:root{--bg-primary: #0b1220;--bg-secondary: #1a2332;--bg-tertiary: #243044;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #38bdf8;--accent-hover: #0ea5e9;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--border: #334155;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--header-height: 64px;--sidebar-width: 280px;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}a{color:var(--accent);text-decoration:none;transition:color .2s}a:hover{color:var(--accent-hover)}code,pre{font-family:var(--font-mono)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{width:18px;height:18px}.btn-primary{background:var(--accent);color:var(--bg-primary)}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-secondary);border-color:var(--accent)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){filter:brightness(1.1)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){filter:brightness(1.1)}.form-group{margin-bottom:20px}.form-label{display:block;margin-bottom:8px;font-size:14px;font-weight:500;color:var(--text-secondary)}.form-input{width:100%;padding:12px 16px;font-size:14px;color:var(--text-primary);background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color .2s,box-shadow .2s}.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #38bdf81a}.form-input::placeholder{color:var(--text-muted)}.form-error{margin-top:6px;font-size:12px;color:var(--danger)}.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border)}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--text-muted)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:8px}.gap-2{gap:16px}.gap-3{gap:24px}