/* Geschwindigkeitsrechner (Modellbahn) – Styles */
.gspd{--gspd-accent:#b8860b;--gspd-border:#d9d9d9;--gspd-bg:#fff;--gspd-bg-soft:#f7f5f0;--gspd-text:#222;--gspd-muted:#666;box-sizing:border-box;max-width:860px;margin:1.5em auto;padding:1.25em 1.5em;border:1px solid var(--gspd-border);border-radius:10px;background:var(--gspd-bg);color:var(--gspd-text);font-size:16px;line-height:1.45}
.gspd *,.gspd ::before,.gspd ::after{box-sizing:inherit}
.gspd [hidden]{display:none!important}
.gspd-head{margin-bottom:1em}
.gspd-title{margin:0 0 .15em;font-size:1.35em;color:var(--gspd-text)}
.gspd-sub{margin:0;color:var(--gspd-muted);font-size:.9em}
.gspd-modes{display:flex;gap:.35em;flex-wrap:wrap;margin-bottom:1em}
.gspd-mode{flex:1 1 auto;font-size:.85em;font-family:inherit;padding:.5em .6em;border:1px solid var(--gspd-border);border-radius:999px;background:var(--gspd-bg);color:var(--gspd-text);cursor:pointer;transition:.15s}
.gspd-mode:hover{border-color:var(--gspd-accent)}
.gspd-mode.is-active{background:var(--gspd-accent);border-color:var(--gspd-accent);color:#fff;font-weight:600}
.gspd-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25em}
@media (max-width:700px){.gspd-grid{grid-template-columns:1fr}}
.gspd-panel{display:flex;flex-direction:column;gap:.7em;padding:.75em;border:1px solid var(--gspd-border);border-radius:8px;background:var(--gspd-bg-soft)}
.gspd-field{display:flex;flex-direction:column;gap:.25em}
.gspd-label{font-weight:600;font-size:.9em}
.gspd-hint{font-size:.78em;color:var(--gspd-muted)}
.gspd-select,.gspd-input{font-size:1em;font-family:inherit;color:var(--gspd-text);background:var(--gspd-bg);border:1px solid var(--gspd-border);border-radius:6px;padding:.4em .5em;width:100%}
.gspd-select:focus,.gspd-input:focus{outline:2px solid var(--gspd-accent);outline-offset:1px}
.gspd-presets{display:flex;flex-wrap:wrap;gap:.35em;align-items:center}
.gspd-presets-label{font-size:.85em;font-weight:600;width:100%}
.gspd-preset{font-size:.8em;font-family:inherit;padding:.3em .6em;border:1px solid var(--gspd-border);border-radius:999px;background:var(--gspd-bg);color:var(--gspd-text);cursor:pointer;transition:.15s}
.gspd-preset:hover{border-color:var(--gspd-accent);background:var(--gspd-accent);color:#fff}
.gspd-result{display:flex;flex-direction:column;align-items:flex-start;gap:.35em;padding:.75em;border:1px solid var(--gspd-border);border-radius:8px}
.gspd-result-label{font-weight:600;font-size:.9em}
.gspd-out{font-size:2em;font-weight:700;line-height:1.15;color:var(--gspd-accent)}
.gspd-vals{display:flex;flex-direction:column;gap:.2em;width:100%;margin-top:.3em}
.gspd-val{display:flex;justify-content:space-between;gap:.75em;font-size:.9em;border-bottom:1px dotted var(--gspd-border);padding:.15em 0}
.gspd-val span:last-child{font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.gspd-note{margin-top:.5em;font-size:.85em;background:var(--gspd-bg-soft);border-radius:6px;padding:.5em .65em;width:100%}
.gspd-warn{color:#a33;background:#fdeeee;border:1px solid #e8b4b4;border-radius:6px;padding:.35em .6em;font-size:.85em;width:100%}
.gspd-tablewrap{margin-top:1.1em;overflow-x:auto}
.gspd-tabletitle{margin:0 0 .5em;font-size:1em}
.gspd-table{border-collapse:collapse;width:100%;font-size:.9em;min-width:440px}
.gspd-table th,.gspd-table td{border:1px solid var(--gspd-border);padding:.4em .6em;text-align:left}
.gspd-table th{background:var(--gspd-bg-soft);font-weight:600}
.gspd-table td.gspd-num{text-align:right;font-variant-numeric:tabular-nums}
.gspd-table tr.is-active td{background:#fdf6e3;font-weight:600}
.gspd-footer{margin:1em 0 0;font-size:.75em;color:var(--gspd-muted)}