:root{--bg-app: #f3f4f6;--bg-sidebar: #0f172a;--bg-card: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--text-sidebar: #94a3b8;--text-sidebar-hover: #ffffff;--border: #e2e8f0;--primary: #2563eb;--primary-hover: #1d4ed8;--success: #22c55e;--success-bg: #dcfce7;--success-text: #15803d;--danger: #ef4444;--radius: 12px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--header-height: 70px}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-app);color:var(--text-main);height:100vh;overflow:hidden}#app{height:100%;display:flex}.sidebar{width:260px;background-color:var(--bg-sidebar);color:var(--text-sidebar);display:flex;flex-direction:column;padding:20px 16px;flex-shrink:0;z-index:10}.logo{color:#fff;font-weight:700;font-size:1.25rem;margin-bottom:24px;padding-left:12px;display:flex;align-items:center;gap:8px}.user-profile{display:flex;align-items:center;gap:12px;margin-bottom:24px;padding:12px;background:#ffffff0d;border-radius:var(--radius)}.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:1rem}.user-info{flex:1;overflow:hidden}.user-name{color:#fff;font-weight:500;font-size:.9rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.btn-manage-user{background:transparent;border:1px solid rgba(255,255,255,.2);color:var(--text-sidebar);font-size:.75rem;padding:2px 8px;border-radius:4px;cursor:pointer;margin-top:4px}.btn-manage-user:hover{background:#ffffff1a;color:#fff}.sidebar-spacer{flex:1}.sidebar-bottom{margin-top:auto;display:flex;flex-direction:column;gap:12px}.credit-widget{background:#0003;border-radius:var(--radius);padding:12px;cursor:pointer;transition:background .2s}.credit-widget:hover{background:#0000004d}.credit-label{font-size:.75rem;margin-bottom:4px}.credit-value{color:#fff;font-weight:600;font-size:1.1rem}.btn-signout{display:flex;align-items:center;padding:10px 12px;border-radius:8px;color:#fca5a5;text-decoration:none;font-weight:500;font-size:.9rem;transition:all .2s;cursor:pointer;background:transparent;border:none;width:100%;text-align:left}.btn-signout:hover{background:#ef44441a}.main-wrapper{flex:1;display:flex;flex-direction:column;height:100%;overflow:hidden}.top-bar{height:var(--header-height);padding:0 32px;display:flex;align-items:center;justify-content:space-between;background:var(--bg-app);flex-shrink:0;border-bottom:1px solid rgba(0,0,0,.05)}.page-title{font-size:1.5rem;font-weight:700;display:flex;align-items:center;gap:16px}.btn-add-tunnel{background:var(--bg-card);color:var(--text-main);border:1px solid var(--border);border-radius:9999px;padding:8px 16px;font-weight:600;font-size:.9rem;cursor:pointer;display:flex;align-items:center;gap:8px;box-shadow:var(--shadow-sm);transition:all .2s}.btn-add-tunnel:hover{background:#f8fafc;transform:translateY(-1px);box-shadow:var(--shadow)}.content-area{flex:1;display:flex;overflow:hidden}.tunnel-list-panel{flex:1;min-width:320px;overflow-y:auto;padding:24px 32px;display:flex;flex-direction:column;gap:12px}.tunnel-details-panel{width:450px;background:#fff;border-left:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;padding:24px;flex-shrink:0}.tunnel-card{background:var(--bg-card);border-radius:var(--radius);padding:16px 20px;box-shadow:var(--shadow-sm);cursor:pointer;border:2px solid transparent;transition:all .2s}.tunnel-card:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.tunnel-card.selected{border-color:var(--primary);background:#eff6ff}.card-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.status-dot{width:10px;height:10px;border-radius:50%;background:var(--text-muted);flex-shrink:0}.status-dot.active{background:#22c55e;box-shadow:0 0 6px #22c55e66}.card-title{font-weight:600;font-size:1rem;color:var(--text-main);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.card-title b{font-weight:700}.card-metrics{display:flex;gap:16px;margin-left:22px;font-size:.85rem;color:var(--text-muted)}.card-metric{display:flex;align-items:center;gap:6px}.metric-val{font-weight:600;color:var(--text-main)}.details-header{margin-bottom:24px}.details-title{font-size:1.25rem;font-weight:700;margin:0 0 4px;word-break:break-all}.details-subtitle{color:var(--text-muted);font-size:.9rem;display:flex;align-items:center;gap:8px}.details-section{margin-bottom:32px}.section-title{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-weight:600;margin-bottom:12px}.code-block{background:#1e293b;color:#e2e8f0;padding:12px;border-radius:8px;font-family:monospace;font-size:.85rem;position:relative;word-break:break-all;white-space:pre-wrap}.copy-btn{position:absolute;top:8px;right:8px;background:#ffffff1a;border:none;color:#fff;border-radius:4px;padding:4px 8px;cursor:pointer;font-size:.75rem}.copy-btn:hover{background:#fff3}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.stat-box{background:#f8fafc;padding:12px;border-radius:8px;display:flex;flex-direction:column}.stat-label{font-size:.75rem;color:var(--text-muted);margin-bottom:4px;display:flex;align-items:center;gap:6px}.stat-value{font-size:1.1rem;font-weight:600}.download-list{display:flex;flex-direction:column;gap:8px}.download-item{display:flex;align-items:center;justify-content:space-between;padding:10px;border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:background .2s}.download-item:hover{background:#f8fafc}.download-name{font-weight:500;font-size:.9rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:8px;font-weight:500;cursor:pointer;border:1px solid var(--border);background:#fff;color:var(--text-main);font-size:.9rem;transition:all .2s;outline:none}.btn:hover{background:#f8fafc}.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn.primary:hover{background:var(--primary-hover)}.btn.danger{color:var(--danger);border-color:#fecaca;background:#fef2f2}.btn.danger:hover{background:#fee2e2}.btn.w-full{width:100%}.btn.sm{padding:4px 8px;font-size:.8rem}.input,.select{width:100%;padding:10px;border-radius:8px;border:1px solid var(--border);background:#fff;outline:none;font-size:.9rem}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;pointer-events:none;transition:opacity .2s;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-backdrop.open{opacity:1;pointer-events:auto}.modal{background:#fff;border-radius:var(--radius);width:90%;max-width:500px;box-shadow:var(--shadow);display:flex;flex-direction:column;max-height:90vh}.modal-header{padding:16px 24px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1.1rem}.modal-body{padding:24px;overflow-y:auto}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:12px}.mobile-only{display:none}@media(max-width:900px){.tunnel-details-panel{display:none;position:fixed;top:0;right:0;bottom:0;width:100%;max-width:400px;z-index:50;box-shadow:-4px 0 20px #0000001a}.tunnel-details-panel.open{display:flex}.mobile-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:40;display:none}.mobile-overlay.open{display:block}.mobile-close-btn{display:block;margin-bottom:16px}}@media(max-width:640px){#app{flex-direction:column;height:auto;overflow:auto}.sidebar{width:100%;height:auto}.content-area{flex-direction:column;overflow:visible}.tunnel-list-panel{padding:16px;min-width:0}.top-bar{padding:0 16px}}.text-muted{color:var(--text-muted)}.text-xs{font-size:.75rem}.text-sm{font-size:.875rem}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.flex{display:flex}.items-center{align-items:center}.gap-2{gap:.5rem}.w-full{width:100%}.font-bold{font-weight:700}.hidden{display:none!important}.pricing-grid{display:grid;grid-template-columns:1fr;gap:12px}.pricing-card{border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:all .2s}.pricing-card:hover{border-color:var(--primary);background:#f8fafc}.pricing-card.featured{border-color:var(--primary);background:#eff6ff}.pricing-info h4{margin:0 0 4px;font-size:1rem}.pricing-info p{margin:0;font-size:.85rem;color:var(--text-muted)}.pricing-price{font-weight:700;font-size:1.1rem}