/* Installment calculator «حاسبة الأقساط العقارية» (calc.js). Colours/fonts = tokens in styles.css :root.
   Desktop: a panel on the left (Yasmina's dock + chat stay on the right); the page and the picture stage move over
   when there is room. Phones: a sheet under the top bar that stops above Yasmina. */

/* ---------- top-bar button ---------- */
.calc-tab{padding:7px 13px;border-radius:999px;color:#fff;font-weight:600;white-space:nowrap;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.22);display:inline-flex;align-items:center;gap:6px;transition:background .15s}
.calc-tab:hover,.calc-tab[aria-expanded=true]{background:rgba(255,255,255,.22)}
.calc-tab:focus-visible{outline:3px solid var(--pale);outline-offset:2px}
.calc-tab .ic{flex:none;opacity:.95}

/* ---------- panel ---------- */
.calc{position:fixed;z-index:45;top:72px;bottom:18px;left:18px;width:min(420px,calc(100vw - 36px));display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden;
  font-size:14px;color:var(--text)}
html[dir=rtl] .calc{left:auto;right:18px}
.calc:not([hidden]){animation:calcin .32s cubic-bezier(.2,.8,.2,1)}
@keyframes calcin{from{opacity:0;transform:translateX(-18px)}to{opacity:1;transform:none}}

.calc-head{position:relative;display:flex;align-items:flex-start;gap:10px;padding:16px 18px 12px;border-bottom:1px solid var(--line-2)}
.calc-titles{flex:1;min-width:0}
.calc-head h2{font-size:18px;font-weight:800;color:var(--ink);line-height:1.3}
.calc-sub{font-size:12.5px;color:var(--muted);margin-top:2px}
.calc-x{width:34px;height:34px;flex:none;border-radius:50%;font-size:22px;line-height:1;color:var(--muted);display:inline-flex;
  align-items:center;justify-content:center;transition:background .15s,color .15s}
.calc-x:hover{background:var(--line-2);color:var(--ink)}
.calc-x:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.calc-badge{align-self:center;flex:none;white-space:nowrap;padding:4px 11px 4px 10px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:12px;font-weight:700;box-shadow:0 6px 18px rgba(11,61,92,.28);
  display:inline-flex;align-items:center;gap:6px;pointer-events:none}
.calc-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:#7fd1ae;box-shadow:0 0 0 3px rgba(127,209,174,.25)}
.calc-badge.show{animation:calcbadge 4.5s ease forwards}
@keyframes calcbadge{0%{opacity:0;transform:translateY(-6px)}8%{opacity:1;transform:none}85%{opacity:1}100%{opacity:0}}

.calc-body{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:14px 18px 16px}
.calc-project{display:inline-block;max-width:100%;margin-bottom:8px;padding:3px 10px;border-radius:999px;background:var(--pale);color:var(--brand);
  font-size:12px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- fields ---------- */
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}
.calc-wide{grid-column:1/-1}
.calc-field{min-width:0;border-radius:12px;transition:box-shadow .2s}
.calc-field label,.calc-label{display:flex;align-items:baseline;gap:6px;font-size:12.5px;font-weight:600;color:var(--ink-2);margin-bottom:5px}
.calc-unit{font-size:11px;font-weight:600;color:var(--muted-2)}
.calc-box{position:relative}
.calc-in{width:100%;height:44px;padding:0 13px;border:1px solid var(--line);border-radius:12px;background:#fbfcfd;color:var(--ink);
  font-size:16px;font-weight:600;font-variant-numeric:tabular-nums;text-align:right;transition:border-color .15s,box-shadow .15s,background .15s}
.calc-in::placeholder{color:var(--muted-2);font-weight:500}
.calc-in:hover{border-color:#cfd8e2}
.calc-in:focus{outline:none;border-color:var(--brand);background-color:#fff;box-shadow:0 0 0 3px rgba(11,61,92,.14)}
.calc-field.bad .calc-in{border-color:var(--red);box-shadow:0 0 0 3px rgba(179,59,73,.12)}
.calc-select{appearance:none;-webkit-appearance:none;cursor:pointer;direction:rtl;padding-inline-start:13px;padding-inline-end:34px;
  background:#fbfcfd url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7682' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat left 13px center/12px 12px}

.calc-dur{display:flex;gap:8px}
.calc-dur .calc-select{flex:1;min-width:0}
.calc-months-n{width:86px;flex:none;text-align:center}
.calc-hint{min-height:0;font-size:11.5px;color:var(--muted);margin-top:3px;line-height:1.4}
.calc-hint:empty{display:none}
.calc-hint.warn{color:var(--warn)}
.calc-hint.err{color:var(--red)}
.calc-range-wrap{margin-top:-2px}
.calc-range{width:100%;accent-color:var(--brand);height:22px;cursor:pointer}

/* segmented control */
.calc-seg{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:4px;border-radius:13px;background:var(--line-2);border:1px solid var(--line)}
.calc-seg button{height:36px;border-radius:9px;font-size:13px;font-weight:600;color:var(--ink-2);white-space:nowrap;transition:background .15s,color .15s,box-shadow .15s}
.calc-seg button:hover{color:var(--brand)}
.calc-seg button[aria-checked=true]{background:#fff;color:var(--brand);box-shadow:0 1px 3px rgba(29,39,51,.12),0 0 0 1px rgba(11,61,92,.08)}
.calc-seg button:focus-visible{outline:2px solid var(--brand);outline-offset:1px}

/* optional interest + fees */
.calc-more{margin-top:12px;border:1px dashed var(--line);border-radius:12px;padding:0 12px}
.calc-more summary{cursor:pointer;padding:10px 0;font-size:13px;font-weight:600;color:var(--brand);list-style-position:inside}
.calc-more[open]{padding-bottom:12px}
.calc-more .calc-in{height:40px;font-size:15px}

/* Yasmina's suggestion (not applied until Ahmed taps تطبيق) */
.calc-sugg{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:6px;padding:6px 8px;border-radius:10px;
  background:var(--warn-bg);color:var(--warn);font-size:12px;font-weight:600}
.calc-sugg-text{flex:1;min-width:0}
.calc-sugg-note{flex-basis:100%;order:3;font-weight:500;font-size:11.5px;color:var(--ink-2)}
.calc-sugg button{height:26px;padding:0 10px;border-radius:8px;font-size:12px;font-weight:700}
.calc-sugg-yes{background:var(--brand);color:#fff}
.calc-sugg-yes:hover{background:var(--brand-dark)}
.calc-sugg-no{background:rgba(173,96,28,.12);color:var(--warn)}
.calc-sugg button:focus-visible{outline:2px solid var(--brand);outline-offset:1px}

/* ---------- result ---------- */
.calc-result{margin-top:16px;padding:16px 18px 15px;border-radius:16px;color:#fff;
  background:radial-gradient(120% 140% at 100% 0%,#16557d 0%,var(--brand) 45%,var(--brand-dark) 100%);
  box-shadow:0 10px 26px rgba(7,42,64,.22);transition:box-shadow .3s}
.calc-res-top{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.calc-res-label{font-size:13px;font-weight:600;opacity:.88}
.calc-res-value{margin-top:6px;font-size:34px;line-height:1.15;font-weight:800;letter-spacing:-.5px;font-variant-numeric:tabular-nums;text-align:right}
.calc-res-line{margin-top:4px;font-size:12.5px;opacity:.85}
.calc-result.empty .calc-res-value{opacity:.45}
.calc-chip{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:700;white-space:nowrap}
.calc-chip.est{background:#ffe2b8;color:#7a3f0c}
.calc-chip.est::before{content:"⚠";font-size:11px}
.calc-chip.ok{background:#c9f0dc;color:#145a3b}

.calc-bar-wrap{margin-top:14px}
.calc-bar-head{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-2);font-weight:600;margin-bottom:6px}
.calc-bar-head b{color:var(--brand);font-variant-numeric:tabular-nums}
.calc-bar{height:8px;border-radius:999px;background:var(--line-2);overflow:hidden}
.calc-bar-fill{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--brand),#2f7fae);transition:width .35s ease}

.calc-rows{display:grid;grid-template-columns:auto 1fr;margin-top:12px;border-top:1px solid var(--line-2)}
.calc-rows dt,.calc-rows dd{padding:9px 0;border-bottom:1px solid var(--line-2)}
.calc-rows dt{color:var(--muted);font-size:13px}
.calc-rows dd{text-align:left;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.calc-rows dd.strong{font-weight:800}
.calc-rows dd.good{color:var(--ok)}
.calc-rows dd.over{color:var(--red)}
.calc-rows dd bdi{unicode-bidi:isolate}

.calc-problems{list-style:none;margin-top:12px;padding:9px 12px;border-radius:12px;background:var(--warn-bg);color:var(--warn);font-size:12px;line-height:1.55}
.calc-problems.bad{background:var(--red-bg);color:var(--red)}
.calc-problems li+li{margin-top:4px}
.calc-plan-note{margin-top:12px;font-size:11.5px;color:var(--muted);line-height:1.55}
.calc-plan-note.ok{color:var(--ok)}
.calc-reset{margin-top:10px;font-size:12px;color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.calc-reset:hover{color:var(--red)}

.calc-foot{padding:12px 18px 16px;border-top:1px solid var(--line-2);background:var(--surface)}
.calc-copy{width:100%;height:48px;border-radius:13px;background:var(--brand-dark);color:#fff;font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;gap:8px;transition:background .15s,transform .1s}
.calc-copy::before{content:"⧉";font-size:16px;opacity:.85}
.calc-copy:hover{background:var(--ink)}
.calc-copy:active{transform:scale(.99)}
.calc-copy:disabled{opacity:.45;cursor:default}
.calc-copy.done{background:var(--ok)}
.calc-copy.done::before{content:none}
.calc-copy:focus-visible,.calc-reset:focus-visible,.calc-more summary:focus-visible{outline:3px solid var(--brand);outline-offset:2px}

/* Yasmina changed this value: a short glow */
.calc-field.flash{animation:calcflash 1.6s ease}
.calc-field.flash .calc-in,.calc-field.flash .calc-seg{border-color:var(--brand)}
.calc-field.flash-pending{animation:calcflashp 1.6s ease}
.calc-result.flash{animation:calcres 1.2s ease}
@keyframes calcflash{0%,100%{box-shadow:0 0 0 0 rgba(11,61,92,0)}20%{box-shadow:0 0 0 4px rgba(11,61,92,.28)}}
@keyframes calcflashp{0%,100%{box-shadow:0 0 0 0 rgba(173,96,28,0)}20%{box-shadow:0 0 0 4px rgba(173,96,28,.3)}}
@keyframes calcres{0%,100%{box-shadow:0 10px 26px rgba(7,42,64,.22)}25%{box-shadow:0 0 0 4px rgba(11,61,92,.25),0 12px 30px rgba(7,42,64,.3)}}

/* ---------- room for the panel ---------- */
@media (min-width:1100px){
  body.calc-open main{max-width:none;margin-inline:0;margin-left:438px}
}
@media (min-width:1240px){
  /* the picture stage moves right of the calculator instead of under it */
  body.calc-open .stage{left:456px;width:min(820px,calc(100vw - 472px - 438px))}
}
@media (max-width:900px){
  .calc{top:68px;left:8px;right:8px;width:auto;bottom:calc(var(--ym-h, 220px) + 34px);border-radius:16px}
  html[dir=rtl] .calc{left:8px;right:8px}
  /* chat open too: the calculator takes the top part, the chat the space above Yasmina (like the picture stage) */
  body:has(#ymPanel:not([hidden])) .calc{bottom:auto;height:42vh;height:42dvh}
  body.calc-open .ym-panel{height:max(200px,calc(58vh - var(--ym-h) - 104px));height:max(200px,calc(58dvh - var(--ym-h) - 104px))}
}
@media (max-width:900px){
  /* small screens: the answer first, then the inputs */
  .calc-body{display:flex;flex-direction:column}
  .calc-project{order:-3;align-self:flex-start}
  .calc-result{order:-2;margin-top:0}
  .calc-bar-wrap{order:-1;margin-bottom:14px}
}
@media (max-width:640px){
  .calc-tab{padding:0;width:36px;height:34px;justify-content:center}
  .calc-tab .lbl{display:none}
  .calc-head{padding:12px 14px 10px}
  .calc-head h2{font-size:16px}
  .calc-body{padding:12px 14px 14px}
  .calc-foot{padding:10px 14px 12px}
  .calc-grid{gap:8px 10px}
  .calc-in{height:42px;font-size:15px}
  .calc-res-value{font-size:28px}
  .calc-seg button{font-size:12px}
  .calc-copy{height:44px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  .calc:not([hidden]),.calc-badge.show,.calc-field.flash,.calc-field.flash-pending,.calc-result.flash{animation:none}
  .calc-badge.show{opacity:1}
  .calc-bar-fill,.calc-in,.calc-seg button,.calc-tab,.calc-copy{transition:none}
}