:root{--df-bg-primary:#0a0a0f;--df-bg-secondary:#111118;--df-bg-tertiary:#1a1a24;--df-bg-elevated:#22222e;--df-bg-hover:#2a2a38;--df-border:#2a2a3a;--df-border-subtle:#1e1e2e;--df-border-focus:#6366f1;--df-text-primary:#f0f0f5;--df-text-secondary:#9898aa;--df-text-muted:#5a5a6e;--df-accent:#6366f1;--df-accent-hover:#7c7ff7;--df-accent-muted:#6366f126;--df-accent-glow:#6366f140;--df-success:#22c55e;--df-warning:#eab308;--df-error:#ef4444;--df-info:#3b82f6;--df-gradient-accent:linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);--df-gradient-dark:linear-gradient(180deg, #111118 0%, #0a0a0f 100%);--df-font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--df-font-mono:"JetBrains Mono", "Fira Code", monospace;--df-radius-sm:6px;--df-radius-md:10px;--df-radius-lg:14px;--df-radius-xl:20px;--df-transition-fast:.12s ease;--df-transition-normal:.2s ease;--df-transition-slow:.35s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{width:100%;height:100%;overflow:hidden}body{font-family:var(--df-font-sans);background:var(--df-bg-primary);color:var(--df-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--df-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--df-text-muted)}::selection{background:var(--df-accent-muted);color:var(--df-text-primary)}.app-layout{grid-template-rows:48px 1fr;grid-template-columns:1fr 380px;gap:0;height:100%;display:grid}.app-header{background:var(--df-bg-secondary);border-bottom:1px solid var(--df-border-subtle);z-index:10;grid-column:1/-1;justify-content:space-between;align-items:center;padding:0 16px;display:flex}.app-main{background:var(--df-bg-primary);flex-direction:column;display:flex;overflow:hidden}.app-sidebar{background:var(--df-bg-secondary);border-left:1px solid var(--df-border-subtle);flex-direction:column;display:flex;overflow:hidden}h1,h2,h3,h4,h5,h6{letter-spacing:-.01em;font-weight:600}.text-xs{font-size:11px;line-height:1.4}.text-sm{font-size:13px;line-height:1.5}.text-base{font-size:14px;line-height:1.5}.text-lg{font-size:16px;line-height:1.5}.text-xl{font-size:20px;line-height:1.3}.text-muted{color:var(--df-text-muted)}.text-secondary{color:var(--df-text-secondary)}.text-accent{color:var(--df-accent)}.text-mono{font-family:var(--df-font-mono)}.btn{border-radius:var(--df-radius-sm);font-family:var(--df-font-sans);cursor:pointer;transition:all var(--df-transition-fast);white-space:nowrap;-webkit-user-select:none;user-select:none;border:none;outline:none;justify-content:center;align-items:center;gap:8px;padding:8px 16px;font-size:13px;font-weight:500;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--df-accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--df-accent-hover);box-shadow:0 0 20px var(--df-accent-glow)}.btn-secondary{background:var(--df-bg-elevated);color:var(--df-text-primary);border:1px solid var(--df-border)}.btn-secondary:hover:not(:disabled){background:var(--df-bg-hover);border-color:var(--df-text-muted)}.btn-ghost{color:var(--df-text-secondary);background:0 0}.btn-ghost:hover:not(:disabled){background:var(--df-bg-hover);color:var(--df-text-primary)}.btn-icon{width:32px;height:32px;padding:6px}.btn-sm{padding:4px 10px;font-size:12px}.btn-lg{padding:12px 24px;font-size:15px}.input{background:var(--df-bg-tertiary);border:1px solid var(--df-border);border-radius:var(--df-radius-sm);color:var(--df-text-primary);font-family:var(--df-font-sans);transition:border-color var(--df-transition-fast);outline:none;width:100%;padding:8px 12px;font-size:13px}.input:focus{border-color:var(--df-accent);box-shadow:0 0 0 3px var(--df-accent-muted)}.input::placeholder{color:var(--df-text-muted)}textarea.input{resize:vertical;min-height:60px}select.input{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239898aa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;padding-right:30px}.card{background:var(--df-bg-secondary);border:1px solid var(--df-border-subtle);border-radius:var(--df-radius-md);padding:16px}.card-hover:hover{border-color:var(--df-border);background:var(--df-bg-tertiary)}.badge{letter-spacing:.02em;border-radius:100px;align-items:center;padding:2px 8px;font-size:11px;font-weight:500;display:inline-flex}.badge-accent{background:var(--df-accent-muted);color:var(--df-accent)}.badge-success{color:var(--df-success);background:#22c55e26}.badge-warning{color:var(--df-warning);background:#eab30826}.badge-error{color:var(--df-error);background:#ef444426}.progress-bar{background:var(--df-bg-tertiary);border-radius:2px;height:4px;overflow:hidden}.progress-bar-fill{background:var(--df-gradient-accent);height:100%;transition:width var(--df-transition-normal);border-radius:2px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn var(--df-transition-normal) ease}.animate-slide-up{animation:slideUp var(--df-transition-slow) ease}.animate-pulse{animation:1.5s ease-in-out infinite pulse}.animate-spin{animation:1s linear infinite spin}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.flex-1{flex:1}.overflow-hidden{overflow:hidden}.overflow-auto{overflow:auto}.w-full{width:100%}.h-full{height:100%}.p-2{padding:8px}.p-3{padding:12px}.p-4{padding:16px}.px-3{padding-left:12px;padding-right:12px}.py-2{padding-top:8px;padding-bottom:8px}.mt-2{margin-top:8px}.mt-3{margin-top:12px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.relative{position:relative}.absolute{position:absolute}.hidden{display:none}.spinner{border:2px solid var(--df-border);border-top-color:var(--df-accent);border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}.upload-zone{border:2px dashed var(--df-border);border-radius:var(--df-radius-lg);text-align:center;cursor:pointer;transition:all var(--df-transition-normal);background:var(--df-bg-secondary);padding:48px 32px}.upload-zone:hover{border-color:var(--df-accent);background:var(--df-accent-muted)}.upload-zone.dragging{border-color:var(--df-accent);background:var(--df-accent-muted);box-shadow:0 0 30px var(--df-accent-glow)}.toast-container{z-index:100;pointer-events:none;flex-direction:column;gap:8px;display:flex;position:fixed;top:60px;right:16px}.toast{pointer-events:auto;background:var(--df-bg-elevated);border:1px solid var(--df-border);border-radius:var(--df-radius-md);max-width:360px;animation:slideUp var(--df-transition-slow) ease;padding:12px 16px;font-size:13px;box-shadow:0 8px 32px #0006}.toast-error{border-left:3px solid var(--df-error)}.toast-success{border-left:3px solid var(--df-success)}.toast-warning{border-left:3px solid var(--df-warning)}.toast-info{border-left:3px solid var(--df-info)}@media (max-width:900px){.app-layout{grid-template-columns:1fr}.app-sidebar{z-index:20;width:100%;max-width:380px;transition:transform var(--df-transition-slow);border-left:1px solid var(--df-border-subtle);position:fixed;top:48px;bottom:0;right:0;transform:translate(100%)}.app-sidebar.open{transform:translate(0)}}