:root{--bg:#0f172a;--bg-card:#1e293b;--bg-hover:#334155;--text:#f1f5f9;--text-muted:#94a3b8;--primary:#3b82f6;--primary-hover:#2563eb;--danger:#ef4444;--success:#22c55e;--warning:#f59e0b;--border:#334155;--radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6}.btn{border-radius:var(--radius);cursor:pointer;border:none;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--bg-hover);color:var(--text)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:4px 10px;font-size:12px}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;max-width:400px;margin:80px auto;padding:32px}.login-header{flex-direction:column;align-items:center;gap:8px;margin-bottom:24px;display:flex}.login-header h1{font-size:24px}.login-header h2{font-size:20px}.login-subtitle{color:var(--text-muted);font-size:14px}.login-info{text-align:center;margin-bottom:16px}.login-info p{margin:4px 0}.login-form{flex-direction:column;gap:12px;display:flex}.login-form label{color:var(--text-muted);align-items:center;gap:6px;font-size:14px;display:flex}.login-form input{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);letter-spacing:2px;padding:10px 12px;font-family:monospace;font-size:16px}.login-form input:focus{border-color:var(--primary);outline:none}.login-divider{text-align:center;color:var(--text-muted);margin:16px 0;position:relative}.login-divider:before,.login-divider:after{content:"";background:var(--border);width:40%;height:1px;position:absolute;top:50%}.login-divider:before{left:0}.login-divider:after{right:0}.login-error{color:var(--danger);margin-top:8px;font-size:13px}.login-privacy{color:var(--text-muted);text-align:center;margin-top:16px;font-size:12px}.new-key-notice{border:1px solid var(--warning);border-radius:var(--radius);text-align:center;background:#f59e0b1a;padding:16px}.account-key{background:var(--bg);border-radius:var(--radius);letter-spacing:3px;word-spacing:8px;margin:12px 0;padding:12px;font-size:18px;display:block}.dashboard{max-width:800px;margin:0 auto;padding:24px}.dashboard-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.dashboard-title{align-items:center;gap:8px;display:flex}.dashboard-title h1{font-size:20px}.dashboard-meta{align-items:center;gap:12px;display:flex}.tier-badge{text-transform:uppercase;background:var(--primary);color:#fff;border-radius:12px;padding:2px 10px;font-size:12px;font-weight:600}.account-id{color:var(--text-muted);font-family:monospace;font-size:13px}.stats-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:16px}.stat-card svg{color:var(--text-muted);margin-bottom:4px}.stat-value{font-size:28px;font-weight:700}.stat-label{color:var(--text-muted);font-size:12px}.actions-bar{gap:12px;margin-bottom:24px;display:flex}.alerts-section h2{margin-bottom:12px;font-size:18px}.no-alerts,.empty-state{text-align:center;color:var(--text-muted);padding:48px 24px}.no-alerts svg,.empty-state svg{opacity:.5;margin-bottom:12px}.hint{margin-top:4px;font-size:13px}.alert-list{flex-direction:column;gap:8px;display:flex}.alert-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);border-left:4px solid;padding:14px 16px}.alert-header{align-items:center;gap:8px;margin-bottom:4px;display:flex}.alert-emoji{font-size:18px}.alert-hazard{color:var(--text-muted);font-size:13px}.alert-severity{margin-left:auto;font-size:12px;font-weight:700}.alert-headline{margin:4px 0;font-size:15px}.alert-zones{color:var(--text-muted);font-size:13px}.alert-time{color:var(--text-muted);font-size:12px}.locations-page{max-width:600px;margin:0 auto;padding:24px}.locations-page header{margin-bottom:24px}.locations-page h1{align-items:center;gap:8px;display:flex}.locations-page header p{color:var(--text-muted);font-size:14px}.add-location-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:24px;padding:16px}.add-location-form h3{align-items:center;gap:6px;margin-bottom:12px;font-size:15px;display:flex}.form-row{gap:8px;margin-bottom:8px;display:flex}.form-row input{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);flex:1;padding:8px 12px}.form-row input:focus{border-color:var(--primary);outline:none}.location-preview{color:var(--success);margin:8px 0;font-size:13px}.form-error{color:var(--danger);margin-top:8px;font-size:13px}.location-list{flex-direction:column;gap:8px;display:flex}.location-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.location-info h3{font-size:15px}.location-info p{color:var(--text-muted);font-size:13px}.location-coords{font-family:monospace;font-size:12px}@media (width<=640px){.stats-grid{grid-template-columns:repeat(2,1fr)}.dashboard-header{flex-direction:column;gap:8px}}