*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Apple SD Gothic Neo,Noto Sans KR,sans-serif;color:#1f2328;background:#f6f8fa}.ii-app{min-height:100%;display:flex;flex-direction:column}.ii-content{flex:1;min-height:0}.ii-header{display:flex;align-items:center;gap:24px;padding:14px 24px;background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff}.ii-brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-size:18px;font-weight:700}.ii-logo{width:32px;height:32px;border-radius:8px;background:#ffffff2e;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}.ii-nav{display:flex;gap:18px;flex:1}.ii-nav a{color:#ffffffe0;text-decoration:none;font-size:14px;padding:6px 4px}.ii-nav a:hover{color:#fff}.ii-user{display:flex;align-items:center;gap:12px}.ii-user-name{font-size:13px;opacity:.9}.ii-user button,.ii-login-link{background:#ffffff26;color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:6px;padding:6px 14px;font-size:13px;cursor:pointer;text-decoration:none}.ii-user button:hover,.ii-login-link:hover{background:#ffffff40}.ii-landing{max-width:1080px;margin:0 auto;padding:56px 24px}.ii-hero{text-align:center;margin-bottom:48px}.ii-hero h1{font-size:30px;margin-bottom:14px;line-height:1.35}.ii-hero p{color:#57606a;font-size:16px;max-width:720px;margin:0 auto;line-height:1.6}.ii-cta{margin-top:28px}.ii-btn-primary{display:inline-block;padding:12px 28px;background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff;text-decoration:none;border-radius:8px;font-size:15px;font-weight:600;box-shadow:0 4px 14px #2563eb59}.ii-btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px #2563eb73}.ii-feature-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));margin-bottom:56px}.ii-feature-card{background:#fff;border-radius:12px;padding:22px;box-shadow:0 2px 8px #00000014;border-top:4px solid #1976d2;display:flex;flex-direction:column}.ii-feature-icon{font-size:28px;margin-bottom:10px}.ii-feature-card h3{margin:0 0 6px;font-size:16px}.ii-feature-card p{color:#57606a;font-size:13px;line-height:1.55;margin:0}.ii-footer-info{background:#fff;border-radius:12px;padding:28px;box-shadow:0 2px 8px #0000000d}.ii-footer-info h2{font-size:18px;margin-top:0;margin-bottom:14px}.ii-footer-info ol{color:#57606a;font-size:14px;line-height:1.8;padding-left:20px}.ii-login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#2563eb);padding:24px}.ii-login-card{width:100%;max-width:420px;background:#fff;border-radius:14px;box-shadow:0 20px 50px #0f172a40;padding:32px}.ii-login-brand{display:flex;align-items:center;gap:14px}.ii-login-logo{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}.ii-login-title{font-size:18px;font-weight:700;color:#0f172a}.ii-login-subtitle{font-size:12px;color:#64748b}.ii-login-form{margin-top:24px;display:flex;flex-direction:column;gap:10px}.ii-login-form label{font-size:12px;font-weight:600;color:#334155}.ii-login-form input{padding:11px 13px;border:1px solid #cbd5e1;border-radius:8px;font-size:14px;outline:none}.ii-login-form input:focus{border-color:#2563eb;box-shadow:0 0 0 3px #2563eb26}.ii-login-submit{margin-top:8px;width:100%;padding:12px 14px;background:#1e3a8a;color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}.ii-login-submit:disabled{opacity:.7;cursor:wait}.ii-login-error{margin-top:4px;padding:8px 12px;background:#fef2f2;color:#b91c1c;font-size:12px;border-radius:6px;border:1px solid #fecaca}.ii-login-divider{display:flex;align-items:center;gap:10px;margin:22px 0 14px}.ii-login-divider span:first-child,.ii-login-divider span:last-child{flex:1;height:1px;background:#e2e8f0}.ii-login-divider span:nth-child(2){font-size:11px;color:#94a3b8}.ii-google-slot{display:flex;justify-content:center;min-height:44px}.ii-login-hint{margin-top:10px;text-align:center;font-size:11px;color:#94a3b8}.ii-dashboard{display:grid;grid-template-columns:360px 1fr;height:calc(100vh - 60px)}.sidebar{border-right:1px solid #d0d7de;background:#fff;display:flex;flex-direction:column;min-height:0}.sidebar header{padding:16px;border-bottom:1px solid #d0d7de;display:flex;align-items:center;justify-content:space-between;gap:8px}.sidebar header h2{font-size:15px;margin:0}.sidebar header button{font-size:12px;padding:6px 10px;border:1px solid #d0d7de;background:#f6f8fa;border-radius:6px;cursor:pointer}.sidebar header button:disabled{opacity:.6;cursor:wait}.trip-list{flex:1;overflow:auto;padding:8px}.trip-card{padding:12px;border:1px solid #d0d7de;border-radius:8px;margin-bottom:8px;cursor:pointer;background:#fff}.trip-card.active{border-color:#0969da;background:#ddf4ff}.trip-card .title{font-size:14px;font-weight:600}.trip-card .meta{font-size:12px;color:#57606a;margin-top:4px;display:flex;flex-wrap:wrap;gap:6px 12px}.map-pane{position:relative}.map-pane .leaflet-container{width:100%;height:100%}.empty{padding:24px;color:#57606a;font-size:14px}.toast{position:absolute;top:12px;left:50%;transform:translate(-50%);background:#1f2328;color:#fff;padding:8px 14px;border-radius:6px;font-size:13px;z-index:1000}