:root{--primary: #0071e3;--primary-hover: #0077ed;--secondary: #86868b;--success: #34c759;--danger: #ff3b30;--bg-app: #f5f5f7;--bg-card: #ffffff;--bg-input: #f5f5f7;--text-main: #1d1d1f;--text-muted: #86868b;--border: #d2d2d7;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .05), 0 10px 10px -5px rgba(0, 0, 0, .02);--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;font-family:var(--font-sans);line-height:1.47059;letter-spacing:-.022em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-main);min-height:100vh;font-size:15px}input,button,textarea,select{font-family:inherit;font-size:.9375rem}a{color:var(--primary);text-decoration:none}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d1d1d6;border-radius:5px;border:2px solid var(--bg-app)}::-webkit-scrollbar-thumb:hover{background:#aeaeb2}.layout{width:100%;height:100vh;display:flex;flex-direction:column;overflow:hidden;background-color:var(--bg-app)}.navbar{background:#ffffffb8;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:12px 32px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid 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var(--border);border-radius:var(--radius-md);padding:32px;text-align:center;color:var(--text-muted);cursor:pointer;transition:all .2s ease;background:var(--bg-input);display:flex;flex-direction:column;align-items:center;gap:12px}.upload-zone:hover{border-color:var(--primary);background:#0071e308;color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:99px;font-weight:500;font-size:.9rem;cursor:pointer;transition:all .2s cubic-bezier(.25,1,.5,1);border:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #0071e34d}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{background:#0000000d;color:var(--text-main)}.btn-secondary:hover{background:#00000014}.btn-success{background:var(--success);color:#fff}.btn-success:hover{box-shadow:0 4px 12px 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spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:1440px){.main-content{grid-template-columns:28% 1fr 24%}}@media(max-width:1200px){.main-content{grid-template-columns:350px 1fr;grid-template-rows:auto 1fr}.panel.history{grid-column:span 2;height:300px}}@media(max-width:768px){.layout{height:auto;overflow:visible}.main-content{display:flex;flex-direction:column;padding:16px}.navbar{padding:16px;flex-direction:column;align-items:stretch;gap:16px}.nav-controls{flex-direction:column;align-items:stretch}.control-group{justify-content:space-between}}