.ydl-fm{--fm-cyan:#6de7ff;--fm-line:#29414d;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:#0c141f;color:#ecf6ff;border:1px solid var(--fm-line);border-radius:20px;overflow:hidden;margin:0 0 32px;line-height:1.6;font-size:15px;text-align:left;color-scheme:dark;isolation:isolate}.ydl-fm,.ydl-fm *{box-sizing:border-box}.ydl-fm [hidden]{display:none!important}.ydl-fm .fm-head{padding:24px 26px;background:radial-gradient(ellipse at right top,#173846,transparent 70%);border-bottom:1px solid var(--fm-line)}.ydl-fm .fm-kicker{display:block;font:700 11px/1.5 ui-monospace,monospace;letter-spacing:.16em;color:#72f1b8;margin-bottom:12px}.ydl-fm .fm-head strong{display:block;font-size:clamp(23px,3vw,32px);letter-spacing:-.04em;line-height:1.2}.ydl-fm .fm-head strong span{font-size:.52em;letter-spacing:.07em;color:#9bb2c6}.ydl-fm p{font-size:13px;line-height:1.7;margin:10px 0;color:#b6c8d6}.ydl-fm .fm-status{display:inline-block;font-size:11px;color:#72f1b8}.ydl-fm button{font:700 14px/1.4 system-ui;cursor:pointer;border:1px solid #395462;border-radius:9px;color:#dbeaf6;background:#142331;min-height:44px;padding:10px 12px;box-shadow:none;text-shadow:none;margin:0;letter-spacing:normal;appearance:none}.ydl-fm button:hover{background:#223b4b;border-color:#6de7ff}.ydl-fm button:focus-visible,.ydl-fm input:focus-visible,.ydl-fm select:focus-visible,.ydl-fm summary:focus-visible{outline:3px solid #6de7ff;outline-offset:3px}.ydl-fm .fm-modes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;padding:14px}.ydl-fm .fm-modes button{font-size:14px;padding:10px 4px}.ydl-fm .fm-modes small{display:block;font-size:10px;font-weight:500;opacity:.65}.ydl-fm button[aria-pressed=true]{background:#6de7ff;color:#07131c;border-color:#6de7ff}.ydl-fm .fm-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.ydl-fm .fm-input,.ydl-fm .fm-output{padding:20px 24px 24px;min-width:0}.ydl-fm .fm-output{background:#0e202b;border-left:1px solid var(--fm-line)}.ydl-fm .fm-section-label{font:600 11px/1.5 ui-monospace,monospace;letter-spacing:.08em;color:#8daabc;margin-bottom:20px}.ydl-fm .fm-row{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:10px}.ydl-fm .fm-field{display:block;min-width:0;margin-bottom:14px}.ydl-fm .fm-field>span{display:block;color:#c7d7e2;font-size:12px;font-weight:700;margin-bottom:7px}.ydl-fm input,.ydl-fm select,.ydl-fm textarea{width:100%;max-width:100%;min-width:0;background:#080f19;color:#f3f9ff;border:1px solid #395462;border-radius:9px;min-height:52px;padding:10px;font:600 18px/1.4 system-ui;margin:0;box-shadow:none}.ydl-fm select{font-size:16px}.ydl-fm input[aria-invalid=true]{border-color:#ff889c}.ydl-fm .fm-presets{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 10px}.ydl-fm .fm-presets button{font-size:12px;min-width:45px;padding:8px}.ydl-fm .fm-hint{font-size:11px;margin:0 0 20px}.ydl-fm .fm-value{font-size:clamp(40px,5vw,60px);font-weight:800;line-height:1.2;letter-spacing:-.05em;color:#6de7ff;overflow-wrap:anywhere;margin:8px 0 18px}.ydl-fm .fm-value small{font-size:22px;letter-spacing:0;margin-left:8px}.ydl-fm .fm-result-label{font-size:14px;color:#d3e1ea}.ydl-fm .fm-details{padding:14px 0;border-top:1px solid #29414d;font-size:14px;overflow-wrap:anywhere}.ydl-fm .fm-tank-row{padding:10px 12px;border-radius:8px;background:#183340;margin:8px 0;font-size:14px}.ydl-fm .fm-tank-row strong{color:#72f1b8}.ydl-fm .fm-copy{width:100%;background:#6de7ff;color:#06151c;min-height:50px;margin-top:16px}.ydl-fm button:disabled{opacity:.45;cursor:not-allowed}.ydl-fm .fm-safety{border-top:1px solid #29414d;padding-top:14px;font-size:12px}.ydl-fm .fm-warning,.ydl-fm .fm-mass{color:#ffda82;font-size:12px}.ydl-fm .fm-error{color:#ffb4c1;background:#38202b;border:1px solid #80515c;border-radius:10px;padding:16px}.ydl-fm .fm-history{border-top:1px solid var(--fm-line);padding:16px 24px}.ydl-fm summary{cursor:pointer;font-size:13px;min-height:36px;padding:6px 0}.ydl-fm summary span{color:#8daabc;margin-left:12px}.ydl-fm [data-history] button{display:block;width:100%;text-align:left;margin-bottom:8px;font-size:12px}.ydl-fm textarea{font-size:14px;min-height:180px}.ydl-fm [data-copy-status]:empty{display:none}@media(max-width:900px){.ydl-fm .fm-grid{grid-template-columns:1fr}.ydl-fm .fm-output{border-left:0;border-top:1px solid var(--fm-line)}}@media(max-width:420px){.ydl-fm .fm-input,.ydl-fm .fm-output,.ydl-fm .fm-head{padding:18px 14px}.ydl-fm .fm-modes{padding:10px;gap:4px}.ydl-fm .fm-modes button{font-size:12px}.ydl-fm .fm-row{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}.ydl-fm .fm-head strong span{display:block;margin-top:6px}}@media print{.ydl-fm{color:#000;background:#fff}.ydl-fm .fm-input,.ydl-fm .fm-modes,.ydl-fm .fm-history,.ydl-fm .fm-copy{display:none}.ydl-fm .fm-grid{display:block}.ydl-fm .fm-output{background:white;color:black}.ydl-fm p,.ydl-fm .fm-value{color:black}}
/* Explicit field specificity protects against STORK19's later type selectors. */
.ydl-fm .fm-field input[data-field]{display:block;width:100%;background:#080f19;color:#f3f9ff;border:1px solid #395462;border-radius:9px;padding:10px;min-height:52px;font:600 18px/1.4 system-ui;box-shadow:none;appearance:none}
.ydl-fm .fm-field select[data-field]{appearance:auto;background-image:none}
@media(max-width:420px){.ydl-fm .fm-modes{grid-template-columns:repeat(2,minmax(0,1fr))}.ydl-fm .fm-modes button{min-height:48px;font-size:13px}.ydl-fm .fm-modes small{display:inline;margin-right:8px}}

/* v1.4.1 SEARCH SIGNAL QUICK TUNE */
.ydl-fm .fm-quick-guide{margin:0;padding:18px 24px 22px;border-top:1px solid var(--fm-line);background:#0a111a}
.ydl-fm .fm-guide-kicker{display:block;margin:0 0 7px;color:#72f1b8;font:700 10px/1.5 ui-monospace,monospace;letter-spacing:.14em}
.ydl-fm .fm-quick-guide h3{margin:0 0 8px!important;padding:0!important;border:0!important;background:none!important;color:#ecf6ff!important;font:800 17px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif!important;letter-spacing:0!important;box-shadow:none!important}
.ydl-fm .fm-quick-guide h3::before,.ydl-fm .fm-quick-guide h3::after{display:none!important;content:none!important}
.ydl-fm .fm-quick-guide p{margin:6px 0 0;color:#b6c8d6;font-size:12px;line-height:1.8}
.ydl-fm .fm-quick-guide strong{color:#fff}
@media(max-width:420px){.ydl-fm .fm-quick-guide{padding:16px 14px 18px}}