*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d0f14;--surface: #151821;--surface2: #1c202c;--border: #252a38;--border-light: #2e3448;--text: #e2e6f0;--text-muted: #7a8299;--text-dim: #4d5470;--accent: #f0b429;--accent-dim: rgba(240,180,41,.12);--green: #22c55e;--green-dim: rgba(34,197,94,.12);--red: #ef4444;--red-dim: rgba(239,68,68,.12);--amber: #f59e0b;--amber-dim: rgba(245,158,11,.12);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}html,body{height:100%}body{background:var(--bg);color:var(--text);min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.header-inner{max-width:1100px;margin:0 auto;padding:14px 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svg{width:15px;height:15px}.btn-download:hover:not(:disabled){color:var(--green);border-color:var(--green);background:var(--green-dim)}.btn-download:disabled{opacity:.5;cursor:not-allowed}.btn-download .spinner{width:13px;height:13px;border-color:var(--border);border-top-color:var(--text-muted)}.btn-clear{display:flex;align-items:center;gap:7px;background:var(--surface2);border:1px solid var(--border);color:var(--text-muted);border-radius:8px;padding:8px 14px;font-size:13px;font-weight:500;cursor:pointer;transition:color .15s,border-color .15s,background .15s;white-space:nowrap}.btn-clear svg{width:15px;height:15px}.btn-clear:hover:not(:disabled){color:var(--red);border-color:var(--red);background:var(--red-dim)}.btn-clear:disabled{opacity:.5;cursor:not-allowed}.main{max-width:1100px;margin:0 auto;padding:32px 24px 60px;width:100%;display:flex;flex-direction:column;gap:28px}.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden}.upload-zone{margin:20px;border:2px dashed var(--border-light);border-radius:12px;padding:40px 24px;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:border-color .2s,background .2s;-webkit-user-select:none;user-select:none;background:var(--surface2)}.upload-zone:hover:not(.disabled),.upload-zone.dragging{border-color:var(--accent);background:var(--accent-dim)}.upload-zone.disabled{opacity:.5;cursor:not-allowed}.upload-icon{color:var(--text-dim);margin-bottom:4px}.upload-icon svg{width:44px;height:44px}.upload-zone.dragging .upload-icon,.upload-zone:hover:not(.disabled) .upload-icon{color:var(--accent)}.upload-title{font-size:15px;font-weight:600;color:var(--text)}.upload-sub{font-size:12px;color:var(--text-muted)}.file-list-header{display:flex;align-items:center;justify-content:space-between;padding:0 20px 10px;font-size:13px;color:var(--text-muted);font-weight:500}.btn-ghost{background:none;border:none;color:var(--text-muted);font-size:12px;cursor:pointer;padding:3px 6px;border-radius:5px;transition:color .15s,background .15s}.btn-ghost:hover{color:var(--text);background:var(--surface2)}.file-scroll{display:flex;flex-direction:column;gap:2px;padding:0 20px;max-height:280px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.file-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;background:var(--surface2);border:1px solid var(--border);transition:border-color .15s}.file-item.ok{border-color:#22c55e4d}.file-item.err{border-color:#ef44444d}.file-info{display:flex;align-items:center;gap:10px;flex:1;min-width:0}.file-icon{width:18px;height:18px;color:var(--text-dim);flex-shrink:0}.file-item.ok .file-icon{color:var(--green)}.file-item.err 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slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.modal-icon{width:44px;height:44px;background:var(--amber-dim);border:1px solid rgba(245,158,11,.3);border-radius:12px;display:grid;place-items:center;color:var(--amber)}.modal-icon svg{width:22px;height:22px}.modal h3{font-size:17px;font-weight:700}.modal p{font-size:13.5px;color:var(--text-muted);line-height:1.6}.modal p strong{color:var(--text)}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}.btn-secondary{background:var(--surface2);border:1px solid var(--border);color:var(--text-muted);border-radius:8px;padding:9px 18px;font-size:13px;font-weight:500;cursor:pointer;transition:color .15s,border-color .15s}.btn-secondary:hover{color:var(--text);border-color:var(--border-light)}.btn-danger{background:var(--red);color:#fff;border:none;border-radius:8px;padding:9px 18px;font-size:13px;font-weight:700;cursor:pointer;transition:opacity .15s}.btn-danger:hover{opacity:.85}.toast-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:10px;z-index:300}.toast{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:12px 16px;font-size:13px;font-weight:500;min-width:260px;max-width:380px;box-shadow:0 8px 24px #0006;animation:slideUp .2s ease;border-left:3px solid var(--border)}.toast-success{border-left-color:var(--green)}.toast-error{border-left-color:var(--red)}.toast button{background:none;border:none;color:var(--text-dim);font-size:16px;cursor:pointer;padding:0 2px;line-height:1;flex-shrink:0}.toast button:hover{color:var(--text)}