/* styles/calc.css — UI ماشین‌حساب (کامل جایگزین شود) */

/* پایه پنل */
#panel-calc{
  --calc-bg: var(--paper,#fff);
  --calc-ink: var(--ink,#1f2937);
  --calc-muted: var(--muted,#f3f4f6);
  --calc-accent: var(--accent,#ee7bb5);
  --calc-border: color-mix(in oklab, var(--clr,#334155), transparent 82%);
  --calc-shadow: var(--shadow,0 10px 26px rgba(30,25,15,.08));
  --r: 12px;
  --gap: 12px;
  --h: 30px;
  --fs: 13px;
  color: var(--calc-ink);
}
#panel-calc .panel__inner{padding:12px}
#panel-calc .panel__title{margin:0 0 8px;font-weight:800}

/* ریشه ماژول */
.calc__root{
  background:var(--calc-bg);
  border:1px solid var(--calc-border);
  border-radius:var(--r);
  box-shadow:var(--calc-shadow);
  padding:12px;
  display:flex;flex-direction:column;gap:var(--gap);
}

/* نوار ابزار بالا */
.calc__toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.calc__spacer{flex:1 1 auto}
#panel-calc .chip{
  height:var(--h); padding:0 14px; border-radius:999px;
  border:1px solid var(--calc-border);
  background:color-mix(in oklab,var(--calc-bg),var(--calc-accent) 10%);
  color: var(--calc-ink);
  font:800 12px/1 "Inter","Vazirmatn",system-ui,sans-serif;
  display:inline-grid; place-items:center; cursor:pointer;
  transition:transform .08s ease, filter .18s ease, background .18s ease;
}
#panel-calc .chip:hover{transform:translateY(-1px)}
#panel-calc .chip--primary{
  background: var(--calc-accent);
  border-color: color-mix(in oklab,var(--calc-accent),black 18%);
  color:#111; font-weight:900;
}

/* ظرف ردیف‌ها */
.calc__rows{display:grid;gap:10px}

/* هر ردیف */
.calc__box{
  position:relative;
  background:var(--calc-bg);
  border:1px solid var(--calc-border);
  border-radius:10px;
  padding:10px;
  display:grid; gap:10px;
}
.calc__boxHeader{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.calc__boxIndex{
  font:900 12px/1.2 "Inter","Vazirmatn",system-ui,sans-serif;
  color:color-mix(in oklab,var(--calc-accent),black 10%);
}

.calc__box:focus-within{box-shadow:0 0 0 2px color-mix(in oklab,var(--calc-accent),transparent 84%) inset}

/* ——— کسر میزانِ دو ردیفی ——— */
.meter-grid{position:relative;display:grid;gap:8px}
.meter-row{
  display:grid;
  grid-template-columns:30px minmax(44px,70px) auto auto 1fr;
  column-gap:2px;
  align-items:center;
}
.meter-label{font-size:11px;font-weight:800}
.meter-row .in-num{margin-inline-start:-2px;}
.meter-row .in-den{margin-inline-start:-2px;}

.frac-line{
  position:absolute; left:30px; right:0;
  top:calc(50% - .5px); height:1px;
  background:var(--calc-border); border-radius:1px;
}

.inline-label{font-size:11px;font-weight:700;opacity:.7;line-height:1.2;white-space:nowrap}
.tempo-label{justify-self:start; margin-inline-start:10px;}
.tempo-eq{display:inline-flex;align-items:center;gap:6px;justify-self:start}
.bars-label{justify-self:start; margin-inline-start:10px;}

/* کنترل‌های عمومی */
.calc__input,.calc__select{
  height:var(--h); border-radius:8px; min-width:0;
  border:1px solid var(--calc-border);
  background:var(--calc-bg); color:var(--calc-ink);
  font:700 var(--fs)/1.1 "Inter","Vazirmatn",system-ui,sans-serif;
  padding:0 8px; transition:border-color .18s, box-shadow .18s, background .18s;
}
.calc__input:focus-visible,.calc__select:focus-visible{
  outline:none;
  border-color: color-mix(in oklab,var(--calc-accent),transparent 30%);
  box-shadow: 0 0 0 2px color-mix(in oklab,var(--calc-accent),transparent 85%);
}
.calc__input[disabled], .calc__select[disabled]{opacity:.65;cursor:not-allowed}

/* اندازه‌های خاص */
.in-num{ text-align:center; width:72px; }
.in-den{ text-align:center; width:72px; }
.in-bars{ text-align:center; width:7ch; }
.in-bpm{ text-align:center; width:8.2ch; font-variant-numeric:tabular-nums; }
@media (min-width: 720px){
  .in-bpm{width:9ch;}
}

/* سلکت نت پایه = فقط گلیف از Noto Music */
.sel-note{
  font-family:"Noto Music","NotoMusic","Vazirmatn",system-ui,sans-serif !important;
  font-size:20px; line-height:1; width:2.6ch; min-width:2.6ch;
  text-align:center; padding:0 4px; appearance:none; -webkit-appearance:none; -moz-appearance:none;
}
.sel-note option{font-size:20px}
.calc__noteGlyph{
  font-family:"Noto Music","NotoMusic","Vazirmatn",system-ui,sans-serif;
  font-size:17px; font-weight:900; opacity:.9; min-width:2.2ch; text-align:center;
}

/* ——— زمان: تیک → ظاهرِ سه سلکتور چسبیده ——— */
.time-toggle{margin-top:4px}
.calc__timeHdr{display:inline-flex; align-items:center; gap:8px}
.calc__timeHdr input{width:15px;height:15px; accent-color:var(--calc-accent); cursor:pointer}
.time-row{margin-top:8px}
.time-row--disabled .calc__input{
  background:#f2f4f7;
  border-color:color-mix(in oklab,var(--calc-border),white 30%);
  color:color-mix(in oklab,var(--calc-ink),transparent 40%);
  opacity:1;
}
.time-row--disabled .calc__input.calc__input--solved{
  color:#15803d;
}
.time-row--disabled .calc__sep,
.time-row--disabled .calc__hint{opacity:.45}
.time-pack{display:inline-flex; align-items:center; gap:6px}
.time-pack .calc__input{
  height:28px;
  font-size:13px;
  padding:0 8px;
  width:70px;
  text-align:center;
}

.time-pack .calc__input.calc__input--solved{
  color:#15803d;
}
.calc__sep{opacity:.55}
.calc-autoModal[hidden]{display:none}
.calc-autoModal{
  position:fixed;
  inset:0;
  z-index:4000;
  display:grid;
  place-items:center;
  pointer-events:none;
}
.calc-autoModal__backdrop{
  position:absolute;
  inset:0;
  background:color-mix(in oklab, var(--calc-ink,#000), transparent 40%);
  backdrop-filter:blur(3px);
  pointer-events:auto;
}
.calc-autoModal__dialog{
  position:relative;
  width:min(320px,calc(100vw - 32px));
  background:var(--calc-bg);
  border-radius:14px;
  box-shadow:0 18px 48px rgba(15,23,42,.22);
  border:1px solid color-mix(in oklab,var(--calc-border),transparent 40%);
  padding:20px;
  pointer-events:auto;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.calc-autoModal__header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.calc-autoModal__header h3{
  margin:0;
  font:800 16px/1.2 "Inter","Vazirmatn",system-ui,sans-serif;
  color:var(--calc-ink);
}
.calc-autoModal__close{
  border:none;
  background:transparent;
  color:var(--calc-ink);
  font-size:24px;
  line-height:1;
  cursor:pointer;
  padding:0;
  width:32px;
  height:32px;
  border-radius:50%;
  display:grid;
  place-items:center;
}
.calc-autoModal__hint{
  margin:0;
  font:600 14px/1.6 "Inter","Vazirmatn",system-ui,sans-serif;
  color:color-mix(in oklab,var(--calc-ink),transparent 15%);
}
.calc-autoModal__options{
  display:grid;
  gap:10px;
}
.calc-autoModal__option{
  border-radius:12px;
  border:1px solid color-mix(in oklab,var(--calc-border),transparent 10%);
  background:color-mix(in oklab,var(--calc-bg),var(--calc-accent) 12%);
  color:var(--calc-ink);
  font:800 13px/1.4 "Inter","Vazirmatn",system-ui,sans-serif;
  padding:12px 14px;
  text-align:center;
  cursor:pointer;
  transition:transform .12s ease, box-shadow .18s ease, background .18s ease;
}
.calc-autoModal__option:hover,
.calc-autoModal__option:focus-visible{
  transform:translateY(-1px);
  outline:none;
  box-shadow:0 12px 24px rgba(15,23,42,.18);
}
.calc-autoModal__option:active{
  transform:translateY(0);
}
.calc__hint{display:block; margin-top:4px; font-size:11px; opacity:.75}

.calc__input--solved{
  border-color:color-mix(in oklab,#16a34a,transparent 30%);
  box-shadow:0 0 0 1px color-mix(in oklab,#16a34a,transparent 50%);
  color:#15803d;
}

@media (max-width: 600px){
  .time-pack .calc__input{
    width:49px;
  }
}

/* دکمه‌های + / − هر ردیف */
.calc__rowActions{
  position:absolute; inset-inline-end:10px; inset-block-end:10px;
  display:flex; gap:8px;
}
#panel-calc .icon-btn{
  width:28px;height:28px;border-radius:8px;
  border:1px solid var(--calc-border);
  background:color-mix(in oklab,var(--calc-bg),var(--calc-accent) 10%);
  display:grid;place-items:center;cursor:pointer;
  transition:transform .08s ease, background .18s ease, border-color .18s ease;
}
#panel-calc .icon-btn:hover{transform:translateY(-1px)}
#panel-calc .icon-btn ion-icon{font-size:17px;pointer-events:none}

/* خروجی JSON ساده */
.calc__result{
  margin-top:2px; padding:8px 10px;
  border:1px dashed var(--calc-border); border-radius:8px;
  background:color-mix(in oklab,var(--calc-muted),transparent 60%);
  font:700 12px/1.45 ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  white-space:pre-wrap; word-break:break-word;
  display:flex; align-items:center; justify-content:center;
  text-align:center;
}

.calc__result[hidden]{
  display:none;
}

/* خطای XOR (یکی از تمپو/تعداد میزان) */
.calc__box.is-error .in-bpm,
.calc__box.is-error .in-bars{
  border-color: color-mix(in oklab,#e11d48, transparent 20%);
  background: color-mix(in oklab,#e11d48, var(--calc-bg) 92%);
}

/* RTL/LTR هماهنگ با کل برنامه */
:root:dir(rtl) #panel-calc .calc__toolbar,
:root:dir(rtl) #panel-calc .calc__rows,
:root:dir(rtl) #panel-calc .calc__box {direction:rtl}
:root:dir(ltr) #panel-calc .calc__toolbar,
:root:dir(ltr) #panel-calc .calc__rows,
:root:dir(ltr) #panel-calc .calc__box {direction:ltr}

/* دارک‌مود ریزه‌کاری */
body[data-theme="dark"] #panel-calc .chip{
  background:color-mix(in oklab,var(--calc-bg),var(--calc-accent) 16%);
}