/* Pipe-tunes – online kalkulačka rezného plánu (1D). Farby z témy pipetunes2, s náhradnými hodnotami. */
.ptc{--c-bg:var(--pt-bg,#0B0F14);--c-surface:var(--pt-surface,#121820);--c-surface2:var(--pt-surface-2,#161E28);--c-border:var(--pt-border,#1C2530);--c-border2:var(--pt-border-strong,#2A3542);--c-text:var(--pt-text,#E6EDF3);--c-white:var(--pt-white,#fff);--c-muted:var(--pt-muted,#9AA7B4);--c-accent:var(--pt-accent,#C6F432);--c-accent-h:var(--pt-accent-hover,#E4FF8A);--c-on-accent:var(--pt-on-accent,#0B0F14);--c-error:var(--pt-error,#FF8A80);--c-r:var(--pt-radius-card,18px);--c-ri:var(--pt-radius-input,12px);
  font-family:var(--pt-font-body,'Inter',system-ui,-apple-system,'Segoe UI',sans-serif);color:var(--c-text);font-size:16px;line-height:1.5}
.ptc *{box-sizing:border-box}
.ptc-grid{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:24px;align-items:start}
@media (max-width:899.98px){.ptc-grid{grid-template-columns:1fr}}
.ptc-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--c-r);padding:24px}
.ptc-card h3{font-family:var(--pt-font-head,'Space Grotesk',system-ui,sans-serif);font-size:20px;margin:0 0 16px;color:var(--c-white)}
.ptc-row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}
.ptc label{display:block;font-size:14px;color:var(--c-muted);margin:0 0 6px}
.ptc input[type=number],.ptc input[type=text],.ptc textarea{width:100%;background:var(--c-bg);color:var(--c-text);border:1px solid var(--c-border2);border-radius:var(--c-ri);padding:10px 12px;font:inherit;font-variant-numeric:tabular-nums}
.ptc input:focus,.ptc textarea:focus{outline:2px solid var(--c-accent);outline-offset:1px;border-color:transparent}
.ptc input[type=number]{-moz-appearance:textfield}
.ptc input::-webkit-outer-spin-button,.ptc input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.ptc-items{width:100%;border-collapse:collapse;margin:0 0 8px}
.ptc-items th{font-size:13px;font-weight:500;color:var(--c-muted);text-align:left;padding:0 6px 6px}
.ptc-items td{padding:3px}
.ptc-items td.ptc-nr{width:28px;color:var(--c-muted);font-size:13px;text-align:right;padding-right:6px}
.ptc-items td.ptc-qty{width:84px}
.ptc-items td.ptc-del{width:36px}
.ptc-items input{padding:8px 10px}
.ptc-x{background:none;border:0;color:var(--c-muted);font-size:20px;line-height:1;cursor:pointer;padding:6px;border-radius:8px}
.ptc-x:hover{color:var(--c-error);background:var(--c-surface2)}
.ptc-links{display:flex;flex-wrap:wrap;gap:6px 16px;margin:4px 0 16px;font-size:14px}
.ptc-link{background:none;border:0;padding:0;color:var(--c-accent);cursor:pointer;font:inherit;font-size:14px;text-decoration:underline;text-underline-offset:3px}
.ptc-link:hover{color:var(--c-accent-h)}
.ptc-paste{display:none;margin:0 0 16px}
.ptc-paste.is-open{display:block}
.ptc-paste textarea{min-height:120px;font-family:Consolas,Menlo,monospace;font-size:14px}
.ptc-paste p{font-size:13px;color:var(--c-muted);margin:6px 0 8px}
.ptc-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 28px;border-radius:999px;background:var(--c-accent);color:var(--c-on-accent);border:1px solid var(--c-accent);font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.ptc-btn:hover{background:var(--c-accent-h);border-color:var(--c-accent-h);color:var(--c-on-accent)}
.ptc-btn--ghost{background:transparent;color:var(--c-text);border-color:var(--c-border2)}
.ptc-btn--ghost:hover{background:transparent;color:var(--c-white);border-color:var(--c-muted)}
.ptc-btn--sm{min-height:38px;padding:8px 16px;font-size:14px}
.ptc-calc{width:100%}
.ptc-hint{font-size:13px;color:var(--c-muted);margin:10px 0 0}
.ptc-err{color:var(--c-error);font-size:14px;margin:10px 0 0;white-space:pre-line}
.ptc-empty{color:var(--c-muted);text-align:center;padding:48px 16px}
.ptc-empty svg{display:block;margin:0 auto 12px;opacity:.6}
.ptc-sum{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 20px}
@media (max-width:599.98px){.ptc-sum{grid-template-columns:repeat(2,minmax(0,1fr))}}
.ptc-kpi{background:var(--c-surface2);border:1px solid var(--c-border);border-radius:14px;padding:14px}
.ptc-kpi b{display:block;font-family:var(--pt-font-head,'Space Grotesk',system-ui,sans-serif);font-size:26px;line-height:1.15;color:var(--c-white);font-variant-numeric:tabular-nums}
.ptc-kpi span{font-size:13px;color:var(--c-muted)}
.ptc-kpi--main b{color:var(--c-accent)}
.ptc-note{font-size:14px;color:var(--c-muted);margin:-8px 0 20px}
.ptc-plan{display:flex;flex-direction:column;gap:14px}
.ptc-pat-h{display:flex;justify-content:space-between;gap:12px;font-size:14px;margin:0 0 6px}
.ptc-pat-h b{color:var(--c-white)}
.ptc-pat-h span{color:var(--c-muted);font-variant-numeric:tabular-nums}
.ptc-bar{display:flex;height:40px;border-radius:8px;overflow:hidden;background:repeating-linear-gradient(135deg,var(--c-surface2) 0 6px,var(--c-bg) 6px 12px);border:1px solid var(--c-border2)}
.ptc-seg{flex:0 0 auto;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#0B0F14;overflow:hidden;white-space:nowrap;border-right:2px solid var(--c-bg);min-width:2px;font-variant-numeric:tabular-nums}
.ptc-rest{flex:1 1 auto;display:flex;align-items:center;justify-content:flex-end;padding:0 8px;font-size:12px;color:var(--c-muted);white-space:nowrap;overflow:hidden}
.ptc-pat-l{font-size:13px;color:var(--c-muted);margin:6px 0 0;font-variant-numeric:tabular-nums}
.ptc-cta{margin:24px 0 0;padding:20px;border-radius:var(--c-r);border:1px solid var(--c-accent);background:linear-gradient(135deg,rgba(198,244,50,.10),rgba(198,244,50,.02))}
.ptc-cta h4{margin:0 0 6px;font-family:var(--pt-font-head,'Space Grotesk',system-ui,sans-serif);font-size:18px;color:var(--c-white)}
.ptc-cta p{margin:0 0 14px;font-size:15px}
.ptc-cta ul{margin:0 0 16px;padding:0 0 0 18px;font-size:14px;color:var(--c-text)}
.ptc-foot{font-size:12px;color:var(--c-muted);margin:16px 0 0}
@media print{.ptc-grid{display:none!important}.ptc::after{content:attr(data-print);display:block;font-size:14pt;color:#000;padding:12pt 0}}
.ptc-res-h{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 0 16px}
.ptc-res-h h3{margin:0}