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