/* Siesta Audio · /tools. Sits on top of /styles.css and reads like the
   Journal: same column, same type, with a working instrument up top. */
.art{max-width:760px;margin:0 auto;padding:clamp(40px,7vh,84px) clamp(20px,5vw,60px) clamp(60px,10vh,120px)}
.art .eyebrow{color:var(--terra)}
.art h1{font-size:clamp(32px,5.4vw,60px);line-height:1.02;margin:16px 0 14px}
.byline{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.06em;color:var(--ink-soft);display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;border-bottom:1px solid var(--line);padding-bottom:20px}
.byline b{color:var(--ink);font-weight:600}
.art h2{font-size:clamp(22px,3vw,32px);line-height:1.1;margin:clamp(34px,5vw,52px) 0 12px}
.art h3{font-size:clamp(17px,2vw,20px);margin:clamp(22px,3vw,28px) 0 6px;color:var(--ink)}
.art p,.art li{font-size:17.5px;line-height:1.72;color:var(--ink-2)}
.art p{margin-bottom:1.05em}
.art .lede{font-size:clamp(19px,2.2vw,23px);line-height:1.5;color:var(--ink);margin:clamp(20px,3vw,28px) 0}
.art ol,.art ul{margin:0 0 1.1em 1.2em}
.art li{margin-bottom:.5em}
.art strong,.art b{color:var(--ink)}
.art a{color:var(--terra);text-decoration:none;border-bottom:1px solid color-mix(in srgb,var(--terra) 40%,transparent)}
.art code{font-family:"IBM Plex Mono",monospace;font-size:.88em;background:#f1ede6;padding:2px 6px;border-radius:4px}
.backlink{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);text-decoration:none}
.art .backlink{color:var(--ink-soft);border:0}

/* the instrument */
.tool{background:#fff;border:1px solid var(--line);border-radius:14px;padding:clamp(18px,3.4vw,32px);margin:clamp(22px,3vw,30px) 0;
  box-shadow:0 18px 40px -32px rgba(17,16,16,.45)}
.tool .lab,.tool label,.fld>span{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft)}
.fields{display:flex;flex-wrap:wrap;gap:14px 18px;align-items:flex-end}
.fld{display:flex;flex-direction:column;gap:6px;min-width:0}
.tool input[type=number],.tool input[type=text],.tool select{font-family:"IBM Plex Mono",monospace;font-size:20px;color:var(--ink);background:var(--wall);
  border:1px solid var(--line);border-radius:8px;padding:10px 12px;width:100%;min-width:0}
.tool input.big{font-size:clamp(30px,6vw,44px);font-weight:600;padding:8px 14px;max-width:220px}
.tool input:focus,.tool select:focus{outline:2px solid var(--terra);outline-offset:1px;border-color:transparent}
.tool input[type=range]{width:100%;accent-color:var(--terra)}
.btn2{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  background:var(--ink);color:#fff;border:0;border-radius:8px;padding:13px 20px;cursor:pointer;text-decoration:none;user-select:none;-webkit-user-select:none;touch-action:manipulation}
.btn2:hover{background:var(--terra)}
.btn2.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn2.ghost:hover{border-color:var(--terra);color:var(--terra);background:transparent}
.btn2[aria-pressed=true]{background:var(--terra);color:#fff}
.btn2.tap{min-width:132px;min-height:56px;font-size:13px}
.out{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-top:20px}
.out>div{background:#fff;padding:14px 16px}
.out .k{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft)}
.out .v{font-family:"IBM Plex Mono",monospace;font-size:clamp(20px,3vw,26px);font-weight:600;color:var(--ink);margin-top:4px;overflow-wrap:anywhere}
.out .v small{font-size:13px;font-weight:400;color:var(--ink-soft);margin-left:3px}
.out>div.hl{background:#fbf4ef}
.out>div.hl .v{color:var(--terra)}
.hint{font-size:14px;color:var(--ink-soft);margin-top:12px;line-height:1.5}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.04em;background:transparent;border:1px solid var(--line);border-radius:999px;padding:7px 13px;cursor:pointer;color:var(--ink)}
.chip:hover{border-color:var(--terra)}
.chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.copyable{cursor:copy}
.copied{animation:copied .9s ease}
@keyframes copied{0%{background:#fbe3d9}100%{background:inherit}}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.08em;
  padding:10px 16px;border-radius:8px;opacity:0;transition:opacity .2s,transform .2s;pointer-events:none;z-index:120}
.toast.on{opacity:1;transform:translateX(-50%)}

/* reference tables */
.kf{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:22px 0}
.kf table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.45}
.kf caption{text-align:left;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--terra);padding-bottom:8px}
.kf th,.kf td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}
.kf thead th{background:#f7efe8;font-weight:600}
.kf td.n,.kf th.n{font-family:"IBM Plex Mono",monospace;font-size:13.5px;white-space:nowrap}
.kf tr.on td{background:#fbf4ef}
.kf td.click{cursor:pointer}
.kf td.click:hover{background:#fbf4ef}
.kf small{display:block;color:var(--ink-soft);font-size:12.5px}

/* tuner needle */
.meter{position:relative;height:74px;margin:20px 0 6px;border-bottom:1px solid var(--line)}
.meter .scale{position:absolute;left:0;right:0;bottom:0;height:30px;background:
  repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 10%);opacity:.9}
.meter .zero{position:absolute;left:50%;bottom:0;width:2px;height:44px;background:var(--ink);margin-left:-1px}
.meter .needle{position:absolute;left:50%;bottom:0;width:4px;height:64px;margin-left:-2px;border-radius:2px;background:var(--ink-soft);
  transform-origin:50% 100%;transition:left .12s linear,background .2s}
.meter .needle.ok{background:var(--jade)}
.meter .needle.off{background:var(--terra)}
.meter .ends{position:absolute;left:0;right:0;top:0;display:flex;justify-content:space-between;font-family:"IBM Plex Mono",monospace;font-size:10px;color:var(--ink-soft)}
.readout{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.readout .nt{font-size:clamp(52px,10vw,84px);font-weight:700;line-height:1;font-variation-settings:"wdth" 110}
.readout .nt sub{font-size:.4em;vertical-align:baseline;margin-left:2px;color:var(--ink-soft)}
.readout .ct{font-family:"IBM Plex Mono",monospace;font-size:18px}
.readout .ct.ok{color:var(--jade)}
.readout .hzv{font-family:"IBM Plex Mono",monospace;font-size:14px;color:var(--ink-soft)}

/* strings row for tunings */
.strings{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.strings button{font-family:"IBM Plex Mono",monospace;min-width:64px;padding:10px 10px 8px;border:1px solid var(--line);border-radius:8px;background:var(--wall);cursor:pointer;color:var(--ink);line-height:1.15}
.strings button b{display:block;font-size:19px}
.strings button span{font-size:11px;color:var(--ink-soft)}
.strings button:hover,.strings button.ring{border-color:var(--terra);background:#fbf4ef}

/* cards for the hub + related */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:14px;margin:20px 0}
.card{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.art a.card{border-bottom:1px solid var(--line);color:var(--ink)}
.card:hover,.art a.card:hover{border-color:var(--terra);transform:translateY(-2px)}
.card .ck{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--terra)}
.card h3{font-size:19px;margin:8px 0 6px}
.card p{font-size:15px;line-height:1.5;color:var(--ink-2);margin:0}

/* plugin tie-in */
.cta-card{margin:clamp(30px,4.5vw,46px) 0;border-radius:12px;padding:clamp(24px,4vw,36px);background:#1b1715;color:#efe8de}
.cta-card .k{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:#e3a07f}
.cta-card h3{font-size:clamp(22px,3vw,30px);margin:8px 0 10px;color:#fff}
.art .cta-card p{color:#d8cfc4;font-size:16px;margin-bottom:18px}
.art .cta-card a.btn2{background:#e3a07f;color:#1b1715;border:0}
.art .cta-card a.btn2:hover{background:#fff}
.faq h3{margin-top:22px}
.author-note{border-top:1px solid var(--line);margin-top:40px;padding-top:18px;font-size:15px;color:var(--ink-soft)}
.art .author-note p{font-size:15px;color:var(--ink-soft)}
@media (max-width:520px){
  .fields{flex-direction:column;align-items:stretch}
  .fields>.fld{flex:none !important}  /* a width hint must not become a height in a column */
  .tool input.big{max-width:none}
  .btn2{width:100%}
  .strings button{flex:1 1 calc(33% - 8px)}
  .kf table{font-size:14px}
  .kf th,.kf td{padding:7px 8px}
  .kf td.n,.kf th.n{font-size:12.5px}
}

/* drop zone for the file tools */
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;min-height:150px;padding:24px;
  border:2px dashed var(--line);border-radius:12px;background:var(--wall);cursor:pointer;transition:border-color .15s,background .15s}
.drop:hover,.drop:focus-visible,.drop.over{border-color:var(--terra);background:#fbf4ef;outline:none}
.drop b{font-size:18px}
.drop .hint{margin:0}
.filebar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-top:12px;font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--ink-soft)}
.progress{height:6px;background:var(--line);border-radius:3px;overflow:hidden;margin-top:14px;cursor:pointer}
.progress i{display:block;height:100%;width:0;background:var(--terra)}
.graph{width:100%;height:160px;margin-top:18px;border:1px solid var(--line);border-radius:10px;background:#fff}
.big-answer{font-size:clamp(40px,8vw,64px);font-weight:700;line-height:1;font-variation-settings:"wdth" 110;color:var(--ink)}
.pill{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.06em;border:1px solid var(--line);border-radius:999px;padding:5px 11px;margin:4px 6px 0 0;background:#fff}
.pill.on{background:var(--terra);border-color:var(--terra);color:#fff}

/* piano for the chord finder */
.piano{position:relative;height:150px;margin-top:18px;user-select:none;-webkit-user-select:none;touch-action:manipulation}
.piano button{position:absolute;top:0;border:1px solid #2a2523;cursor:pointer;padding:0;font-family:"IBM Plex Mono",monospace;font-size:10px;color:var(--ink-soft);
  display:flex;align-items:flex-end;justify-content:center;padding-bottom:6px}
.piano .w{height:100%;background:#fff;border-radius:0 0 6px 6px;z-index:1}
.piano .b{height:62%;background:#1b1716;border-radius:0 0 4px 4px;z-index:2;color:#8b827c}
.piano button.on{background:var(--terra);color:#fff}
.piano .b.on{background:#a8432c}