/* bottomline: the illustrative worked example (a calculator in a manager dashboard card) and tonight's sample report. */
.bl-head { max-width: 860px; margin: 0 auto; display: grid; justify-items: center; gap: 22px; }
.bl-head__sub { max-width: 600px; }

/* ---------- calculator card ---------- */
.bl-card { position: relative; margin-top: clamp(52px, 6vw, 84px); border-radius: 10px; background: linear-gradient(180deg, #131313, #0f0f0f); border: 1px solid var(--line); overflow: hidden; overflow: clip; isolation: isolate; }
.bl-card::before { content: ""; position: absolute; inset: auto 0 0 0; height: 70%; background: radial-gradient(48% 70% at 62% 100%, rgba(61, 111, 245, 0.16), rgba(61, 111, 245, 0) 70%); pointer-events: none; z-index: -1; }
.bl-card__bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 18px 24px; border-bottom: 1px solid var(--line); }
.bl-pill { display: inline-flex; align-items: center; gap: 9px; height: 30px; padding: 0 13px; border-radius: 999px; background: rgba(242, 162, 74, 0.1); border: 1px solid rgba(242, 162, 74, 0.38); color: #F6C98F; font: 500 11.5px/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.bl-pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 10px rgba(242, 162, 74, 0.7); }
.bl-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.bl-chip { display: inline-flex; align-items: center; gap: 7px; height: 30px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--mist); font: 400 12.5px/1 var(--f-body); white-space: nowrap; }
.bl-chip b { color: var(--fg); font-weight: 500; font-variant-numeric: tabular-nums; }
.bl-chip svg { width: 14px; height: 14px; fill: none; stroke: var(--mist); stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }

.bl-grid { display: grid; grid-template-columns: minmax(250px, 300px) minmax(0, 1fr); }
.bl-inputs { padding: 26px 24px 28px; border-right: 1px solid var(--line); display: grid; gap: 20px; align-content: start; }
.bl-inputs__head { margin-bottom: -2px; }
.bl-field { display: grid; gap: 11px; }
.bl-field__top { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.bl-field label { color: var(--fg-2); font-size: 13.5px; }
.bl-field output { color: var(--fg); font: 500 13px/1 var(--f-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.02em; }
.bl-field--blue output { color: var(--blue-2); }

/* range: thin track, white fill, square-ish thumb (keyboard native) */
.bl-field input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 22px; margin: 0; background: transparent; cursor: pointer; --pct: 50%; --fill: #f2f2f2; }
.bl-field--blue input[type="range"] { --fill: var(--blue); }
.bl-field input[type="range"]::-webkit-slider-runnable-track { height: 3px; border-radius: 3px; background: linear-gradient(90deg, var(--fill) 0 var(--pct), rgba(255, 255, 255, 0.14) var(--pct) 100%); }
.bl-field input[type="range"]::-moz-range-track { height: 3px; border-radius: 3px; background: rgba(255, 255, 255, 0.14); }
.bl-field input[type="range"]::-moz-range-progress { height: 3px; border-radius: 3px; background: var(--fill); }
.bl-field input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; margin-top: -6.5px; border-radius: 50%; background: #fff; border: 0; box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08), 0 2px 8px rgba(0, 0, 0, 0.6); transition: box-shadow .2s var(--ease), transform .2s var(--ease-out); }
.bl-field input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 0; box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08), 0 2px 8px rgba(0, 0, 0, 0.6); }
.bl-field--blue input[type="range"]::-webkit-slider-thumb { background: #dfe7ff; box-shadow: 0 0 0 4px rgba(61, 111, 245, 0.22), 0 0 16px rgba(61, 111, 245, 0.55); }
.bl-field input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.12); }
.bl-field input[type="range"]:focus-visible { outline: none; }
.bl-field input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px rgba(110, 147, 247, 0.55); }
.bl-field input[type="range"]:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 4px rgba(110, 147, 247, 0.55); }
.bl-mini-sum { display: none; }
@media (max-width: 760px) {
  .bl-mini-sum { position: sticky; top: 74px; z-index: 4; display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; margin: -4px -4px 2px; padding: 10px 12px; border-radius: 6px; background: rgba(22, 24, 30, 0.92); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border: 1px solid rgba(110, 147, 247, 0.3); color: var(--blue-2); font: 500 12px/1.3 var(--f-mono); }
  .bl-mini-sum b { color: #fff; font-weight: 500; font-variant-numeric: tabular-nums; }
}
.bl-reset { justify-self: start; display: inline-flex; align-items: center; gap: 8px; margin-top: 4px; padding: 9px 12px; border-radius: 4px; border: 1px solid var(--line-2); background: transparent; color: var(--fg-2); font: 500 11px/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; transition: background .2s var(--ease), color .2s var(--ease), opacity .2s var(--ease); }
.bl-reset svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.bl-reset:hover:not(:disabled) { background: rgba(255, 255, 255, 0.06); color: #fff; }
.bl-reset:disabled { opacity: .35; cursor: default; }

/* the working */
.bl-work { padding: 26px 28px 30px; min-width: 0; }
.bl-steps { display: grid; grid-template-columns: minmax(0, 1fr) 26px minmax(0, 1fr) 26px minmax(0, 1fr); align-items: stretch; }
.bl-step { position: relative; padding: 16px 18px 18px; border-radius: 8px; background: rgba(255, 255, 255, 0.025); border: 1px solid var(--line); display: grid; align-content: start; gap: 12px; min-width: 0; transition: opacity .7s var(--ease-out), transform .8s var(--ease-out), border-color .3s var(--ease); }
.js .bl-card:not(.is-on) .bl-step { opacity: .35; transform: translateY(8px); }
.bl-card.is-on .bl-step { transition-delay: calc(var(--s) * 260ms); }
.bl-step.is-flash { border-color: rgba(110, 147, 247, 0.5); }
.bl-step__k { display: flex; gap: 10px; align-items: center; color: var(--mist); font: 500 11px/1 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.bl-step__k span { color: var(--mist-2); }
.bl-step__v { display: flex; align-items: baseline; flex-wrap: wrap; gap: 0 8px; font: 400 clamp(19px, 1.6vw, 24px)/1.15 var(--f-body); letter-spacing: -0.02em; color: var(--fg); font-variant-numeric: tabular-nums; }
.bl-step__v s { color: var(--mist-2); text-decoration-color: rgba(255, 255, 255, 0.45); text-decoration-thickness: 1.5px; }
.bl-step__v b { font-weight: 500; }
.bl-blue { color: var(--blue-2); }
.bl-arrow { width: 22px; height: 12px; align-self: center; fill: none; stroke: var(--blue-2); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.bl-step__note { color: var(--mist); font-size: 12px; line-height: 1.55; letter-spacing: 0.01em; }
.bl-track { position: relative; height: 4px; border-radius: 4px; background: rgba(255, 255, 255, 0.08); overflow: hidden; }
.bl-track i { position: absolute; left: 0; top: 0; bottom: 0; width: var(--w, 88%); background: linear-gradient(90deg, #2b5be6, var(--blue-2)); border-radius: 4px; transition: width .6s var(--ease-out); }
.bl-track em { position: absolute; top: 0; bottom: 0; left: var(--w, 88%); width: var(--g, 12%); background: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.28) 0 2px, transparent 2px 5px); transition: left .6s var(--ease-out), width .6s var(--ease-out); }
.bl-pixels { display: grid; grid-template-columns: repeat(24, minmax(0, 1fr)); gap: 2px; height: 8px; }
.bl-pixels i { border-radius: 1px; background: rgba(255, 255, 255, 0.1); transition: background .35s var(--ease), box-shadow .35s var(--ease); }
.bl-pixels i.on { background: var(--blue); box-shadow: 0 0 6px rgba(61, 111, 245, 0.6); }
.bl-join { display: grid; place-items: center; }
.bl-join svg { width: 16px; height: 10px; fill: none; stroke: var(--mist-2); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }

.bl-eq { position: relative; display: grid; place-items: center; margin: 26px 0 20px; }
.bl-eq::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: linear-gradient(90deg, rgba(255, 255, 255, 0), var(--line-2) 20%, var(--line-2) 80%, rgba(255, 255, 255, 0)); }
.bl-eq span { position: relative; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: #121212; border: 1px solid rgba(110, 147, 247, 0.45); color: var(--blue-2); font: 500 15px/1 var(--f-mono); }

.bl-total { display: grid; justify-items: center; text-align: center; }
.bl-total__k { color: var(--mist); letter-spacing: 0.12em; }
.bl-total__v { margin-top: 10px; display: flex; align-items: flex-start; justify-content: center; gap: 6px; flex-wrap: wrap; font: 500 clamp(54px, 7.4vw, 112px)/1 var(--f-body); letter-spacing: -0.045em; color: #fff; text-shadow: 0 0 34px rgba(110, 147, 247, 0.35), 0 0 2px rgba(255, 255, 255, 0.4); }
.bl-total__v .num { background: linear-gradient(180deg, #ffffff 30%, #c9d6ff 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bl-cur { font-size: 0.44em; margin-top: 0.12em; letter-spacing: 0; }
.bl-yr { align-self: flex-end; margin: 0 0 0.1em 0.1em; font-size: 0.3em; font-weight: 400; letter-spacing: -0.01em; color: var(--mist); text-shadow: none; }
.bl-scale { width: min(620px, 100%); margin-top: 22px; }
.bl-scale__line { position: relative; height: 2px; background: rgba(255, 255, 255, 0.12); border-radius: 2px; }
.bl-scale__line i { position: absolute; left: 0; top: 0; bottom: 0; width: var(--v, 0%); background: linear-gradient(90deg, rgba(61, 111, 245, 0.4), var(--blue-2)); border-radius: 2px; }
.bl-scale__line b { position: absolute; top: 50%; left: var(--v, 0%); width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; background: #eaf0ff; box-shadow: 0 0 0 4px rgba(110, 147, 247, 0.22), 0 0 18px rgba(110, 147, 247, 0.9); }
.bl-scale__ticks { position: relative; height: 26px; margin-top: 6px; }
.bl-scale__ticks span { position: absolute; top: 0; transform: translateX(-50%); color: var(--mist-2); font: 500 10.5px/1 var(--f-mono); letter-spacing: 0.04em; white-space: nowrap; padding-top: 8px; }
.bl-scale__ticks span::before { content: ""; position: absolute; left: 50%; top: -8px; width: 1px; height: 8px; background: rgba(255, 255, 255, 0.22); }
.bl-scale__ticks span:first-child { transform: none; }
.bl-scale__ticks span:first-child::before { left: 0; }
.bl-scale__ticks span:last-child { transform: translateX(-100%); }
.bl-scale__ticks span:last-child::before { left: auto; right: 0; }
.bl-foot { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; padding: 8px 14px; border-radius: 999px; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line); color: var(--fg-2); font-size: 13px; }
.bl-foot svg { width: 14px; height: 14px; flex: none; fill: none; stroke: var(--fg-2); stroke-width: 1.3; stroke-linecap: round; }

.bl-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- tonight's report ---------- */
.bl-report { margin-top: clamp(56px, 6vw, 88px); }
.bl-report__head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.bl-report__where { color: var(--fg-2); font-size: 14px; display: flex; align-items: center; gap: 10px; }
.bl-sample { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 4px; border: 1px solid var(--line-2); color: var(--mist); font: 500 10px/1 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase; }
.bl-report__grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); gap: 16px; }
.bl-chart { position: relative; margin: 0; padding: 22px 22px 16px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); min-width: 0; }
.bl-chart__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.bl-chart__title { color: var(--fg); font-size: 15px; font-weight: 500; }
.bl-chart__big { margin-top: 8px; display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.bl-chart__big b { font: 500 34px/1 var(--f-body); letter-spacing: -0.03em; }
.bl-chart__big span { color: var(--mist); font-size: 13px; }
.bl-legend { list-style: none; margin: 0; padding: 0; display: flex; gap: 16px; flex-wrap: wrap; color: var(--mist); font-size: 12.5px; }
.bl-legend li { display: inline-flex; align-items: center; gap: 7px; }
.bl-lg-bar { width: 10px; height: 10px; border-radius: 2px; background: var(--blue); }
.bl-lg-dot { width: 16px; height: 0; border-top: 2px dotted rgba(255, 255, 255, 0.55); }
.bl-lg-fc { width: 10px; height: 10px; border-radius: 2px; border: 1px solid rgba(110, 147, 247, 0.7); background: repeating-linear-gradient(135deg, rgba(110, 147, 247, 0.5) 0 1.5px, transparent 1.5px 4px); }
.bl-chart__plot { margin-top: 14px; }
.bl-chart__plot svg { width: 100%; height: auto; overflow: visible; }
.bl-tip { position: absolute; pointer-events: none; padding: 8px 10px; border-radius: 6px; background: rgba(28, 28, 28, 0.96); border: 1px solid var(--line-2); color: var(--fg); font: 500 11.5px/1.45 var(--f-mono); white-space: nowrap; opacity: 0; transform: translate(-50%, -100%) translateY(-6px); transition: opacity .15s var(--ease); z-index: 3; }
.bl-tip.on { opacity: 1; }
.bl-tip span { color: var(--mist); }

.bl-kpis { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; min-width: 0; }
.bl-kpi { position: relative; padding: 18px 18px 16px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); display: grid; align-content: start; gap: 8px; min-width: 0; overflow: hidden; }
.bl-kpi__k { display: flex; align-items: center; gap: 8px; color: var(--fg-2); font-size: 13px; line-height: 1.3; }
.bl-kpi__k svg { width: 15px; height: 15px; flex: none; fill: none; stroke: var(--mist); stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; }
.bl-kpi__v { display: flex; align-items: baseline; gap: 6px; margin-top: 4px; }
.bl-kpi__v b { font: 500 32px/1 var(--f-body); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.bl-kpi__v span { color: var(--mist); font-size: 13px; }
.bl-kpi__s { color: var(--mist-2); font-size: 12px; }
.bl-spark { width: 100%; height: 30px; }
.bl-spark path { fill: none; stroke: var(--blue-2); stroke-width: 1.6; stroke-linecap: round; stroke-dasharray: 200; stroke-dashoffset: 200; transition: stroke-dashoffset 1.6s var(--ease-out) .3s; }
.bl-kpis.is-in .bl-spark path { stroke-dashoffset: 0; }
.bl-meter { position: relative; height: 4px; margin: 12px 0 2px; border-radius: 4px; background: rgba(255, 255, 255, 0.1); }
.bl-meter i { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 4px; background: var(--blue-2); transition: width 1.4s var(--ease-out) .3s; }
.bl-kpis.is-in .bl-meter i { width: var(--w); }
.bl-meter em { position: absolute; left: var(--x); top: -4px; width: 1px; height: 12px; background: rgba(255, 255, 255, 0.6); }
.bl-ring { position: absolute; right: 16px; top: 46px; width: 44px; height: 44px; transform: rotate(-90deg); }
.bl-ring circle { fill: none; stroke: rgba(255, 255, 255, 0.1); stroke-width: 3; }
.bl-ring .bl-ring__v { stroke: var(--blue-2); stroke-linecap: round; stroke-dasharray: 0 100; transition: stroke-dasharray 1.6s var(--ease-out) .3s; }
.bl-kpis.is-in .bl-ring__v { stroke-dasharray: var(--v) 100; }
.bl-mini { display: flex; align-items: flex-end; gap: 4px; height: 30px; }
.bl-mini i { flex: 1; height: 0; border-radius: 2px; background: rgba(110, 147, 247, 0.35); transition: height 1s var(--ease-out); }
.bl-mini i.on { background: var(--blue-2); }
.bl-kpis.is-in .bl-mini i { height: var(--h); }
.bl-kpis.is-in .bl-mini i:nth-child(2) { transition-delay: .06s; } .bl-kpis.is-in .bl-mini i:nth-child(3) { transition-delay: .12s; }
.bl-kpis.is-in .bl-mini i:nth-child(4) { transition-delay: .18s; } .bl-kpis.is-in .bl-mini i:nth-child(5) { transition-delay: .24s; }
.bl-kpis.is-in .bl-mini i:nth-child(6) { transition-delay: .3s; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .bl-report__grid { grid-template-columns: minmax(0, 1fr); }
  .bl-kpis { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (max-width: 1100px) {
  .bl-grid { grid-template-columns: minmax(0, 1fr); }
  .bl-inputs { border-right: 0; border-bottom: 1px solid var(--line); grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); column-gap: 24px; }
  .bl-inputs__head, .bl-reset, .bl-mini-sum { grid-column: 1 / -1; }
}
@media (max-width: 980px) {
  .bl-kpis { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .bl-steps { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .bl-join { height: 22px; }
  .bl-join svg { transform: rotate(90deg); }
  .bl-card__bar { padding: 16px; }
  .bl-work { padding: 20px 16px 24px; }
  .bl-inputs { padding: 20px 16px 22px; grid-template-columns: minmax(0, 1fr); }
  .bl-chips { gap: 6px; }
}
@media (max-width: 520px) {
  .bl-kpis { grid-template-columns: minmax(0, 1fr); }
  .bl-chart { padding: 18px 14px 12px; }
  .bl-legend { gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .js .bl-card:not(.is-on) .bl-step { opacity: 1; transform: none; }
}