px solid var(--border);color:var(--text-0);
  padding:10px 18px;border-radius:8px;font-size:13px;z-index:200;box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.toast.error{border-color:var(--danger);color:#ffb0b0;}
.toast.success{border-color:var(--ok);color:#b8f5cf;}

::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:var(--bg-4);border-radius:20px;border:2px solid var(--bg-1);}
::-webkit-scrollbar-thumb:hover{background:#45454c;}