:root {
    --amber-bg-start:#fef3c7;--amber-bg-end:#fde68a;--amber-border:#fbbf24;
    --amber-icon-start:#fbbf24;--amber-icon-end:#f59e0b;
    --amber-text-title:#78350f;--amber-text-body:#92400e;
    --amber-shadow-icon:rgba(251,191,36,0.3);
    --blue-bg-start:#dbeafe;--blue-bg-end:#bfdbfe;--blue-border:#3b82f6;
    --blue-icon-start:#3b82f6;--blue-icon-end:#2563eb;
    --blue-text-title:#1e40af;--blue-text-body:#1e3a8a;
    --blue-shadow-icon:rgba(59,130,246,0.3);
    --green-bg-start:#f0fdf4;--green-bg-end:#dcfce7;--green-border:#22c55e;
    --green-icon-start:#22c55e;--green-icon-end:#16a34a;
    --green-text-title:#065f46;--green-text-body:#047857;
    --green-shadow-icon:rgba(34,197,94,0.3);
    --pink-icon-start:#ec4899;--pink-icon-end:#db2777;--pink-shadow-icon:rgba(236,72,153,0.3);
    --purple-bg-start:#f5f3ff;--purple-bg-end:#ede9fe;--purple-border:#a855f7;
    --purple-icon-start:#a855f7;--purple-icon-end:#9333ea;
    --purple-text-title:#6b21a8;--purple-shadow:rgba(168,85,247,0.1);
    --orange-bg-start:#fff7ed;--orange-bg-end:#ffedd5;--orange-border:#f97316;
    --orange-icon-start:#f97316;--orange-icon-end:#ea580c;
    --orange-text-title:#7c2d12;--orange-text-body:#9a3412;
    --orange-shadow-icon:rgba(249,115,22,0.3);
    --red-bg-start:#fef2f2;--red-bg-end:#fee2e2;--red-border:#ef4444;
    --red-icon-start:#ef4444;--red-icon-end:#dc2626;
    --red-text-title:#7f1d1d;--red-text-body:#991b1b;
    --red-shadow:rgba(239,68,68,0.1);--red-shadow-icon:rgba(239,68,68,0.3);
    --fuchsia-bg-start:#fdf4ff;--fuchsia-bg-end:#fae8ff;--fuchsia-border:#d946ef;
    --fuchsia-icon-start:#d946ef;--fuchsia-icon-end:#c026d3;
    --fuchsia-text-title:#701a75;--fuchsia-text-body:#86198f;
    --fuchsia-shadow-icon:rgba(217,70,239,0.3);
    --cyan-bg-start:#ecfeff;--cyan-bg-end:#cffafe;--cyan-border:#06b6d4;
    --cyan-icon-start:#06b6d4;--cyan-icon-end:#0891b2;
    --cyan-text-title:#164e63;--cyan-text-body:#155e75;
    --cyan-shadow-icon:rgba(6,182,212,0.3);
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  body{
    font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
    min-height:100vh;display:flex;align-items:flex-start;justify-content:center;
    padding:20px;color:#1e293b;
    background:
      radial-gradient(circle at 15% 20%,var(--amber-bg-end) 0%,transparent 40%),
      radial-gradient(circle at 85% 15%,#fbcfe8 0%,transparent 40%),
      radial-gradient(circle at 20% 85%,var(--blue-bg-end) 0%,transparent 45%),
      radial-gradient(circle at 80% 80%,var(--purple-bg-end) 0%,transparent 45%),
      radial-gradient(circle at 50% 50%,var(--cyan-bg-end) 0%,transparent 60%),
      linear-gradient(135deg,#fffbeb 0%,#fef3c7 100%);
    background-attachment:fixed;
  }
  .container{
    width:100%;max-width:880px;background:#fff;border-radius:24px;
    box-shadow:0 25px 50px -12px rgba(168,85,247,0.25);
    border:1px solid rgba(168,85,247,0.1);overflow:hidden;
    animation:fadeIn 0.5s ease;
  }
  @keyframes fadeIn{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}
  @keyframes spin{to{transform:rotate(360deg);}}
  @keyframes toastIn{from{opacity:0;transform:translateX(100%) scale(0.9);}to{opacity:1;transform:translateX(0) scale(1);}}
  @keyframes toastOut{to{opacity:0;transform:translateX(100%) scale(0.9);max-height:0;}}
  @keyframes toastProgress{from{width:100%;}to{width:0%;}}
  .header{
    background:linear-gradient(135deg,var(--amber-icon-start) 0%,var(--orange-border) 20%,
      var(--pink-icon-start) 40%,var(--purple-icon-start) 60%,
      var(--blue-icon-start) 80%,var(--cyan-icon-start) 100%);
    padding:28px 40px 24px;text-align:center;position:relative;
  }
  .header::before{
    content:'';position:absolute;inset:0;
    background:radial-gradient(circle at 30% 50%,rgba(255,255,255,0.25),transparent 60%);
  }
  h1{font-size:26px;font-weight:800;color:#fff;margin-bottom:6px;position:relative;z-index:1;}
  .subtitle{color:rgba(255,255,255,0.95);font-size:13px;font-weight:600;position:relative;z-index:1;}
  .badge-version{
    display:inline-block;margin-top:8px;padding:4px 12px;
    background:rgba(255,255,255,0.25);border:1px solid rgba(255,255,255,0.4);
    border-radius:20px;font-size:11px;font-weight:800;color:#fff;
    letter-spacing:0.08em;position:relative;z-index:1;
  }
  .content{padding:28px 40px 36px;}
  #dropZone{
    display:flex;flex-direction:column;align-items:center;justify-content:center;
    padding:45px 30px;border:2px dashed var(--amber-border);border-radius:16px;
    background:linear-gradient(135deg,var(--amber-bg-start),var(--amber-bg-end));
    cursor:pointer;transition:all 0.3s ease;text-align:center;
  }
  #dropZone:hover,#dropZone.dragover{
    border-color:var(--amber-icon-end);transform:scale(1.01);
    box-shadow:0 8px 24px var(--amber-shadow-icon);
  }
  #dropZone svg{width:60px;height:60px;stroke:var(--amber-icon-end);margin-bottom:15px;}
  #dropZone p{color:var(--amber-text-title);font-size:16px;font-weight:700;margin-bottom:6px;}
  #dropZone small{color:var(--amber-text-body);font-size:13px;}
  #dropZone input[type="file"]{display:none;}
  #editor{display:none;}
  .settings-card{
    background:linear-gradient(135deg,var(--purple-bg-start),var(--purple-bg-end));
    border:1.5px solid var(--purple-border);border-radius:16px;
    padding:20px;margin-bottom:20px;
  }
  .settings-title{
    font-size:13px;font-weight:800;color:var(--purple-text-title);
    text-transform:uppercase;letter-spacing:0.08em;margin-bottom:14px;
  }
  .settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
  .form-group.full{grid-column:1 / -1;}
  .form-group label{display:block;font-size:12px;font-weight:700;color:var(--blue-text-title);margin-bottom:6px;}
  select,input[type="number"]{
    width:100%;padding:10px 14px;border:1.5px solid var(--blue-border);
    border-radius:10px;font-size:14px;font-family:inherit;
    color:var(--blue-text-body);background:#fff;outline:none;font-weight:600;
  }
  select:focus,input[type="number"]:focus{
    border-color:var(--blue-icon-end);box-shadow:0 0 0 3px var(--blue-shadow-icon);
  }
  input[type="range"]{
    width:100%;height:6px;border-radius:3px;
    background:linear-gradient(90deg,var(--green-bg-end),var(--green-border));
    -webkit-appearance:none;appearance:none;margin-top:6px;
  }
  input[type="range"]::-webkit-slider-thumb{
    -webkit-appearance:none;appearance:none;width:22px;height:22px;
    border-radius:50%;background:linear-gradient(135deg,var(--green-icon-start),var(--green-icon-end));
    cursor:pointer;border:2px solid #fff;box-shadow:0 2px 6px var(--green-shadow-icon);
  }
  input[type="range"]::-moz-range-thumb{
    width:22px;height:22px;border-radius:50%;
    background:linear-gradient(135deg,var(--green-icon-start),var(--green-icon-end));
    cursor:pointer;border:2px solid #fff;
  }
  .range-value{
    display:inline-block;background:linear-gradient(135deg,var(--green-bg-start),var(--green-bg-end));
    color:var(--green-text-title);font-weight:800;padding:2px 10px;
    border-radius:6px;font-size:12px;margin-left:6px;border:1px solid var(--green-border);
  }
  .quick-targets{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px;}
  .quick-targets button{
    flex:1;min-width:60px;padding:6px 10px;
    border:1.5px solid var(--orange-border);
    background:linear-gradient(135deg,#ffffff 0%,var(--orange-bg-start) 100%);
    border-radius:8px;font-size:12px;font-weight:700;
    color:var(--orange-text-body);cursor:pointer;font-family:inherit;
    transition:all 0.2s ease;
    display:flex;align-items:center;justify-content:center;gap:4px;
  }
  .quick-targets button:hover{
    background:linear-gradient(135deg,var(--orange-bg-start),var(--orange-bg-end));
    color:var(--orange-text-title);transform:translateY(-2px);
    box-shadow:0 4px 12px var(--orange-shadow-icon);
  }
  /* ACTIVE STATE: Tombol yang nilainya sedang aktif */
  .quick-targets button.active{
    background:linear-gradient(135deg,var(--green-icon-start) 0%,var(--green-icon-end) 100%);
    border-color:var(--green-icon-end);
    color:#ffffff;
    box-shadow:0 4px 12px var(--green-shadow-icon);
    transform:translateY(-1px);
  }
  .quick-targets button.active::before{
    content:'✓';
    font-size:11px;
    font-weight:900;
    display:inline-block;
  }
  .quick-targets button.active:hover{
    background:linear-gradient(135deg,var(--green-icon-start) 0%,var(--green-icon-end) 100%);
    color:#ffffff;
    box-shadow:0 6px 16px var(--green-shadow-icon);
  }
  .file-list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;flex-wrap:wrap;gap:8px;}
  .file-list-title{
    font-size:13px;font-weight:800;color:var(--cyan-text-title);
    text-transform:uppercase;letter-spacing:0.08em;
    display:flex;align-items:center;gap:8px;
  }
  .file-count{
    background:linear-gradient(135deg,var(--cyan-icon-start),var(--cyan-icon-end));
    color:#fff;font-size:11px;font-weight:800;padding:3px 10px;border-radius:20px;
  }
  .file-list-actions{display:flex;gap:6px;}
  .mini-btn{
    padding:6px 12px;border:1.5px solid var(--red-border);background:#fff;
    border-radius:8px;font-size:12px;font-weight:700;
    color:var(--red-text-body);cursor:pointer;font-family:inherit;
  }
  .mini-btn:hover{background:linear-gradient(135deg,var(--red-bg-start),var(--red-bg-end));color:var(--red-text-title);}
  .mini-btn.add{border-color:var(--green-border);color:var(--green-text-body);}
  .mini-btn.add:hover{background:linear-gradient(135deg,var(--green-bg-start),var(--green-bg-end));color:var(--green-text-title);}
  .file-list{display:flex;flex-direction:column;gap:10px;max-height:420px;overflow-y:auto;padding-right:4px;}
  .file-list::-webkit-scrollbar{width:8px;}
  .file-list::-webkit-scrollbar-track{background:var(--purple-bg-start);border-radius:4px;}
  .file-list::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--purple-icon-start),var(--purple-icon-end));border-radius:4px;}
  .file-item{
    display:flex;align-items:center;gap:12px;padding:12px;
    background:linear-gradient(135deg,#fff,var(--cyan-bg-start));
    border:1.5px solid var(--cyan-border);border-radius:12px;transition:all 0.2s ease;
  }
  .file-item:hover{transform:translateX(3px);box-shadow:0 6px 16px var(--cyan-shadow-icon);}
  .file-thumb{width:52px;height:52px;border-radius:8px;object-fit:cover;background:var(--purple-bg-start);border:1.5px solid var(--purple-border);flex-shrink:0;}
  .file-info{flex:1;min-width:0;}
  .file-name{font-size:13px;font-weight:700;color:var(--cyan-text-title);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:3px;}
  .file-meta{font-size:11px;color:var(--cyan-text-body);font-weight:600;display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
  .file-badge{display:inline-block;padding:2px 8px;border-radius:6px;font-size:10px;font-weight:800;}
  .badge-pending{background:linear-gradient(135deg,var(--amber-bg-start),var(--amber-bg-end));color:var(--amber-text-title);}
  .badge-processing{background:linear-gradient(135deg,var(--blue-bg-start),var(--blue-bg-end));color:var(--blue-text-title);}
  .badge-done{background:linear-gradient(135deg,var(--green-bg-start),var(--green-bg-end));color:var(--green-text-title);}
  .badge-error{background:linear-gradient(135deg,var(--red-bg-start),var(--red-bg-end));color:var(--red-text-title);}
  .file-remove{
    background:#fff;border:1.5px solid var(--red-border);color:var(--red-text-body);
    width:30px;height:30px;border-radius:8px;cursor:pointer;
    font-size:14px;font-weight:800;display:flex;align-items:center;justify-content:center;
    flex-shrink:0;transition:all 0.2s ease;
  }
  .file-remove:hover{background:linear-gradient(135deg,var(--red-bg-start),var(--red-bg-end));transform:scale(1.1) rotate(90deg);}
  .btn-row{display:flex;gap:12px;margin-top:20px;}
  .tool-btn{
    flex:1;padding:14px 24px;border:none;border-radius:12px;
    font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;
    transition:all 0.25s ease;
    background:linear-gradient(135deg,var(--pink-icon-start),#c026d3);
    color:#fff;box-shadow:0 4px 14px var(--pink-shadow-icon);
  }
  .tool-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 22px var(--fuchsia-shadow-icon);}
  .tool-btn:disabled{opacity:0.6;cursor:not-allowed;}
  .tool-btn.secondary{background:#fff;color:var(--red-text-body);border:1.5px solid var(--red-border);box-shadow:none;}
  .progress-wrap{
    margin-top:20px;padding:18px;
    background:linear-gradient(135deg,var(--fuchsia-bg-start),var(--fuchsia-bg-end));
    border:1.5px solid var(--fuchsia-border);border-radius:14px;display:none;
  }
  .progress-wrap.active{display:block;}
  .progress-info{
    display:flex;justify-content:space-between;align-items:center;
    margin-bottom:10px;font-size:13px;font-weight:700;
    color:var(--fuchsia-text-title);gap:10px;
  }
  .progress-info span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .progress-bar{height:10px;background:#fff;border-radius:5px;overflow:hidden;}
  .progress-fill{
    height:100%;
    background:linear-gradient(90deg,var(--pink-icon-start),var(--fuchsia-icon-start),var(--purple-icon-start));
    border-radius:5px;width:0%;transition:width 0.3s ease;
  }
  #result{margin-top:20px;}
  .tool-info{font-size:13px;color:var(--blue-text-body);text-align:center;margin:10px 0;line-height:1.6;font-weight:500;}
  .size-cmp{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0;}
  .size-card{border-radius:14px;padding:18px 12px;text-align:center;border:1.5px solid;}
  .size-card:nth-child(1){background:linear-gradient(135deg,var(--amber-bg-start),var(--amber-bg-end));border-color:var(--amber-border);}
  .size-card:nth-child(1) .big{color:var(--amber-text-title);}
  .size-card:nth-child(2){background:linear-gradient(135deg,var(--blue-bg-start),var(--blue-bg-end));border-color:var(--blue-border);}
  .size-card:nth-child(2) .big{color:var(--blue-text-title);}
  .size-card:nth-child(3){background:linear-gradient(135deg,var(--green-bg-start),var(--green-bg-end));border-color:var(--green-border);}
  .size-card:nth-child(3) .big{color:var(--green-text-title);}
  .size-card .lbl{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:0.08em;margin-bottom:8px;color:#475569;}
  .size-card .big{font-size:18px;font-weight:800;}
  #toastContainer{
    position:fixed;top:20px;right:20px;z-index:9999;
    display:flex;flex-direction:column;gap:10px;
    pointer-events:none;max-width:380px;width:calc(100% - 40px);
  }
  .toast{
    display:flex;align-items:flex-start;gap:12px;
    padding:14px 16px;border-radius:14px;background:#fff;
    box-shadow:0 10px 30px -8px rgba(0,0,0,0.2);
    border-left:4px solid #6b7280;pointer-events:auto;
    animation:toastIn 0.35s cubic-bezier(0.21,1.02,0.73,1);
    position:relative;overflow:hidden;min-width:260px;
  }
  .toast.removing{animation:toastOut 0.3s ease forwards;}
  .toast-icon{
    flex-shrink:0;width:36px;height:36px;border-radius:10px;
    display:flex;align-items:center;justify-content:center;
    font-size:18px;font-weight:800;color:#fff;
  }
  .toast-body{flex:1;min-width:0;}
  .toast-title{font-size:13px;font-weight:800;margin-bottom:2px;}
  .toast-message{font-size:12px;font-weight:500;line-height:1.5;}
  .toast-close{
    flex-shrink:0;width:22px;height:22px;border:none;background:transparent;
    cursor:pointer;border-radius:6px;color:#94a3b8;font-size:14px;font-weight:800;
  }
  .toast-close:hover{background:#f1f5f9;color:#475569;}
  .toast-progress{position:absolute;bottom:0;left:0;height:3px;background:currentColor;opacity:0.4;animation:toastProgress linear forwards;}
  .toast.success{border-left-color:var(--green-border);}
  .toast.success .toast-icon{background:linear-gradient(135deg,var(--green-icon-start),var(--green-icon-end));}
  .toast.success .toast-title{color:var(--green-text-title);}
  .toast.success .toast-message{color:var(--green-text-body);}
  .toast.error{border-left-color:var(--red-border);}
  .toast.error .toast-icon{background:linear-gradient(135deg,var(--red-icon-start),var(--red-icon-end));}
  .toast.error .toast-title{color:var(--red-text-title);}
  .toast.error .toast-message{color:var(--red-text-body);}
  .toast.warning{border-left-color:var(--amber-border);}
  .toast.warning .toast-icon{background:linear-gradient(135deg,var(--amber-icon-start),var(--amber-icon-end));}
  .toast.warning .toast-title{color:var(--amber-text-title);}
  .toast.warning .toast-message{color:var(--amber-text-body);}
  .toast.info{border-left-color:var(--blue-border);}
  .toast.info .toast-icon{background:linear-gradient(135deg,var(--blue-icon-start),var(--blue-icon-end));}
  .toast.info .toast-title{color:var(--blue-text-title);}
  .toast.info .toast-message{color:var(--blue-text-body);}
  .toast.loading{border-left-color:var(--fuchsia-border);}
  .toast.loading .toast-icon{background:linear-gradient(135deg,var(--fuchsia-icon-start),var(--fuchsia-icon-end));position:relative;font-size:0;}
  .toast.loading .toast-title{color:var(--fuchsia-text-title);}
  .toast.loading .toast-message{color:var(--fuchsia-text-body);}
  .toast.loading .toast-icon::after{
    content:'';position:absolute;width:16px;height:16px;
    border:2.5px solid rgba(255,255,255,0.4);border-top-color:#fff;
    border-radius:50%;animation:spin 0.8s linear infinite;
  }
  @media (max-width:640px){
    .container{border-radius:18px;}
    .header{padding:22px 24px 18px;}
    h1{font-size:20px;}
    .content{padding:22px 24px 28px;}
    .size-cmp{grid-template-columns:1fr;}
    .btn-row{flex-direction:column;}
    .settings-grid{grid-template-columns:1fr;}
  }
  @media (max-width:480px){
    #toastContainer{top:12px;right:12px;left:12px;width:auto;max-width:none;}
  }