/* IntraPortal — minimal styles */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:#0f1117;color:#c9d1d9;font-size:15px}

/* Login */
.login-shell{display:flex;justify-content:center;align-items:center;min-height:100vh}
.login-card{background:#161b22;border:1px solid #30363d;border-radius:10px;padding:40px;width:340px}
.login-card h1{font-size:1.6rem;margin-bottom:4px}
.login-card .sub{color:#8b949e;margin-bottom:24px}
.login-card label{display:block;font-size:0.85rem;color:#8b949e;margin:14px 0 4px}
.login-card input{width:100%;padding:9px 12px;background:#0d1117;border:1px solid #30363d;border-radius:6px;color:#c9d1d9;font-size:14px}
.login-card button{margin-top:20px;width:100%;padding:10px;background:#238636;border:none;border-radius:6px;color:#fff;font-weight:600;cursor:pointer}
.login-card button:hover{background:#2ea043}

/* Portal */
.portal-shell{display:flex;min-height:100vh}
.sidebar{width:220px;background:#161b22;border-right:1px solid #30363d;display:flex;flex-direction:column;padding:20px 0}
.sidebar .brand{padding:0 20px 20px;font-weight:700;font-size:1.1rem;border-bottom:1px solid #30363d}
.sidebar nav{flex:1;padding:12px 0}
.sidebar nav a{display:block;padding:9px 20px;color:#8b949e;text-decoration:none;font-size:0.9rem}
.sidebar nav a:hover,.sidebar nav a.active{background:#21262d;color:#c9d1d9}
.sidebar-footer{padding:16px 20px;border-top:1px solid #30363d;font-size:0.8rem;color:#8b949e}
.sidebar-footer a{color:#58a6ff;text-decoration:none}
.content{flex:1;padding:32px}
.content h2{margin-bottom:16px;font-size:1.3rem}

/* Components */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}
.info-card{background:#21262d;border:1px solid #30363d;border-radius:8px;padding:20px;text-align:center}
.info-card .num{font-size:2rem;font-weight:700;color:#58a6ff}
.notice{background:#1c2128;border:1px solid #d29922;border-radius:6px;padding:12px 16px;color:#d29922;margin-top:16px;font-size:0.88rem}
.input-row{display:flex;gap:8px;margin:12px 0}
.input-row input{flex:1;padding:8px 12px;background:#0d1117;border:1px solid #30363d;border-radius:6px;color:#c9d1d9}
.input-row button,.content button{padding:8px 18px;background:#238636;border:none;border-radius:6px;color:#fff;cursor:pointer;font-weight:600}
.terminal{background:#0d1117;border:1px solid #30363d;border-radius:6px;padding:16px;font-family:monospace;font-size:0.85rem;white-space:pre-wrap;margin-top:12px;max-height:400px;overflow-y:auto}
.config-table{width:100%;border-collapse:collapse;margin-top:8px}
.config-table th,.config-table td{padding:10px 14px;border-bottom:1px solid #21262d;font-size:0.9rem}
.config-table th{background:#21262d;font-weight:600;text-align:left}
.config-table code{background:#21262d;padding:2px 6px;border-radius:4px;font-size:0.85rem}
.err{background:#1c1217;border:1px solid #f85149;border-radius:6px;padding:10px 14px;color:#f85149;margin-bottom:12px;font-size:0.88rem}
.success{background:#0d1f0d;border:1px solid #3fb950;border-radius:6px;padding:10px 14px;color:#3fb950;margin-bottom:12px;font-size:0.88rem}
.hint{color:#8b949e;font-size:0.82rem;margin-top:8px}