*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{color:#333;background:#f0f2f5;font-family:Meiryo,Hiragino Kaku Gothic ProN,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}:root{--brand:#6acedc;--brand-hover:#55bfd0;--brand-gradient:linear-gradient(to bottom, #5bc0de, #3aa8c9);--brand-dark:#2a8a9e;--sidebar-bg:#1e2a38;--sidebar-text:#c0c8d4;--sidebar-active:#6acedc;--text-main:#333;--text-sub:#888;--red:#e55;--green:#4caf50;--radius:8px}.karte-login-page{background:var(--sidebar-bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.karte-login-wrap{width:100%;max-width:400px}.karte-login-logo{text-align:center;margin-bottom:32px}.karte-login-brand{background:var(--brand-gradient);color:#fff;letter-spacing:1px;border-radius:6px;padding:8px 28px;font-size:22px;font-weight:700;display:inline-block}.karte-login-sub{color:#fff9;margin-top:8px;font-size:12px}.karte-login-card{border-radius:var(--radius);background:#fff;padding:32px 28px;box-shadow:0 4px 24px #0003}.karte-login-title{color:var(--text-main);text-align:center;margin-bottom:24px;font-size:18px;font-weight:700}.karte-form-group{margin-bottom:16px}.karte-form-group label{color:#555;margin-bottom:5px;font-size:12px;font-weight:700;display:block}.karte-form-group input{border:2px solid #ddd;border-radius:6px;outline:none;width:100%;padding:10px 12px;font-family:inherit;font-size:14px;transition:border-color .2s}.karte-form-group input:focus{border-color:var(--brand);box-shadow:0 0 0 3px #6acedc33}.karte-login-btn{background:var(--brand);color:#fff;cursor:pointer;border:none;border-radius:6px;width:100%;margin-top:8px;padding:12px;font-family:inherit;font-size:16px;font-weight:700;display:block}.karte-login-btn:hover{background:var(--brand-hover)}.karte-login-footer{text-align:center;color:#fff6;margin-top:16px;font-size:10px}.error-fallback{background:var(--sidebar-bg);justify-content:center;align-items:center;min-height:100vh;padding:24px 12px;display:flex}.error-fallback-card{border-radius:var(--radius);text-align:center;background:#fff;width:100%;max-width:420px;padding:32px 28px;box-shadow:0 4px 24px #0003}.error-fallback-title{color:var(--text-main);margin-bottom:16px;font-size:18px;font-weight:700}.error-fallback-msg{color:#666;margin-bottom:24px;font-size:14px;line-height:1.6}.error-fallback-btn{background:var(--brand);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:12px 32px;font-family:inherit;font-size:14px;font-weight:700;transition:background .2s;display:inline-block}.error-fallback-btn:hover{background:var(--brand-hover)}.ud-content{background:#f9fafb;justify-content:center;align-items:center;min-height:100vh;padding:24px;font-family:sans-serif;display:flex}.ud-card{text-align:center;background:#fff;border:1px solid #e5e7eb;border-radius:8px;width:100%;max-width:480px;padding:32px}.ud-title{color:var(--red,#e55);margin:0 0 16px;font-size:18px}.ud-message{color:var(--text-main,#333);margin:8px 0;font-size:14px;line-height:1.6}.ud-host{background:#f3f4f6;border-radius:4px;padding:2px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.ud-footer{color:var(--text-sub,#888);margin:24px 0 0;font-size:12px}