:root{--primary:#2563eb;--primary-hover:#1d4ed8;--bg-page:#f1f5f9;--bg-card:#fff;--text-main:#1e293b;--text-muted:#64748b;--border-color:#cbd5e1;--sidebar-bg:#0f172a;--error:#ef4444;--success:#22c55e;--sidebar-width:260px}[data-theme=dark]{--bg-page:#020617;--bg-card:#1e293b;--text-main:#f8fafc;--text-muted:#94a3b8;--border-color:#334155;--sidebar-bg:#000;--primary:#3b82f6}[data-theme=warm]{--bg-page:#fdfaf6;--bg-card:#fff;--text-main:#432818;--text-muted:#99582a;--border-color:#e6ccb2;--sidebar-bg:#432818;--primary:#bb9457}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-page);color:var(--text-main);font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;transition:all .3s}button{cursor:pointer;border:none;border-radius:6px;font-weight:500;transition:all .2s}input{border:1px solid var(--border-color);background-color:var(--bg-card);width:100%;color:var(--text-main);border-radius:6px;padding:10px 12px;font-size:14px}input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px #2563eb1a}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:24px;box-shadow:0 1px 3px #0000001a}.app-container{min-height:100vh;display:flex}.main-content{flex:1;padding:32px;overflow-y:auto}