:root{--color-bg: #ffffff;--color-bg-subtle: #fafafa;--color-bg-muted: #f5f5f5;--color-bg-hover: #f0f0f0;--color-border: #e8e8e8;--color-border-strong: #d0d0d0;--color-text: #111111;--color-text-secondary: #666666;--color-text-muted: #999999;--color-accent: #111111;--color-accent-hover: #333333;--color-danger: #dc2626;--color-success: #16a34a;--color-info: #2563eb;--radius: 10px;--radius-sm: 6px;--radius-lg: 14px;--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--sidebar-width: 220px;--shadow-sm: 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 2px 8px rgba(0,0,0,.06);--shadow-lg: 0 8px 24px rgba(0,0,0,.08);--transition: .15s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font);font-size:14px;line-height:1.5;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{font-family:var(--font);cursor:pointer;border:none;background:none}input,select,textarea{font-family:var(--font);font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);color:var(--color-text);font-size:13px;font-weight:500;line-height:1.4;transition:all var(--transition);white-space:nowrap}.btn:hover{background:var(--color-bg-muted);border-color:var(--color-border-strong)}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.btn-primary:hover{background:var(--color-accent-hover);border-color:var(--color-accent-hover)}.btn-sm{padding:5px 10px;font-size:12px}.btn-ghost{border-color:transparent;background:transparent}.btn-ghost:hover{background:var(--color-bg-muted);border-color:transparent}.input{width:100%;padding:9px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg);color:var(--color-text);outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #1111110f}.input::placeholder{color:var(--color-text-muted)}.card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;transition:border-color var(--transition),box-shadow var(--transition)}.card-hover:hover{border-color:var(--color-border-strong);box-shadow:var(--shadow-sm)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:100px;font-size:11px;font-weight:500;letter-spacing:.01em}.badge-success{background:#ecfdf5;color:var(--color-success)}.badge-info{background:#eff6ff;color:var(--color-info)}.badge-muted{background:var(--color-bg-muted);color:var(--color-text-muted)}.label{display:block;font-size:12px;font-weight:500;color:var(--color-text-secondary);margin-bottom:4px}.section-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted)}.avatar{display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--color-accent);color:#fff;font-weight:600;flex-shrink:0}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-border-strong)}