:root{--color-primary:#1a73e8;--color-primary-hover:#4285f4;--color-success:#28a745;--color-error:#dc3545;--color-text:#000;--color-text-muted:#555;--color-background:#e5e7eb;--color-surface:#fff;--color-border:#dee2e6;--color-header-bg:#fff;--color-logo-icon:#1a73e8;--color-button-text:#fff;--color-radio-bg: #c9ccd0;--color-input-bg: var(--color-background);--color-radio-group-bg: #f1f1f1;--color-divider-light: #efefef;--shadow-sm:0 1px 3px rgba(0,0,0,.05);--shadow-md:0 4px 8px rgba(0,0,0,.08);--border-radius:8px;--font-family:"Roboto",-apple-system,BlinkMacSystemFont,"Segoe UI","Helvetica Neue",Arial,sans-serif;--font-family-logo:"Nunito",sans-serif}[data-theme=dark]{--color-primary:#1a73e8;--color-primary-hover:#4285f4;--color-success:#1DB954;--color-error:#f43f5e;--color-text:#e5e7eb;--color-text-muted:#9ca3af;--color-background:#1A1A1D;--color-surface:#282c34;--color-border:#3c414b;--color-header-bg:#101011;--color-logo-icon:#1a73e8;--color-button-text:#fff;--color-radio-bg: var(--color-border);--color-input-bg: var(--color-background);--color-radio-group-bg: var(--color-background);--color-divider-light: #444953}html,body{margin:0;font-family:var(--font-family);background:var(--color-background);color:var(--color-text)}.container{max-width:800px;margin:0 auto;padding:0 1.5rem}.card{background:var(--color-surface);border-radius:var(--border-radius);box-shadow:var(--shadow-sm)}.fade-in{animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.page-header{text-align:center;margin:2rem 0}.page-header h1{font-size:1.5rem;margin:0}@media (max-width: 600px){.container{padding:0 1rem}.page-header{margin:1.5rem 0}}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--color-primary);color:var(--color-button-text);border:none;padding:.85rem 1rem;border-radius:var(--border-radius);font-weight:600;cursor:pointer;width:100%;position:relative;min-height:46px}.btn-primary:hover{background:var(--color-primary-hover)}.btn-primary[disabled]{opacity:.6;cursor:default}.btn-primary.loading .loader-container{display:flex}.btn-primary.loading .btn-text{visibility:hidden}.loader-container{position:absolute;inset:0;display:none;align-items:center;justify-content:center}.loader{border:4px solid rgba(255,255,255,.3);border-top:4px solid #fff;border-radius:50%;width:24px;height:24px;animation:spin 1s linear infinite}[data-theme=light] .loader{border-top-color:#000}@keyframes spin{to{transform:rotate(360deg)}}label{font-size:.85rem;font-weight:500;display:block;margin:0 0 .4rem}input[type=text],input[type=date],input[type=password],input[type=email],select{width:100%;padding:.75rem 1rem;font-size:1rem;border:1px solid var(--color-border);border-radius:var(--border-radius);background:var(--color-input-bg);color:var(--color-text);transition:border-color .2s,box-shadow .2s;box-sizing:border-box}[data-theme=dark] input[type=date]{color-scheme:dark}input[type=text]:focus,input[type=date]:focus,input[type=password]:focus,input[type=email]:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-primary) 25%,transparent)}input.invalid{border-color:var(--color-error)!important;box-shadow:0 0 0 3px color-mix(in srgb,var(--color-error) 40%,transparent)}.radio-group{display:flex;gap:.5rem;background:var(--color-radio-group-bg);border-radius:var(--border-radius);padding:.75rem;margin:1rem 0 .5rem}.radio-label{flex:1;text-align:center;padding:.5rem;border-radius:6px;cursor:pointer;font-size:.9rem;background:var(--color-radio-bg);color:var(--color-text-muted);transition:background-color .2s,color .2s}.radio-label input{display:none}.radio-label:has(input:checked){background:var(--color-primary);color:var(--color-button-text);font-weight:500}.result-card{background:var(--color-surface);border-radius:var(--border-radius);box-shadow:var(--shadow-sm)}.result-header{display:flex;align-items:center;gap:.5rem;padding:1rem 1.5rem}.result-header .icon{font-size:1.5rem}.result-card.success .icon{color:var(--color-success)}.result-card.error .icon{color:var(--color-error)}.result-body{padding:1.5rem}.result-grid{display:grid;gap:.75rem 1.5rem}@media (min-width:600px){.result-grid.two-cols{grid-template-columns:1fr 1fr}}.result-item{display:flex;flex-direction:column;padding-bottom:.75rem;border-bottom:1px solid var(--color-border)}.result-item-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-muted);margin-bottom:.25rem}.location-history{margin-top:1.5rem}.location-list{list-style:none;margin:0;padding:0}.location-list li{display:flex;align-items:center;padding:.7rem 0;border-bottom:1px solid var(--color-border)}.location-list li:last-child{border-bottom:none}.ubn-circle{display:flex;align-items:center;justify-content:center;width:1.4em;height:1.4em;font-weight:900;font-size:1em;border-radius:50%;background:#000;color:var(--color-background);margin-right:.6em}[data-theme=dark] .ubn-circle{background:#fff;color:#000}.ubn-link{background:none;border:none;text-decoration:underline;cursor:pointer;font-weight:700;color:var(--color-text)}.ubn-link:hover{color:var(--color-primary)}.current-location{color:#1a73e8;font-style:italic;font-size:.85rem;margin-left:.5em}main{padding:1.5rem 0 2rem}.nav-overlay{position:fixed;inset:0;z-index:1000;background:#1416199e;transition:opacity .25s;opacity:1;pointer-events:auto}.nav-overlay[hidden]{opacity:0;pointer-events:none}[data-theme=dark] ::-webkit-scrollbar{width:10px;height:10px}[data-theme=dark] ::-webkit-scrollbar-track{background:var(--color-background)}[data-theme=dark] ::-webkit-scrollbar-thumb{background-color:#4f5661;border-radius:5px;border:2px solid var(--color-background)}[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background-color:#6a7280}[data-theme=dark]{scrollbar-color:#4f5661 var(--color-background);scrollbar-width:thin}