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#fef3c7;--error: #ef4444;--error-light: #fee2e2;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px -1px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -2px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1);--radius-sm: 6px;--radius: 8px;--radius-lg: 12px;--transition: all .2s ease}body.dark-mode{--bg: #0f172a;--bg-secondary: #1e293b;--white: #1e293b;--black: #0f172a;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--border: #334155;--border-light: #1e293b;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .3);--shadow: 0 1px 3px 0 rgba(0, 0, 0, .3), 0 1px 2px -1px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -2px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -4px rgba(0, 0, 0, .3)}body.dark-mode{color:var(--text-primary);background:var(--bg)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-primary);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:24px 32px}.site-header{background:var(--white);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:1000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffffff2}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;max-width:var(--max-width);margin:0 auto}.header-inner a{color:var(--accent);text-decoration:none;font-weight:600;transition:var(--transition);position:relative}.header-inner a:hover{color:var(--accent-hover)}.header-inner a:after{content:"";position:absolute;width:0;height:2px;bottom:-4px;left:0;background-color:var(--accent);transition:width .3s ease}.header-inner a:hover:after{width:100%}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:700;line-height:1.3;margin-bottom:.75rem}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-bottom:1rem;color:var(--text-secondary)}.btn{background:var(--accent);color:var(--white);padding:10px 18px;border:none;border-radius:var(--radius-sm);cursor:pointer;font-weight:600;font-size:14px;transition:var(--transition);box-shadow:var(--shadow-sm);display:inline-flex;align-items:center;gap:6px;position:relative;overflow:hidden}.btn:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn:active{transform:translateY(0);box-shadow:var(--shadow-sm)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-link{background:none;border:none;color:var(--accent);cursor:pointer;font-weight:500;padding:6px 12px;border-radius:var(--radius-sm);transition:var(--transition);text-decoration:none}.btn-link:hover{background:var(--accent-light);color:var(--accent-hover)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary)}.btn-secondary:hover{background:var(--border)}.btn-success{background:var(--success)}.btn-success:hover{background:#059669}.btn-danger{background:var(--error)}.btn-danger:hover{background:#dc2626}.form{width:100%;max-width:480px;background:var(--white);padding:32px;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--border-light)}.form label{display:block;margin-bottom:8px;color:var(--text-primary);font-weight:500;font-size:14px}.form input,.form textarea,.form select{width:100%;padding:12px 14px;border:2px solid var(--border);border-radius:var(--radius-sm);font-size:14px;transition:var(--transition);background:var(--white);color:var(--text-primary);font-family:inherit}.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.form input::placeholder,.form textarea::placeholder{color:var(--muted-light)}.form-group{margin-bottom:20px}.auth-page{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:40px 20px;background:linear-gradient(135deg,var(--bg) 0%,var(--bg-secondary) 100%)}.card{background:var(--white);padding:24px;border-radius:var(--radius-lg);box-shadow:var(--shadow);border:1px solid var(--border-light);transition:var(--transition)}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-header{border-bottom:1px solid var(--border-light);padding-bottom:12px;margin-bottom:16px}.card-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin:0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px;margin-top:24px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(400px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.task-item{padding:16px;transition:var(--transition)}.card.task-item{display:flex;justify-content:space-between;align-items:center}.error{color:var(--error);margin-top:8px;font-size:14px;display:flex;align-items:center;gap:6px}.success{color:var(--success);margin-top:8px;font-size:14px}.warning{color:var(--warning);margin-top:8px;font-size:14px}.muted{color:var(--muted);margin-top:8px;font-size:14px}.text-center{text-align:center}.text-small{font-size:13px}.text-large{font-size:18px}.badge{display:inline-block;padding:4px 10px;border-radius:12px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-primary{background:var(--accent-light);color:var(--accent)}.badge-success{background:var(--success-light);color:var(--success)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-error{background:var(--error-light);color:var(--error)}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.mb-4{margin-bottom:32px}.p-1{padding:8px}.p-2{padding:16px}.p-3{padding:24px}.p-4{padding:32px}.spinner{border:3px solid var(--border);border-top:3px solid var(--accent);border-radius:50%;width:40px;height:40px;animation:spin .8s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.divider{height:1px;background:var(--border);margin:24px 0}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--muted)}@media (max-width: 768px){.container{padding:16px 20px}.header-inner{padding:12px 20px}.grid,.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;gap:16px}.form{padding:24px;max-width:100%}h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}h4{font-size:1.25rem}.auth-page{padding:24px 16px}}@media (max-width: 480px){.container{padding:12px 16px}.btn{padding:8px 14px;font-size:13px}.card{padding:16px}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease-out}*:focus-visible{outline:2px solid var(--accent);outline-offset:2px}body.dark-mode .site-header{background:#1e293bf2;border-bottom-color:var(--border)}body.dark-mode .form{background:var(--white);border-color:var(--border)}body.dark-mode .form input,body.dark-mode .form textarea,body.dark-mode .form select{background:var(--bg);border-color:var(--border);color:var(--text-primary)}body.dark-mode .form input::placeholder,body.dark-mode .form textarea::placeholder{color:var(--muted-light)}body.dark-mode .form input:focus,body.dark-mode .form textarea:focus,body.dark-mode .form select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4a90e21a}body.dark-mode .card{background:var(--white);border-color:var(--border)}body.dark-mode .card:hover{box-shadow:var(--shadow-md)}body.dark-mode .card-header{border-bottom-color:var(--border)}body.dark-mode .auth-page{background:linear-gradient(135deg,var(--bg) 0%,var(--bg-secondary) 100%)}body.dark-mode button,body.dark-mode a{transition:var(--transition)}body.dark-mode .btn-secondary{background:var(--bg-secondary);color:var(--text-primary)}body.dark-mode .btn-secondary:hover{background:var(--border)}body.dark-mode .btn-link{color:var(--accent)}body.dark-mode .btn-link:hover{background:#4a90e21a}body.dark-mode ::-webkit-scrollbar-track{background:var(--bg)}body.dark-mode ::-webkit-scrollbar-thumb{background:var(--border)}body.dark-mode ::-webkit-scrollbar-thumb:hover{background:var(--muted)}