.ypc-calculator{--ypc-main:#176b57;--ypc-pale:#edf7f4;--ypc-border:#d7e2df;--ypc-text:#1f2927;max-width:680px;margin:0 auto;color:var(--ypc-text);font-size:16px;line-height:1.6}.ypc-calculator *{box-sizing:border-box}.ypc-section,.ypc-summary{margin:0 0 20px;padding:20px;border:1px solid var(--ypc-border);border-radius:14px;background:#fff;box-shadow:0 3px 14px rgba(25,55,47,.06)}.ypc-fieldset{margin:0 0 20px;padding:0;border:0}.ypc-fieldset:last-child{margin-bottom:0}.ypc-fieldset legend,.ypc-label{display:block;margin:0 0 8px;font-weight:700}.ypc-segmented{display:grid;grid-template-columns:1fr 1fr;gap:8px}.ypc-segmented label{position:relative;margin:0}.ypc-segmented input{position:absolute;opacity:0;pointer-events:none}.ypc-segmented span{display:flex;min-height:48px;align-items:center;justify-content:center;padding:9px 12px;border:2px solid var(--ypc-border);border-radius:10px;background:#fff;text-align:center;font-weight:700;cursor:pointer}.ypc-segmented input:checked+span{border-color:var(--ypc-main);background:var(--ypc-pale);color:var(--ypc-main)}.ypc-segmented input:focus-visible+span{outline:3px solid rgba(23,107,87,.25);outline-offset:2px}.ypc-stepper{display:grid;grid-template-columns:auto 1fr auto;gap:8px;align-items:stretch}.ypc-calculator button,.ypc-calculator select,.ypc-calculator input[type=time]{min-height:48px;border:1px solid #aebeba;border-radius:10px;background:#fff;color:var(--ypc-text);font:inherit}.ypc-calculator select,.ypc-calculator input[type=time]{width:100%;padding:9px 12px}.ypc-step{padding:8px 13px;font-weight:700;white-space:nowrap;cursor:pointer}.ypc-step:active{background:var(--ypc-pale)}.ypc-time-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.ypc-time-grid label{font-weight:700}.ypc-time-grid input{display:block;margin-top:7px}.ypc-clock-result{margin:14px 0 0;padding:12px;border-radius:8px;background:var(--ypc-pale)}.ypc-error{margin:10px 0 0;padding:10px;border-radius:8px;background:#fff0f0;color:#a22121;font-weight:700}.ypc-transport-panel{margin-top:18px}.ypc-summary h2{margin:0 0 14px;font-size:1.25em}.ypc-summary dl{margin:0}.ypc-summary dl>div{display:flex;gap:14px;justify-content:space-between;padding:7px 0}.ypc-summary dt,.ypc-summary dd{margin:0}.ypc-summary dd{text-align:right;font-weight:700}.ypc-subtotal-row{margin-top:7px;padding-top:14px!important;border-top:1px solid var(--ypc-border)}.ypc-total{display:flex;align-items:end;justify-content:space-between;gap:15px;margin-top:13px;padding-top:17px;border-top:2px solid var(--ypc-main);font-weight:700}.ypc-total strong{color:var(--ypc-main);font-size:clamp(1.8rem,8vw,2.55rem);line-height:1;text-align:right}.ypc-actions{display:grid;grid-template-columns:1fr auto;gap:10px}.ypc-actions button{padding:10px 16px;font-weight:700;cursor:pointer}.ypc-copy{border-color:var(--ypc-main)!important;background:var(--ypc-main)!important;color:#fff!important}.ypc-copy-status{min-height:1.6em;margin:8px 0 0;color:var(--ypc-main);text-align:center;font-weight:700}[hidden]{display:none!important}@media(min-width:600px){.ypc-summary dl,.ypc-total>span{font-size:20px}}@media(max-width:520px){.ypc-section,.ypc-summary{padding:16px}.ypc-method-switch{grid-template-columns:1fr}.ypc-stepper{grid-template-columns:1fr 1fr}.ypc-duration{grid-column:1/-1;grid-row:1}.ypc-time-grid{grid-template-columns:1fr}.ypc-actions{grid-template-columns:1fr}.ypc-actions button{width:100%}}