/* ═══════════════════════════════════════════════════════════════
   FONT DECLARATIONS — MAINTAINABLE SECTION
   Font files live in /fonts/
   To swap a font: replace the src url and update the
   font-family name in the CSS variables below.
   ═══════════════════════════════════════════════════════════════ */

@font-face {
  font-family: 'DDIN';
  src: url('fonts/D-DIN.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: block;
}

@font-face {
  font-family: 'DDIN';
  src: url('fonts/D-DIN-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: block;
}

@font-face {
  font-family: 'DDINCond';
  src: url('fonts/D-DINCondensed.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: block;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: block;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('fonts/JetBrainsMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: block;
}

/* ═══════════════════════════════════════════════════════════════
   STYLES — EasyFrameChart
   All application styles for the UI shell, panels, controls,
   preview canvas, and status bar.
   Edit layout and visual theme here — do not inline in HTML.
   ═══════════════════════════════════════════════════════════════ */
:root{
  --bg:#111214;--panel:#18191d;--panel2:#1e2025;--border:#2a2c32;--border2:#353840;
  --accent:#e8d5a3;--accent2:#c4a96b;--cyan:#4ecdc4;--red:#e03030;
  --text:#d4d6da;--text2:#8a8d95;--text3:#555860;
  --ib:#111214;--ibr:#2e3035;--ifo:#c4a96b;
  --mono:'JetBrains Mono','Courier New',monospace;--head:DDIN,Arial,sans-serif;--body:DDIN,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden}
body{display:flex;flex-direction:column;background:var(--bg);color:var(--text);font-family:var(--body);font-size:13px}
#topbar{display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:48px;min-height:48px;background:var(--panel);border-bottom:1px solid var(--border);flex-shrink:0}
.logo{font-family:var(--head);font-size:18px;font-weight:700;letter-spacing:.15em;color:var(--accent);text-transform:uppercase}
.logo span{color:var(--text2);font-weight:300}
.logo sub{font-size:11px;letter-spacing:.05em;color:var(--text3);font-weight:400;vertical-align:middle;margin-left:6px}
.actions{display:flex;gap:8px}
.btn{font-family:var(--head);font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:7px 16px;border:1px solid var(--border2);background:var(--panel2);color:var(--text);cursor:pointer;transition:all .15s;border-radius:3px}
.btn:hover{border-color:var(--accent2);color:var(--accent)}
.btn.pri{background:var(--accent2);color:#111;border-color:var(--accent2)}
.btn.pri:hover{background:var(--accent);border-color:var(--accent)}
#main{display:flex;flex:1;overflow:hidden}
#lp{width:300px;min-width:300px;background:var(--panel);border-right:1px solid var(--border);overflow-y:auto;flex-shrink:0;scrollbar-width:thin;scrollbar-color:var(--border2) transparent}
#lp::-webkit-scrollbar{width:4px}
#lp::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}
.sec{border-bottom:1px solid var(--border)}
.sh{display:flex;align-items:center;gap:8px;padding:10px 16px;cursor:pointer;user-select:none;background:var(--panel2);border-bottom:1px solid var(--border);font-family:var(--head);font-size:11px;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--accent)}
.sh .n{background:var(--border2);color:var(--text2);width:18px;height:18px;border-radius:2px;display:flex;align-items:center;justify-content:center;font-size:10px;flex-shrink:0}
.sh .cv{margin-left:auto;transition:transform .2s;color:var(--text3);font-size:10px}
.sh.collapsed .cv{transform:rotate(-90deg)}
.sb{padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.sb.hidden{display:none}
.f{display:flex;flex-direction:column;gap:4px}
.f label{font-size:10px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--text2);font-family:var(--mono)}
.f input,.f select,.f textarea{background:var(--ib);border:1px solid var(--ibr);color:var(--text);font-family:var(--mono);font-size:12px;padding:6px 9px;border-radius:3px;outline:none;transition:border-color .15s;width:100%}
.f input:focus,.f select:focus,.f textarea:focus{border-color:var(--ifo)}
.f select option{background:#1a1c22}
.f input[type=number]{appearance:textfield;-moz-appearance:textfield}
.f input[type=number]::-webkit-outer-spin-button,.f input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none}
.f textarea{resize:vertical;min-height:46px}
.f input:disabled,.f select:disabled{opacity:.35;cursor:not-allowed;background:#0e0f11}
.f input[type=range]{padding:0;height:18px;accent-color:var(--accent2)}
.r2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.r3{display:grid;grid-template-columns:1fr 18px 1fr;gap:4px;align-items:end}
.r3 .colon{padding-bottom:8px;color:var(--text3);text-align:center;font-size:16px;font-weight:300;line-height:1}
.badge{font-family:var(--mono);font-size:10px;color:var(--accent2);background:#2a2510;border:1px solid #4a3f20;border-radius:2px;padding:3px 7px;display:inline-block;letter-spacing:.05em;align-self:flex-start}
.badge.err{color:var(--red);background:#2a1010;border-color:#5a2020}
.alert{font-size:10px;color:var(--red);font-family:var(--mono);padding:5px 8px;background:#2a1010;border:1px solid #5a2020;border-radius:2px;line-height:1.4}
.alert.h{display:none}
.cr{display:flex;align-items:center;gap:9px;cursor:pointer;padding:4px 0}
.cr input[type=checkbox]{accent-color:var(--cyan);width:14px;height:14px;cursor:pointer;flex-shrink:0}
.cr span{font-size:12px;color:var(--text)}
.cr.sm span{font-size:11px;color:var(--text2)}
.so{padding:8px 12px;background:#15161a;border:1px solid var(--border);border-radius:3px;display:flex;flex-direction:column;gap:8px;margin-top:2px}
.so.h{display:none}
.swr{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.swl{font-family:var(--mono);font-size:9px;color:var(--text3);white-space:nowrap;min-width:72px;display:inline-block}
.sw{width:20px;height:20px;border-radius:3px;cursor:pointer;border:2px solid transparent;transition:border-color .12s,box-shadow .12s;flex-shrink:0}
.sw.on{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan)}
.mt{display:flex;border:1px solid var(--border2);border-radius:3px;overflow:hidden}
.mb{flex:1;padding:5px 8px;font-family:var(--head);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;text-align:center;cursor:pointer;background:var(--ib);color:var(--text2);border:none;transition:all .15s}
.mb.on{background:var(--accent2);color:#111}
.sepl{height:1px;background:var(--border);margin:2px 0}
.mfr{display:flex;align-items:flex-start;gap:8px}
.mfr input[type=checkbox]{margin-top:7px;accent-color:var(--cyan);flex-shrink:0;width:14px;height:14px}
.mfr .f{flex:1}
.upl{border:1px dashed var(--border2);border-radius:3px;padding:10px;text-align:center;cursor:pointer;font-size:11px;color:var(--text3);font-family:var(--mono);transition:border-color .15s}
.upl:hover{border-color:var(--accent2);color:var(--text2)}
.upl input{display:none}
.lprev{display:none;align-items:center;gap:8px;background:#15161a;border:1px solid var(--border);border-radius:3px;padding:8px}
.lprev img{height:28px;max-width:70px;object-fit:contain}
.lprev .rm{font-size:10px;color:var(--red);cursor:pointer;font-family:var(--mono);margin-left:auto;padding:3px 7px;border:1px solid #5a2020;border-radius:2px}
.lprev .rm:hover{background:#2a1010}
.rores{font-family:var(--mono);font-size:11px;color:var(--accent2);background:#15161a;border:1px solid var(--border);border-radius:3px;padding:5px 8px;letter-spacing:.04em}
/* Info section */
.info-body{padding:14px 16px;font-family:var(--mono);font-size:11px;color:var(--text2);line-height:1.7;display:flex;flex-direction:column;gap:12px}
.info-body.hidden{display:none}
.info-ver{font-size:10px;color:var(--text3);letter-spacing:.06em}
.info-block{display:flex;flex-direction:column;gap:4px}
.info-block h4{font-family:var(--head);font-size:10px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent2);margin-bottom:2px}
.info-block p{font-size:11px;color:var(--text2);line-height:1.6}
.info-divider{height:1px;background:var(--border)}
.feedback-btn{font-family:var(--head);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:8px 14px;border:1px solid var(--accent2);background:transparent;color:var(--accent2);cursor:pointer;border-radius:3px;transition:all .15s;text-align:center}
.feedback-btn:hover{background:var(--accent2);color:#111}
#zb{display:flex;align-items:center;gap:10px;padding:0 20px;height:36px;min-height:36px;background:var(--panel);border-top:1px solid var(--border);flex-shrink:0}
#zb label{font-family:var(--mono);font-size:11px;color:var(--text2)}
#zb input[type=range]{accent-color:var(--accent2);width:120px}
#zv{font-family:var(--mono);font-size:11px;color:var(--accent2);min-width:36px}
.zt{font-family:var(--mono);font-size:10px;color:var(--text2);background:none;border:1px solid var(--border);padding:3px 10px;cursor:pointer;border-radius:3px}
.zt:hover{border-color:var(--border2);color:var(--text)}
#rp{flex:1;display:flex;flex-direction:column;overflow:hidden}
#cvwrap{flex:1;overflow:auto;background:radial-gradient(ellipse at center,#141620 0%,#0a0b0d 100%);scrollbar-width:thin;scrollbar-color:var(--border2) transparent}
#cvwrap::-webkit-scrollbar{width:6px;height:6px}
#cvwrap::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}
#chartsvg{box-shadow:0 0 60px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.04);display:block}
#stbar{padding:0 20px;height:28px;min-height:28px;display:flex;align-items:center;gap:16px;background:var(--panel);border-top:1px solid var(--border);font-family:var(--mono);font-size:10px;color:var(--text3);flex-shrink:0}
#stbar span{color:var(--accent2)}