*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f2f2f2;color:#1a1a1a;-webkit-font-smoothing:antialiased}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}.login-card{background:#fff;border-radius:12px;box-shadow:0 2px 12px #0000001a;padding:48px 40px;width:100%;max-width:420px;display:flex;flex-direction:column;align-items:center}.login-logo{width:80px;height:80px;object-fit:contain;margin-bottom:16px}.login-title{font-size:24px;font-weight:700;margin-bottom:4px}.login-subtitle{font-size:14px;color:#888;margin-bottom:32px}.login-label{align-self:stretch;font-size:13px;font-weight:600;margin-bottom:6px;color:#555}.login-input{align-self:stretch;padding:12px 14px;border:1px solid #ddd;border-radius:8px;font-size:15px;margin-bottom:16px;outline:none;transition:border-color .2s}.login-input:focus{border-color:#1a1a1a}.login-password-wrap{align-self:stretch;position:relative}.login-password-input{width:100%;padding-right:44px}.login-password-toggle{position:absolute;right:10px;top:50%;transform:translateY(calc(-50% - 8px));background:none;border:none;cursor:pointer;font-size:18px;padding:4px;line-height:1}.login-check{align-self:stretch;display:flex;align-items:center;gap:8px;font-size:14px;margin-bottom:16px;cursor:pointer}.login-error{align-self:stretch;background:#fff0f0;color:#c00;border:1px solid #ffcccc;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:16px}.login-button{align-self:stretch;padding:14px;background:#1a1a1a;color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:background .2s}.login-button:hover:not(:disabled){background:#333}.login-button:disabled{background:#666;cursor:not-allowed}.login-lang{position:relative;margin-top:24px}.login-lang-trigger{display:flex;align-items:center;gap:10px;padding:10px 16px;border:1px solid #ddd;border-radius:10px;background:#fff;font-size:14px;cursor:pointer;color:#1a1a1a;transition:border-color .2s}.login-lang-trigger:hover{border-color:#999}.login-lang-flag{width:24px;height:16px;object-fit:cover;border-radius:2px}.login-lang-arrow{font-size:10px;color:#999;margin-left:4px}.login-lang-dropdown{position:absolute;top:calc(100% + 4px);left:50%;transform:translate(-50%);background:#fff;border-radius:10px;box-shadow:0 4px 16px #00000026;min-width:180px;overflow:hidden;z-index:10}.login-lang-option{display:flex;align-items:center;gap:10px;width:100%;padding:14px 20px;border:none;background:transparent;font-size:14px;cursor:pointer;color:#1a1a1a;transition:background .15s}.login-lang-option:hover{background:#f5f5f5}.login-lang-option.selected{background:#f0f0f0}.login-lang-check{margin-left:auto;color:#1a1a1a;font-weight:600}.layout{display:flex;min-height:100vh}.sidebar{width:240px;background:#1a1a1a;color:#fff;display:flex;flex-direction:column;padding:24px 0;flex-shrink:0}.sidebar-header{display:flex;align-items:center;gap:12px;padding:0 20px 24px;border-bottom:1px solid #333}.sidebar-logo{width:36px;height:36px;object-fit:contain}.sidebar-title{font-size:16px;font-weight:700}.sidebar-nav{display:flex;flex-direction:column;padding:16px 0;flex:1}.sidebar-link{display:block;padding:12px 24px;color:#aaa;text-decoration:none;font-size:14px;transition:all .15s}.sidebar-link:hover{color:#fff;background:#ffffff14}.sidebar-link.active{color:#fff;background:#ffffff1f;border-left:3px solid #fff;padding-left:21px}.sidebar-logout{margin:0 20px;padding:10px;border:1px solid #555;border-radius:8px;background:transparent;color:#aaa;font-size:14px;cursor:pointer;transition:all .15s}.sidebar-logout:hover{color:#fff;border-color:#999}.layout-main{flex:1;padding:32px 40px}.home{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh}.home h1{font-size:28px;font-weight:700;margin-bottom:8px}.home-subtitle{font-size:16px;color:#777}