/* Backtest Laboratuvarı (v3, Paket C) — app.css değişkenlerini kullanır. */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.lab-warn { color: #fde7b0; background: #2a1f06; border: 1px solid #6b4d0b; border-radius: 10px; padding: 8px 12px; margin: 0 0 var(--gap); font-size: 13px; }
.lab-mock { color: #fecaca; background: #3d1515; border: 1px dashed var(--down); border-radius: 10px; padding: 8px 12px; margin: 0 0 var(--gap); font-weight: 700; text-align: center; }

/* koşu formu */
.lab-form fieldset { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px 12px; margin: 10px 0; min-width: 0; }
.lab-form legend { color: var(--muted); font-size: 13px; font-weight: 700; padding: 0 6px; }
.lab-src { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.lab-src input[type=radio] { accent-color: var(--accent); width: 16px; height: 16px; margin: 0; }
.lab-src label.inline { color: var(--text); font-weight: 600; }
.lab-src input[type=text] { flex: 1 1 260px; min-width: 0; }
.lab-trend { grid-column: auto; align-self: center; color: var(--text); }
.lab-strats .chips { margin: 4px 0 0; }
.lab-strats .chip { font: inherit; font-size: 13px; font-weight: 600; }
.lab-strats .chip.on { box-shadow: inset 0 -2px 0 var(--accent); }
.lab-progress { max-width: none; margin-top: 8px; }
.lab-prog-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.lab-coverage p { margin: 4px 0; }
.lab-coverage .tag { margin: 0 6px 0 0; }
.lab-csv { margin-top: 8px; }
.lab-empty { text-align: center; padding: 30px 18px; }

/* açıklama anahtarları */
.lab-key { display: inline-block; padding: 0 6px; border-radius: 5px; }
.lab-key.edge { background: #12391f; color: var(--up); }
.lab-key.dim { background: var(--panel2); opacity: .6; }
.lab-key.pos { background: rgba(34, 197, 94, .45); color: var(--text); }
.lab-key.neg { background: rgba(239, 68, 68, .45); color: var(--text); }

/* tablolar */
#view-lab .table-wrap, .lab-dialog .table-wrap { overflow-x: auto; }
.lab-table td, .lab-table th { padding: 8px 8px; vertical-align: middle; }
.lab-table th { position: relative; }
.lab-sort { background: none; border: 0; color: inherit; font: inherit; letter-spacing: inherit; text-transform: inherit; padding: 0; cursor: pointer; }
.lab-sort:hover, .lab-sort.on { color: var(--text); }
.lab-table td.num .lab-v { display: inline-block; min-width: 4.2em; }
.lab-table tr.edge { background: rgba(34, 197, 94, .08); box-shadow: inset 3px 0 0 var(--up); }
.lab-table tr.dim > td { opacity: .5; }
.lab-table tr.sel { background: #22304a; }
.lab-table tbody tr:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.lab-rank { display: inline-block; min-width: 1.6em; color: var(--muted); font-variant-numeric: tabular-nums; }
.tag.lab-edge { background: #12391f; color: var(--up); }
.tag.lab-na { background: var(--panel2); color: var(--muted); }
.lab-trades tbody tr { cursor: default; }

/* GA çubukçuğu ve kıvılcım eğrisi */
svg.ci { vertical-align: middle; margin-left: 6px; overflow: visible; }
svg.ci .ax { stroke: var(--line); stroke-width: 1; }
svg.ci .zero { stroke: var(--muted); stroke-width: 1; opacity: .7; }
svg.ci .rng { stroke-width: 4; stroke-linecap: round; stroke: var(--muted); }
svg.ci circle { fill: var(--text); }
svg.ci.pos .rng { stroke: var(--up); } svg.ci.neg .rng { stroke: var(--down); } svg.ci.mid .rng { stroke: #64748b; }
svg.spark { display: block; }
svg.spark polyline { fill: none; stroke-width: 1.6; }
svg.spark.pos polyline { stroke: var(--up); } svg.spark.neg polyline { stroke: var(--down); }
svg.spark .zero { stroke: var(--line); stroke-dasharray: 2 2; }

/* strateji ayrıntısı + eşitlik eğrisi */
.lab-detail { margin-top: 14px; background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.lab-detail-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 8px; }
.lab-detail-head h3 { font-size: 18px; }
.lab-stats { margin: 8px 0; }
.lab-h4 { margin: 16px 0 6px; font-size: 15px; }
.lab-eq { margin: 10px 0 0; }
.lab-eq svg { width: 100%; height: auto; display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; }
.lab-eq text { fill: var(--muted); font-size: 11px; font-family: inherit; }
.lab-eq .grid { stroke: var(--line); stroke-width: 1; }
.lab-eq .zero { stroke: var(--muted); stroke-dasharray: 4 4; stroke-width: 1; }
.lab-eq .line { fill: none; stroke-width: 2; vector-effect: non-scaling-stroke; }
.lab-eq .line.pos { stroke: var(--up); } .lab-eq .line.neg { stroke: var(--down); }
.lab-eq .area.pos { fill: rgba(34, 197, 94, .10); } .lab-eq .area.neg { fill: rgba(239, 68, 68, .10); }
.lab-eq figcaption { margin-top: 4px; }

/* güven rozetleri */
.conf { display: inline-block; font-size: 12px; font-weight: 700; border-radius: 99px; padding: 2px 9px; border: 1px solid transparent; white-space: nowrap; }
.conf-hi { background: #12391f; color: #4ade80; border-color: #1f6b3a; }
.conf-mid { background: #0f2d3d; color: #7dd3fc; border-color: #1d5470; }
.conf-lo { background: #3b2a06; color: var(--accent); border-color: #6b4d0b; }
.conf-na { background: var(--panel2); color: var(--muted); border-color: var(--line); }

/* hisse × strateji matrisi */
.lab-mx { width: auto; border-collapse: separate; border-spacing: 2px; }
.lab-mx th, .lab-mx td { border: 0; padding: 0; }
.lab-mx .mx-sym { position: sticky; left: 0; z-index: 1; background: var(--panel); text-align: left; padding: 0 10px 0 2px; font-size: 13px; }
.lab-mx .mx-sym .linklike { color: var(--text); font-weight: 800; text-decoration: none; }
.lab-mx th.mx-h { height: 118px; vertical-align: bottom; text-transform: none; letter-spacing: 0; font-weight: 600; }
.lab-mx th.mx-h span { display: block; writing-mode: vertical-rl; transform: rotate(180deg); white-space: nowrap; max-height: 112px; overflow: hidden; text-overflow: ellipsis; margin: 0 auto; }
.lab-mx td.mx-c { width: 40px; height: 30px; }
.lab-mx td.mx-c button { width: 40px; height: 30px; border: 0; border-radius: 5px; color: var(--text); font: 700 12px/1 inherit; font-family: inherit; cursor: pointer; font-variant-numeric: tabular-nums; }
.lab-mx td.mx-c button:hover { outline: 2px solid var(--accent); outline-offset: -1px; }
.lab-mx td.mx-c.thin button { opacity: .38; }
.lab-mx td.mx-none { background: repeating-linear-gradient(45deg, transparent 0 4px, var(--line) 4px 5px); border-radius: 5px; opacity: .35; }
.lab-mx tbody tr { cursor: default; }
.lab-mx tbody tr:hover { background: none; }

/* hisse kartı (dialog) */
.lab-dialog { max-width: 880px; max-height: 90vh; overflow-y: auto; }
.lab-card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.lab-card-head h2 { margin: 0; }
.lab-dialog .lab-warn { margin: 10px 0; }
.lab-verdict { font-size: 15px; margin: 6px 0 10px; }

/* Tara: sonuç satırındaki "Geçmiş" düğmesi */
.lab-hist { font: inherit; font-size: 11px; font-weight: 700; color: var(--blue); background: transparent; border: 1px solid #1d5470; border-radius: 6px; padding: 1px 6px; margin-left: 6px; cursor: pointer; vertical-align: 2px; }
.lab-hist:hover { background: #0f2d3d; }

@media (max-width: 640px) {
  .lab-opt { display: none; }
  .lab-table td, .lab-table th { padding: 7px 5px; }
  .lab-table td.num .lab-v { min-width: 0; display: block; }
  svg.ci { margin: 2px 0 0; width: 60px; }
  .lab-table td:first-child, .lab-table th:first-child { position: sticky; left: 0; z-index: 1; background: var(--panel); }
  .lab-detail .lab-table td:first-child, .lab-detail .lab-table th:first-child { background: var(--bg); }
  .lab-table tr.edge td:first-child { background: #11261d; }
  .lab-table td .nm { max-width: 28vw; }
  .lab-table td:first-child { white-space: normal; min-width: 110px; max-width: 40vw; }
  .lab-table td:first-child .tag { margin-left: 0; }
  .lab-rank { min-width: 1.2em; }
  .lab-mx td.mx-c, .lab-mx td.mx-c button { width: 34px; }
  .lab-dialog { width: 100vw; max-width: 100vw; max-height: 94vh; margin: auto 0 0; border-radius: 18px 18px 0 0; padding: 14px; }
}

/* ---- v4 (Paket E): rejim seçici, birleşimler, gelişmiş ayarlar, parametre taraması ---- */
.lab-regime { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin: 6px 0 10px; }
.lab-regime .seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.lab-regime .seg-b { font: inherit; font-size: 13px; font-weight: 700; color: var(--muted); background: var(--panel2); border: 0; border-right: 1px solid var(--line); padding: 6px 12px; cursor: pointer; }
.lab-regime .seg-b:last-child { border-right: 0; }
.lab-regime .seg-b.on { color: var(--text); background: #22304a; box-shadow: inset 0 -2px 0 var(--accent); }
.lab-regime .seg-b.now { position: relative; }
.lab-regime .seg-b.now::after { content: ""; position: absolute; top: 5px; right: 5px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.lab-regime .seg-b .muted { font-weight: 500; font-size: 11px; }
.lab-reg-now { font-size: 14px; }
.lab-reg-now b, .lab-regtab b { text-transform: capitalize; }
.reg-up { color: var(--up); } .reg-down { color: var(--down); } .reg-neutral { color: #7dd3fc; }
.lab-cmb-toggle { margin-left: auto; color: var(--muted); }
.lab-reg-note, .lab-reg-line { margin: 4px 0 8px; }
.lab-table tr.lab-combo-sep td { background: var(--panel2); padding: 8px 10px; font-size: 13px; }
.lab-table tr.lab-combo .lab-rank { color: #c4b5fd; min-width: 2.4em; }
.tag.lab-cmb { background: #2b2350; color: #c4b5fd; }
.tag.lab-now { background: #3b2a06; color: var(--accent); }
.lab-adv { margin: 6px 0 10px; }
.lab-adv summary { cursor: pointer; color: var(--muted); font-weight: 700; font-size: 13px; }
.lab-adv .row { margin-top: 8px; align-items: center; }
.lab-adv input[type=number] { width: 6.5em; }
.lab-wf-link { margin: 2px 0 0; }
.lab-wf .wf-params #wf-param-list { display: grid; gap: 6px; }
.lab-wf .wf-p { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; justify-content: space-between; border-bottom: 1px dashed var(--line); padding: 4px 0; }
.lab-wf .wf-p:last-child { border-bottom: 0; }
.lab-wf .wf-rng input { width: 6em; }
.lab-wf .wf-mt { margin: 10px 0; }
.lab-wf .lab-stats small { display: block; font-size: 11px; margin-top: 2px; }
.wf-eq .oos { fill: none; stroke: var(--accent); stroke-width: 2.2; vector-effect: non-scaling-stroke; }
.wf-eq .base { fill: none; stroke: #94a3b8; stroke-width: 1.6; stroke-dasharray: 5 4; vector-effect: non-scaling-stroke; }
.wf-k { display: inline-block; width: 18px; height: 0; border-top: 3px solid var(--accent); vertical-align: middle; }
.wf-k.base { border-top: 2px dashed #94a3b8; }
.wf-slices code, .wf-stab code, .wf-rec code { font-size: 12px; background: var(--panel2); border-radius: 5px; padding: 1px 5px; white-space: nowrap; }
.wf-stab { margin: 4px 0 10px; padding-left: 20px; }
.wf-rec { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; margin: 10px 0; }
.wf-rec p { margin: 0 0 8px; }
.wf-notes { margin: 10px 0 0; padding-left: 18px; }
@media (max-width: 640px) {
  .lab-cmb-toggle { margin-left: 0; }
  .lab-regime .seg-b { padding: 6px 8px; }
  .lab-wf .wf-p { flex-direction: column; align-items: flex-start; }
}