:root{--sidebar-width:260px;--sidebar-collapsed-width:80px;--topbar-height:80px;--radius-lg:1.25rem;--radius-md:0.75rem;--radius-sm:0.5rem;--shadow-sm:0 1px 3px #0000001a;--shadow-md:0 10px 15px -3px #0000001a;--shadow-lg:0 20px 25px -5px #0000001a;--primary:#3b82f6;--primary-hover:#2563eb;--primary-light:#3b82f61a;--danger:#ef4444;--danger-light:#fef2f2;--success:#10b981;--warning:#f59e0b;--bg-app:#f1f5f9;--bg-surface:#fff;--bg-sidebar:#fff;--bg-sidebar-hover:#0000000a;--bg-topbar:#fff;--bg-explorer:#f8fafc;--bg-explorer-header:#00000008;--text-main:#1e293b;--text-muted:#64748b;--text-sidebar:#475569;--text-sidebar-active:var(--primary);--text-on-primary:#fff;--border-color:#e2e8f0;--border-explorer:#e2e8f0;--border-active:#3b82f6}[data-theme=dark]{--bg-app:#0f172a;--bg-surface:#1e293b;--bg-sidebar:#0f172a;--bg-sidebar-hover:#ffffff0d;--bg-topbar:#1e293b;--bg-explorer:#0f172a;--bg-explorer-header:#0003;--text-main:#f8fafc;--text-muted:#94a3b8;--text-sidebar:#94a3b8;--text-sidebar-active:#3b82f6;--text-on-primary:#fff;--border-color:#ffffff14;--border-explorer:#ffffff0d;--border-active:#3b82f6;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 10px 15px -3px #0006}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;color:var(--text-main);background-color:var(--bg-app);line-height:1.5;-webkit-font-smoothing:antialiased}.login-container{display:flex;min-height:100vh}.login-left{flex:1;background:url(/assets/login-bg.png) no-repeat 50%;background-size:cover;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.login-left:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,#2563eb33,#1e293b66)}.login-right{width:100%;max-width:500px;background:var(--bg-app);display:flex;flex-direction:column;padding:3rem;justify-content:center;position:relative;box-shadow:-10px 0 30px #0000000d}@media (max-width:768px){.login-left{display:none}.login-right{max-width:100%}}.btn-primary{background:var(--primary);color:var(--text-on-primary);padding:.65rem 1.5rem;border-radius:var(--radius-md);border:none;font-weight:600;display:flex;align-items:center;grid-gap:.8rem;gap:.8rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px var(--primary-light)}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px var(--primary-light)}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.btn-secondary{background:var(--bg-sidebar-hover);color:var(--text-main);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:.65rem 1.5rem;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s;display:flex;align-items:center;grid-gap:.5rem;gap:.5rem}.btn-secondary:hover{background:var(--border-color);border-color:var(--text-muted)}.btn-outline{background:#0000;border:1px solid var(--border-color);color:var(--text-main);padding:.65rem 1.5rem;border-radius:var(--radius-md);font-weight:600;display:flex;align-items:center;grid-gap:.6rem;gap:.6rem;cursor:pointer;transition:all .2s}.btn-outline:hover{background:var(--bg-sidebar-hover);border-color:var(--primary);color:var(--primary)}.btn-sm{padding:.5rem .75rem;font-size:.8rem;display:flex;align-items:center;grid-gap:.5rem;gap:.5rem;border-radius:6px;cursor:pointer;border:none;font-weight:600;transition:all .2s}.btn-sm.btn-primary{background:var(--primary);color:#fff}.btn-sm.btn-outline{background:#0000;border:1px solid var(--border-color);color:var(--text-main)}.btn-sm.btn-danger{background:var(--danger);color:#fff}.btn-sm:hover{opacity:.9;transform:translateY(-1px)}.btn-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--border-color);background:var(--bg-surface);color:var(--text-main);cursor:pointer;transition:all .2s ease;outline:none}.btn-icon .material-icons{color:inherit;font-size:24px}.btn-icon:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary);transform:translateY(-2px)}.btn-text-icon{display:flex;align-items:center;grid-gap:8px;gap:8px;padding:8px 16px;border-radius:8px;background:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-main);font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s}.btn-text-icon:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}