/* Layout */
.pdc-layout{display:grid;gap:28px}
@media (min-width:768px){.pdc-layout{grid-template-columns:1fr 1fr;align-items:start}}
.pdc-form{display:grid;gap:22px}
.pdc-results{position:relative}
#results{margin-top:0;padding:16px;background:#fff;border:1px solid #ddd;border-radius:8px}
@media (min-width:768px){#results{position:sticky;top:16px}}
.pdc-results-head{display:flex;justify-content:flex-end;align-items:center;gap:12px;margin-bottom:8px}
.pdc-copy{border:1px solid #ccc;background:#f8f8f8;border-radius:6px;padding:6px 10px;cursor:pointer}
.pdc-copy-feedback{font-size:0.9em;color:#1a7f37}

/* Controls */
#pdc-calculator label{display:block;margin-bottom:2px}
.pdc-stepper{display:flex;gap:12px;align-items:center}
.pdc-stepper input{width:120px;text-align:center}
.pdc-step{width:40px;height:40px;line-height:40px;text-align:center;border:1px solid #ccc;background:#fff;border-radius:6px;cursor:pointer;font-size:18px}
.pdc-step:active{transform:scale(0.98)}

/* Slider rows: label/value at left, slider at right */
.pdc-slider{display:grid;grid-template-columns:260px 1fr;gap:16px;align-items:center}
.pdc-slider-label{display:flex;gap:8px;align-items:center;justify-content:flex-start}
.pdc-slider-label .pdc-caption{font-weight:600}
.pdc-slider-input input[type=range]{width:100%}
@media (max-width:540px){.pdc-slider{grid-template-columns:1fr;gap:8px}}

/* General */
#pdc-calculator select{width:100%;padding:12px}
#pdc-calculator button{margin-top:8px;padding:12px;width:100%;}
.pdc-caption{font-weight:600}
.pdc-value{font-variant-numeric:tabular-nums}