/* =====================================================================
   clipmusic — local MP4 + music mixer
   ===================================================================== */

:root{
  --bg:           #0a0c14;
  --bg-2:         #11141f;
  --bg-3:         #181c2a;
  --bg-4:         #20253a;
  --border:       #2a3047;
  --border-soft:  #1f243a;
  --border-strong:#3d4565;

  --ink:          #e8ecf8;
  --ink-soft:     #b0b8d4;
  --ink-mute:     #6d7794;
  --ink-dim:      #424b6a;

  /* Two accent colors — purple for clip side, mint for music side */
  --clip:         #ff8a4c;   /* warm orange for video */
  --clip-soft:    rgba(255,138,76,.12);
  --music:        #38d9a9;   /* mint green for music */
  --music-soft:   rgba(56,217,169,.12);
  --primary:      #7c5cff;   /* purple primary action */
  --primary-soft: rgba(124,92,255,.16);
  --primary-bright:#9b7dff;

  --green:        #38d9a9;
  --red:          #ff4d6d;
  --yellow:       #ffc44a;

  --sans: 'Inter','Segoe UI',system-ui,sans-serif;
  --mono: 'JetBrains Mono','SF Mono',Menlo,monospace;

  --r-sm: 6px;
  --r:    10px;
  --r-lg: 14px;
  --shadow: 0 8px 24px rgba(0,0,0,.4);
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(circle at 0% 0%,rgba(124,92,255,.08) 0%,transparent 50%),
    radial-gradient(circle at 100% 100%,rgba(56,217,169,.06) 0%,transparent 50%),
    var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:14px;
  line-height:1.55;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}

a{color:var(--primary-bright);text-decoration:none;transition:color .15s}
a:hover{color:#b39dff}

button{font-family:inherit;cursor:pointer;color:inherit;border:0;background:0}
input,textarea,select{font-family:inherit;color:inherit}
::selection{background:var(--primary);color:#fff}

/* =====================================================================
   Top bar
   ===================================================================== */
.top{
  display:flex;align-items:center;gap:20px;
  padding:18px 32px;
  border-bottom:1px solid var(--border-soft);
  background:rgba(10,12,20,.85);
  backdrop-filter:blur(12px);
  position:sticky;top:0;z-index:10;
}
.back-link{font-size:13px;color:var(--ink-mute)}
.back-link:hover{color:var(--ink)}
.brand{display:flex;align-items:center;gap:14px;flex:1}
.logo-mark{font-size:28px}
.brand h1{
  margin:0;font-size:22px;font-weight:800;letter-spacing:-.01em;
  background:linear-gradient(135deg,var(--primary-bright),var(--music));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.brand .tag{
  color:var(--ink-mute);font-size:13px;
  padding-left:14px;border-left:1px solid var(--border);
}
.ffmpeg-status{
  display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.05em;
  padding:6px 12px;
  background:var(--bg-3);border:1px solid var(--border);border-radius:99px;
  color:var(--ink-mute);
}
.ffmpeg-status .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--ink-dim);transition:background .25s,box-shadow .25s;
}
.ffmpeg-status.loading .dot{background:var(--yellow);box-shadow:0 0 8px var(--yellow);animation:pulse 1s infinite}
.ffmpeg-status.ready  .dot{background:var(--green);box-shadow:0 0 8px var(--green)}
.ffmpeg-status.error  .dot{background:var(--red);  box-shadow:0 0 8px var(--red)}
@keyframes pulse{50%{opacity:.5}}

/* =====================================================================
   App layout
   ===================================================================== */
.app{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:20px;
  padding:24px;
  max-width:1400px;
  margin:0 auto;
}
@media (max-width:880px){
  .app{grid-template-columns:1fr}
}

/* =====================================================================
   Assets sidebar
   ===================================================================== */
.assets{
  background:linear-gradient(180deg,var(--bg-2),var(--bg-3));
  border:1px solid var(--border-soft);border-radius:var(--r-lg);
  padding:18px;
  display:flex;flex-direction:column;gap:14px;
  height:fit-content;
  position:sticky;top:90px;
}
@media (max-width:880px){.assets{position:static}}

.section-head{
  display:flex;align-items:center;justify-content:space-between;
}
.section-head h2{
  margin:0;font-size:14px;font-weight:700;letter-spacing:.02em;
  display:flex;align-items:center;gap:8px;
}
#assetsCount{
  font-size:11px;padding:2px 8px;
  background:var(--music-soft);color:var(--music);
  border-radius:99px;font-weight:700;
}

.asset-add{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:18px 14px;
  background:rgba(56,217,169,.05);
  border:1.5px dashed rgba(56,217,169,.3);
  border-radius:var(--r);
  cursor:pointer;
  transition:all .25s;
  text-align:center;
}
.asset-add:hover{
  border-color:var(--music);
  background:rgba(56,217,169,.10);
}
.asset-add .ico{
  font-size:24px;color:var(--music);
  line-height:1;
}
.asset-add > span:nth-child(2){
  font-weight:600;font-size:13px;color:var(--ink);
}
.asset-add .hint{
  font-family:var(--mono);font-size:10px;letter-spacing:.05em;
  color:var(--ink-mute);text-transform:uppercase;
}

.asset-list{
  display:flex;flex-direction:column;gap:6px;
  max-height:50vh;overflow-y:auto;
  padding-right:4px;
}
.asset-list::-webkit-scrollbar{width:6px}
.asset-list::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}

.asset-row{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:8px;align-items:center;
  padding:8px 10px;
  background:var(--bg-3);
  border:1px solid var(--border-soft);
  border-radius:var(--r-sm);
  transition:border-color .15s;
}
.asset-row:hover{border-color:var(--music)}
.asset-row.selected{
  border-color:var(--music);
  background:var(--music-soft);
}
.asset-row .play-btn{
  width:26px;height:26px;border-radius:50%;
  background:var(--bg-4);color:var(--music);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;cursor:pointer;
  transition:all .15s;
  border:1px solid var(--border);
}
.asset-row .play-btn:hover{background:var(--music);color:#0a0c14}
.asset-row .play-btn.playing{background:var(--music);color:#0a0c14}
.asset-row .info{min-width:0}
.asset-row .name{
  font-size:12.5px;font-weight:600;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.asset-row .meta{
  font-family:var(--mono);font-size:10px;color:var(--ink-mute);
}
.asset-row .del-btn{
  width:24px;height:24px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-mute);font-size:12px;cursor:pointer;
  transition:all .15s;
}
.asset-row .del-btn:hover{background:rgba(255,77,109,.15);color:var(--red)}

.storage-info{font-size:10.5px;letter-spacing:.05em;line-height:1.5;opacity:.7}

/* =====================================================================
   Workspace
   ===================================================================== */
.workspace{display:flex;flex-direction:column;gap:16px}

.card{
  background:linear-gradient(180deg,var(--bg-2),var(--bg));
  border:1px solid var(--border-soft);
  border-radius:var(--r-lg);
  overflow:hidden;
}
.card-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;
  background:rgba(0,0,0,.2);
  border-bottom:1px solid var(--border-soft);
}
.card-head h3{
  margin:0;font-size:14px;font-weight:700;letter-spacing:.02em;
  display:flex;align-items:center;gap:8px;
}
.card-body{padding:20px}

.clip-card .card-head h3{color:var(--clip)}
.mix-card  .card-head h3{color:var(--music)}

/* Dropzone */
.dropzone{
  display:block;
  border:1.5px dashed var(--border);
  border-radius:var(--r);
  padding:50px 24px;
  text-align:center;cursor:pointer;
  background:linear-gradient(180deg,rgba(255,138,76,.04),transparent);
  transition:all .25s cubic-bezier(.34,1.56,.64,1);
}
.dropzone:hover{
  border-color:var(--clip);
  background:linear-gradient(180deg,rgba(255,138,76,.10),transparent);
}
.dropzone.over{
  border-color:var(--clip);border-style:solid;
  transform:scale(1.005);
  box-shadow:0 0 0 4px rgba(255,138,76,.12);
}
.dropzone .ico{
  display:block;font-size:42px;color:var(--clip);margin-bottom:10px;
  transition:transform .25s;
}
.dropzone:hover .ico{transform:translateY(-4px)}
.dropzone .dz-main{font-size:15px;font-weight:600;color:var(--ink)}
.dropzone .dz-hint{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.05em;
  color:var(--ink-mute);margin-top:8px;text-transform:uppercase;
}

.video-wrap{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.video-wrap video{
  width:100%;max-height:420px;border-radius:var(--r);
  background:#000;
  box-shadow:0 8px 24px rgba(0,0,0,.5);
}

/* Form fields */
.field{display:flex;flex-direction:column;gap:6px}
.field-label{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ink-mute);font-weight:700;
}
select,input[type="text"]{
  background:var(--bg-3);border:1.5px solid var(--border);
  color:var(--ink);
  padding:11px 14px;border-radius:var(--r-sm);
  font-size:14px;outline:none;
  transition:border-color .15s,background .15s,box-shadow .15s;
  font-family:inherit;
}
select{
  appearance:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%23b0b8d4' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;background-position:right 12px center;background-size:10px;
  padding-right:34px;cursor:pointer;
}
select:focus{
  border-color:var(--music);background:var(--bg-4);
  box-shadow:0 0 0 3px var(--music-soft);
}

.music-preview audio{
  width:100%;height:38px;
}

/* Volume slider */
.volume-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.volume-val{
  font-family:var(--mono);font-size:18px;font-weight:700;
  color:var(--music);
  background:var(--music-soft);
  padding:3px 12px;border-radius:99px;
  border:1px solid rgba(56,217,169,.3);
}

input[type="range"]{
  width:100%;-webkit-appearance:none;appearance:none;
  background:transparent;cursor:pointer;
  height:32px;
}
input[type="range"]::-webkit-slider-runnable-track{
  height:6px;border-radius:3px;
  background:linear-gradient(90deg,var(--music) var(--val,30%),var(--bg-4) var(--val,30%));
}
input[type="range"]::-moz-range-track{
  height:6px;border-radius:3px;background:var(--bg-4);
}
input[type="range"]::-moz-range-progress{
  height:6px;border-radius:3px;background:var(--music);
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;
  width:20px;height:20px;border-radius:50%;
  background:var(--music);
  border:3px solid var(--bg);
  margin-top:-7px;
  box-shadow:0 4px 12px rgba(56,217,169,.4);
  cursor:pointer;transition:transform .15s;
}
input[type="range"]:hover::-webkit-slider-thumb{transform:scale(1.15)}
input[type="range"]::-moz-range-thumb{
  width:18px;height:18px;border-radius:50%;
  background:var(--music);border:3px solid var(--bg);
  box-shadow:0 4px 12px rgba(56,217,169,.4);cursor:pointer;
}
.volume-marks{
  display:flex;justify-content:space-between;
  font-family:var(--mono);font-size:10px;color:var(--ink-mute);
  letter-spacing:.05em;text-transform:uppercase;margin-top:4px;
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;
  font-weight:600;font-size:14px;
  border-radius:var(--r-sm);
  cursor:pointer;text-decoration:none;
  transition:all .2s;font-family:inherit;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#5e3fd9);
  color:#fff;
  box-shadow:0 4px 14px rgba(124,92,255,.3);
}
.btn-primary:hover:not(:disabled){
  transform:translateY(-1px);
  box-shadow:0 6px 20px rgba(124,92,255,.5);
  color:#fff;
}
.btn-primary:active{transform:translateY(0)}
.btn-primary:disabled{
  opacity:.4;cursor:not-allowed;
  box-shadow:none;
}
.btn-ghost{
  background:transparent;color:var(--ink-soft);
  border:1px solid var(--border);
}
.btn-ghost:hover{background:var(--bg-3);color:var(--ink);border-color:var(--border-strong)}
.btn-sm{padding:7px 14px;font-size:12.5px}
.btn-ico{font-size:16px;line-height:1}

.export-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.export-hint{font-size:12px}

/* Progress */
.export-progress{
  margin-top:18px;padding:14px 16px;
  background:var(--bg-3);
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  animation:fadeUp .25s ease;
}
.progress-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.progress-label{font-size:13px;color:var(--ink-soft);font-weight:600}
.progress-pct{
  font-family:var(--mono);font-size:16px;font-weight:700;
  color:var(--primary-bright);
}
.progress-bar{
  height:7px;background:var(--bg);border-radius:99px;overflow:hidden;
  box-shadow:inset 0 1px 2px rgba(0,0,0,.4);
}
#progressFill{
  height:100%;width:0;
  background:linear-gradient(90deg,var(--primary),var(--music));
  border-radius:99px;
  transition:width .3s ease-out;
  box-shadow:0 0 10px rgba(124,92,255,.5);
}

.export-done{
  margin-top:18px;padding:24px;
  background:rgba(56,217,169,.08);
  border:1px solid rgba(56,217,169,.3);
  border-radius:var(--r);
  text-align:center;
  animation:fadeUp .3s cubic-bezier(.34,1.56,.64,1);
}
.done-icon{
  width:54px;height:54px;border-radius:50%;
  background:var(--music);color:#0a0c14;
  display:flex;align-items:center;justify-content:center;
  font-size:30px;font-weight:bold;margin:0 auto 10px;
  box-shadow:0 0 30px rgba(56,217,169,.5);
}
.done-text{
  font-size:18px;font-weight:700;color:var(--music);margin-bottom:14px;
}
.export-done .btn{margin:0 4px}

.export-error{
  margin-top:18px;padding:16px;
  background:rgba(255,77,109,.08);
  border:1px solid rgba(255,77,109,.3);
  border-radius:var(--r);
  text-align:center;
}
.error-icon{font-size:32px;color:var(--red);margin-bottom:6px}
.error-text{color:#ff9eaf;margin-bottom:10px;font-size:13px}

/* Log */
.log-card summary{
  padding:12px 20px;cursor:pointer;font-size:13px;color:var(--ink-mute);
  background:rgba(0,0,0,.2);
}
.log-card summary:hover{color:var(--ink)}
.log-card pre{
  margin:0;padding:14px 20px;
  background:#06080f;color:#7d8aa6;
  font-family:var(--mono);font-size:11px;line-height:1.55;
  max-height:240px;overflow:auto;
  white-space:pre-wrap;word-break:break-word;
}

@keyframes fadeUp{
  from{opacity:0;transform:translateY(6px)}
  to  {opacity:1;transform:translateY(0)}
}

.hidden{display:none!important}
.muted{color:var(--ink-mute)}
.mono{font-family:var(--mono)}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}