*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{-webkit-font-smoothing:antialiased;--bg:#f5f5f5;--surface:#fff;--border:#d8d8d8;--text:#1a1a1a;--muted:#666;--accent:#2563eb;--accent-fg:#fff;--toggle-bg:#e4e4e4;--ahead:#16a34a;--behind:#dc2626;--same:#666;font-family:system-ui,Helvetica,Arial,sans-serif;font-size:16px}[data-theme=dark]{--bg:#121212;--surface:#1e1e1e;--border:#333;--text:#f0f0f0;--muted:#999;--toggle-bg:#2a2a2a}body{background:var(--bg);color:var(--text);justify-content:center;align-items:flex-start;min-height:100dvh;padding:2rem 1.25rem;display:flex}#app{width:100%;max-width:420px}.app{flex-direction:column;gap:1.5rem;display:flex}.header{justify-content:space-between;align-items:center;display:flex}.title{letter-spacing:-.02em;font-size:1.4rem;font-weight:700}.theme-toggle{background:var(--toggle-bg);cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;width:2.5rem;height:2.5rem;font-family:inherit;font-size:1.1rem;display:flex}.remote-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}.remote-card .timezone-picker{border-bottom:1px solid var(--border);border-radius:0}.remote-card .hour-picker{border-radius:0}.arrow{text-align:center;color:var(--muted);font-size:1.25rem}.hour-picker,.timezone-picker,.result{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:1rem;padding:1.25rem;display:flex}.remote-card .hour-picker,.remote-card .timezone-picker{background:0 0;border:none}.mode-toggle,.meridiem-toggle{background:var(--toggle-bg);border-radius:8px;gap:3px;padding:3px;display:flex}.mode-toggle button,.meridiem-toggle button{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;padding:.55rem 0;font-family:inherit;font-size:.95rem;font-weight:600;transition:background .15s,color .15s}.meridiem-toggle--large button{border-radius:8px;padding:.75rem 0;font-size:1.4rem}.mode-toggle button.active,.meridiem-toggle button.active{background:var(--accent);color:var(--accent-fg)}.ampm-row,.h24-row{align-items:center;gap:.75rem;display:flex}.hour-input{text-align:center;border:1px solid var(--border);background:var(--bg);width:5rem;color:var(--text);appearance:textfield;border-radius:8px;padding:.4rem .5rem;font-family:inherit;font-size:2rem;font-weight:700}.hour-input::-webkit-inner-spin-button{opacity:1}.hour-input::-webkit-outer-spin-button{opacity:1}.timezone-picker label{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;font-weight:600}.timezone-picker select{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);cursor:pointer;border-radius:8px;padding:.65rem .75rem;font-family:inherit;font-size:1rem}.result-label{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;font-weight:600}.result-time{letter-spacing:-.03em;font-size:3.5rem;font-weight:800;line-height:1}.result-sub{color:var(--muted);font-size:.9rem}.result-sub .same{color:var(--same)}.result-sub .ahead{color:var(--ahead)}.result-sub .behind{color:var(--behind)}