/* EduFabTech — electronics.css (elektronik hesap makinesi, 15 Eki 2026). Önek el-; sekmeler calc.css'in .calc-tabs kalıbı. */
.calc-head { max-width: 72ch; }
.calc-tabs { display: inline-flex; flex-wrap: wrap; gap: 2px; margin: 0 0 14px; padding: 3px; border: 1px solid var(--hair); border-radius: 999px; background: var(--card); }
.calc-tab { padding: 7px 14px; border: 0; border-radius: 999px; background: transparent; color: var(--text-2); font-size: 13.5px; font-weight: 500; cursor: pointer; transition: background var(--t), color var(--t); }
.calc-tab:hover { color: var(--text); }
.calc-tab.on { color: var(--text); background: var(--card-2); box-shadow: 0 1px 2px rgba(0,0,0,.4); }
.calc-note { font-size: 13px; margin: 16px 0 0; }

.el-pane { border: 1px solid var(--hair); border-radius: 16px; background: var(--card); padding: 18px; }
.el-grid { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 22px; align-items: start; }
.el-form { display: flex; flex-direction: column; gap: 12px; }
.el-field { display: flex; flex-direction: column; gap: 5px; }
.el-label { font-size: 12.5px; letter-spacing: .04em; text-transform: uppercase; color: var(--text-2); }
.el-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.el-row .input { flex: 1 1 140px; }
.el-or { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); text-align: center; position: relative; }
.el-or::before, .el-or::after { content: ""; position: absolute; top: 50%; width: calc(50% - 70px); border-top: 1px solid var(--hair); }
.el-or::before { left: 0; } .el-or::after { right: 0; }
.el-note { font-size: 13px; margin: 0; }
.el-seg { display: inline-flex; padding: 3px; border: 1px solid var(--hair); border-radius: 999px; background: var(--surface); }
.el-segbtn { padding: 5px 14px; border: 0; border-radius: 999px; background: transparent; color: var(--text-2); font-size: 13.5px; cursor: pointer; }
.el-segbtn.on { background: var(--brand); color: var(--brand-ink); font-weight: 700; }
textarea.input { resize: vertical; min-height: 72px; }

.el-bands { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 8px; }
.el-band { display: flex; flex-direction: column; gap: 4px; }
.el-band span { font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.el-band select { border-left: 10px solid var(--band, #888); padding-left: 8px; }

.el-visual { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.el-svg { border: 1px solid var(--hair); border-radius: 14px; background: var(--surface); padding: 10px; }
.el-svg svg { display: block; width: 100%; height: auto; max-height: 260px; }
.el-svg-sm svg { max-height: 120px; }
.el-svg text { font-family: var(--mono); fill: var(--text); }
.el-svg .wire { stroke: var(--text-2); stroke-width: 2; fill: none; stroke-linecap: round; }
.el-svg .sym { stroke: var(--text); stroke-width: 2; fill: none; }
.el-svg .symfill { fill: var(--text); }
.el-svg .accent { stroke: var(--brand); }
.el-svg .lbl { font-size: 13px; }
.el-svg .lbl-muted { font-size: 11px; fill: var(--muted); }
.el-svg .lbl-accent { fill: var(--brand); font-weight: 600; }

.el-out { font-family: var(--mono); font-size: 14px; display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; align-items: baseline; }
.el-out .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }
.el-out .v { font-size: 20px; font-weight: 600; color: #e9fff5; }
.el-out .v.big { font-size: 30px; }
.el-out .v.sm { font-size: 15px; font-weight: 500; color: var(--text); }
.el-out .err { grid-column: 1 / -1; color: var(--err); font-size: 14px; }
.el-out .hint { grid-column: 1 / -1; color: var(--text-2); font-family: var(--sans); font-size: 13px; }
.el [hidden] { display: none !important; }

@media (max-width: 860px) {
  .el-grid { grid-template-columns: 1fr; }
  .el-pane { padding: 14px; }
}