:root{--bg-color:#0f172a;--surface-color:#1e293b;--surface-light:#334155;--text-primary:#f8fafc;--text-secondary:#94a3b8;--primary-color:#3b82f6;--primary-hover:#2563eb;--success-color:#10b981;--success-glow:#10b98166;--error-color:#ef4444;--error-glow:#ef444466;--warning-color:#f59e0b;--radius-md:12px;--radius-lg:24px}@media (prefers-color-scheme:light){:root{--bg-color:#f8fafc;--surface-color:#fff;--surface-light:#f1f5f9;--text-primary:#0f172a;--text-secondary:#64748b}}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);justify-content:center;align-items:center;min-height:100vh;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;transition:background-color .3s,color .3s;display:flex}.app-container{flex-direction:column;gap:2rem;width:100%;max-width:480px;padding:2rem;display:flex}.header{text-align:center}.header h1{background:linear-gradient(135deg, var(--primary-color), #8b5cf6);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:1.75rem;font-weight:700}.header p{color:var(--text-secondary);font-size:.95rem}.card{background:var(--surface-color);border-radius:var(--radius-lg);border:1px solid #ffffff0d;padding:2rem;transition:transform .3s,box-shadow .3s;position:relative;overflow:hidden;box-shadow:0 10px 25px -5px #0000001a,0 8px 10px -6px #0000001a}.card:hover{transform:translateY(-2px);box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.status-badge{border-radius:9999px;align-items:center;gap:.5rem;margin-bottom:1.5rem;padding:.5rem 1rem;font-size:.875rem;font-weight:600;display:inline-flex}.status-badge.in-range{color:var(--success-color);background-color:#10b9811a;border:1px solid #10b98133}.status-badge.out-of-range{color:var(--error-color);background-color:#ef44441a;border:1px solid #ef444433}.status-badge.loading{color:var(--warning-color);background-color:#f59e0b1a;border:1px solid #f59e0b33}.status-dot{background-color:currentColor;border-radius:50%;width:8px;height:8px}.in-range .status-dot{box-shadow:0 0 10px var(--success-glow);animation:2s infinite pulse-success}.out-of-range .status-dot{box-shadow:0 0 10px var(--error-glow);animation:2s infinite pulse-error}.loading .status-dot{animation:1s infinite alternate pulse-warning}.info-grid{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:2rem;display:grid}.info-item{background:var(--surface-light);border-radius:var(--radius-md);text-align:center;padding:1rem}.info-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.25rem;font-size:.75rem;display:block}.info-value{color:var(--text-primary);font-size:1.25rem;font-weight:700}.btn-primary{border-radius:var(--radius-md);cursor:pointer;border:none;width:100%;padding:1rem;font-size:1rem;font-weight:600;transition:all .2s;position:relative;overflow:hidden}.btn-primary:not(:disabled){background:var(--primary-color);color:#fff;box-shadow:0 4px 14px #3b82f663}.btn-primary:not(:disabled):hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 20px #3b82f63b}.btn-primary:not(:disabled):active{transform:translateY(1px)}.btn-primary:disabled{background:var(--surface-light);color:var(--text-secondary);cursor:not-allowed;opacity:.7}@keyframes pulse-success{0%{box-shadow:0 0 #10b98166}70%{box-shadow:0 0 0 10px #10b98100}to{box-shadow:0 0 #10b98100}}@keyframes pulse-error{0%{box-shadow:0 0 #ef444466}70%{box-shadow:0 0 0 10px #ef444400}to{box-shadow:0 0 #ef444400}}@keyframes pulse-warning{0%{opacity:.5}to{opacity:1}}.radar-container{background:#3b82f61a;border:1px solid #3b82f633;border-radius:50%;justify-content:center;align-items:center;width:120px;height:120px;margin:0 auto 2rem;display:flex;position:relative;overflow:hidden}.radar-dot{background:var(--primary-color);width:12px;height:12px;box-shadow:0 0 10px var(--primary-color);border-radius:50%;position:absolute}.radar-scan{transform-origin:0 0;background:linear-gradient(45deg,#3b82f6cc 0%,#3b82f600 100%);width:50%;height:50%;animation:2s linear infinite scan;position:absolute;top:50%;left:50%}@keyframes scan{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.form-group{text-align:left;margin-bottom:1.5rem}.form-label{color:var(--text-secondary);margin-bottom:.5rem;font-size:.875rem;font-weight:500;display:block}.form-input{border-radius:var(--radius-md);background-color:var(--surface-light);width:100%;color:var(--text-primary);border:1px solid #ffffff1a;padding:.75rem 1rem;font-family:inherit;font-size:1rem;transition:all .2s}.form-input:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #3b82f633}.form-input::placeholder{color:var(--text-secondary);opacity:.5}.spinner{vertical-align:middle;border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:1rem;height:1rem;margin-right:.5rem;animation:1s ease-in-out infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.nav-bar{background:var(--surface-color);border-radius:var(--radius-md);gap:.5rem;padding:.5rem;display:flex;box-shadow:0 4px 6px -1px #0000001a}.nav-bar a{text-align:center;border-radius:var(--radius-md);color:var(--text-secondary);flex:1;padding:.75rem 1rem;font-weight:500;text-decoration:none;transition:all .2s}.nav-bar a:hover{background:var(--surface-light);color:var(--text-primary)}.nav-bar a.active{background:var(--primary-color);color:#fff;box-shadow:0 2px 4px #3b82f64d}.admin-table{border-collapse:collapse;text-align:left;width:100%}.admin-table th,.admin-table td{border-bottom:1px solid #ffffff0d;padding:.75rem 1rem}.admin-table th{color:var(--text-secondary);text-transform:uppercase;font-size:.85rem;font-weight:600}.admin-table tbody tr:hover{background:#ffffff05}.alert-banner{border-radius:var(--radius-md);text-align:center;margin-bottom:1.5rem;padding:1rem;font-size:.9rem;font-weight:600;animation:.3s ease-out forwards slide-down}.alert-banner.success{color:var(--success-color);background:#10b98126;border:1px solid #10b9814d}.alert-banner.error{color:var(--error-color);background:#ef444426;border:1px solid #ef44444d}@keyframes slide-down{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}