/* Interactive Wheel Strategy Simulator */
.sim-page {
    --sim-ink: var(--t1);
    --sim-muted: var(--t2);
    --sim-line: var(--brd);
    --sim-blue: #2f6df6;
    --sim-blue-soft: rgba(47, 109, 246, .12);
    --sim-green: #0fa878;
    --sim-red: #ef5b62;
    --sim-amber: #f3a72f;
    background: var(--bg2);
}

.sim-step-label {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    margin-bottom: 1.25rem;
    color: #85a8ff;
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.sim-workspace {
    padding: 148px 0 80px;
}

.sim-workspace-head {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    align-items: end;
    margin-bottom: 1.5rem;
}

.sim-step-label {
    margin: 0 0 .5rem;
    color: var(--sim-blue);
}

.sim-workspace-head h2,
.sim-learn h2 {
    font-size: clamp(1.8rem, 4vw, 2.7rem);
    letter-spacing: -.045em;
    line-height: 1.1;
}

.sim-workspace-intro {
    max-width: 620px;
    margin-top: .65rem;
    color: var(--sim-muted);
    font-size: .92rem;
}

.sim-presets {
    display: flex;
    align-items: center;
    gap: .4rem;
    padding: .3rem;
    border: 1px solid var(--sim-line);
    border-radius: 12px;
    background: var(--bg);
}

.sim-presets > span {
    padding: 0 .65rem;
    color: var(--t3);
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.sim-preset {
    padding: .55rem .78rem;
    border: 0;
    border-radius: 8px;
    color: var(--sim-muted);
    background: transparent;
    font-size: .75rem;
    font-weight: 700;
}

.sim-preset:hover,
.sim-preset.active {
    color: #fff;
    background: var(--sim-blue);
}

.sim-shell {
    display: grid;
    grid-template-columns: 310px minmax(0, 1fr);
    min-height: 1020px;
    overflow: hidden;
    border: 1px solid var(--sim-line);
    border-radius: 22px;
    background: var(--bg);
    box-shadow: 0 24px 70px rgba(15, 23, 42, .09);
}

.sim-controls {
    padding: 1.4rem;
    border-right: 1px solid var(--sim-line);
    background: var(--bg2);
}

.sim-controls-top,
.sim-card-heading {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
}

.sim-panel-index {
    display: block;
    margin-bottom: .3rem;
    color: var(--sim-blue);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: .65rem;
    font-weight: 800;
    letter-spacing: .12em;
}

.sim-controls h3,
.sim-stage h3 {
    font-size: .95rem;
    letter-spacing: -.02em;
}

.sim-state-dot,
.sim-turn-count,
.sim-days {
    padding: .3rem .55rem;
    border: 1px solid rgba(15,168,120,.22);
    border-radius: 99px;
    color: var(--sim-green);
    background: rgba(15,168,120,.08);
    font-size: .66rem;
    font-weight: 800;
}

.sim-input-section {
    margin-top: 1.35rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--sim-line);
}

.sim-input-section-title {
    display: flex;
    align-items: center;
    gap: .45rem;
    margin-bottom: .7rem;
    color: var(--sim-muted);
    font-size: .67rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.sim-leg-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.sim-leg-dot.put { background: var(--sim-blue); }
.sim-leg-dot.call { background: var(--sim-green); }

.sim-input-grid {
    display: grid;
    gap: .65rem;
    margin-bottom: .65rem;
}

.sim-input-grid.two { grid-template-columns: 1fr 1fr; }

.sim-field { display: block; }

.sim-field > span:first-child,
.sim-price-editor label {
    display: block;
    margin-bottom: .3rem;
    color: var(--t3);
    font-size: .68rem;
    font-weight: 700;
}

.sim-field > input,
.sim-money-input {
    width: 100%;
    height: 42px;
    border: 1px solid var(--sim-line);
    border-radius: 9px;
    color: var(--sim-ink);
    background: var(--bg);
}

.sim-field > input {
    padding: 0 .7rem;
    font: 700 .82rem Inter, sans-serif;
}

.sim-money-input {
    display: flex;
    align-items: center;
    overflow: hidden;
}

.sim-money-input i {
    padding-left: .65rem;
    color: var(--t3);
    font-size: .75rem;
    font-style: normal;
}

.sim-money-input input {
    min-width: 0;
    width: 100%;
    height: 100%;
    padding: 0 .65rem 0 .3rem;
    border: 0;
    outline: 0;
    color: var(--sim-ink);
    background: transparent;
    font: 700 .82rem Inter, sans-serif;
}

.sim-field > input:focus,
.sim-money-input:focus-within {
    outline: 2px solid rgba(47,109,246,.2);
    border-color: var(--sim-blue);
}

.sim-field input:disabled {
    cursor: not-allowed;
    opacity: .55;
}

.sim-primary-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-top: 1.3rem;
    padding: .85rem 1rem;
    border: 0;
    border-radius: 10px;
    color: #fff;
    background: var(--sim-blue);
    box-shadow: 0 8px 24px rgba(47,109,246,.24);
    font-size: .78rem;
    font-weight: 800;
    transition: transform .2s, box-shadow .2s;
}

.sim-primary-action:hover {
    transform: translateY(-1px);
    box-shadow: 0 11px 28px rgba(47,109,246,.3);
}

.sim-primary-action:active { transform: translateY(0); }

.sim-primary-action:disabled {
    cursor: default;
    opacity: .7;
    transform: none;
}

.sim-preset:disabled { cursor: default; opacity: .55; }

.sim-action-arrow {
    display: grid;
    place-items: center;
    width: 27px;
    height: 27px;
    border-radius: 50%;
    background: rgba(255,255,255,.16);
}

.sim-reset {
    width: 100%;
    padding: .75rem;
    border: 0;
    color: var(--t3);
    background: transparent;
    font-size: .7rem;
    font-weight: 700;
}

.sim-reset:hover { color: var(--sim-ink); }

.sim-stage { min-width: 0; }

.sim-stage-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 66px;
    padding: .85rem 1.5rem;
    border-bottom: 1px solid var(--sim-line);
}

.sim-stage-symbol,
.sim-stage-price {
    display: flex;
    align-items: center;
    gap: .55rem;
}

.sim-live-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--sim-green);
    box-shadow: 0 0 0 5px rgba(15,168,120,.11);
}

.sim-stage-symbol strong { font-size: .82rem; }
.sim-stage-symbol span:last-child,
.sim-stage-price span {
    color: var(--t3);
    font-size: .65rem;
}
.sim-stage-price strong { font-size: .9rem; }

.sim-main-grid {
    display: grid;
    grid-template-columns: minmax(360px, 1.45fr) minmax(230px, .75fr);
    border-bottom: 1px solid var(--sim-line);
}

.sim-wheel-card,
.sim-metrics-card,
.sim-chart-card,
.sim-timeline-card {
    min-width: 0;
    padding: 1.5rem;
}

.sim-wheel-card { border-right: 1px solid var(--sim-line); }

.sim-canvas-wrap {
    position: relative;
    width: min(100%, 440px);
    aspect-ratio: 1;
    margin: .15rem auto 0;
}

#simWheel {
    width: 100%;
    height: 100%;
}

.sim-wheel-center {
    position: absolute;
    top: 50%;
    left: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 122px;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.sim-wheel-center span {
    color: var(--t3);
    font-size: .58rem;
    font-weight: 800;
    letter-spacing: .14em;
}

.sim-wheel-center strong {
    margin: .15rem 0 .1rem;
    color: var(--sim-ink);
    font-size: clamp(.85rem, 2vw, 1.05rem);
    letter-spacing: -.03em;
}

.sim-wheel-center small {
    color: var(--sim-blue);
    font-size: .62rem;
    font-weight: 700;
}

.sim-phase-caption {
    display: grid;
    grid-template-columns: 86px 1fr;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--sim-line);
    border-radius: 11px;
    background: var(--bg2);
}

.sim-phase-caption span {
    color: var(--sim-blue);
    font-size: .67rem;
    font-weight: 800;
}

.sim-phase-caption p {
    color: var(--sim-muted);
    font-size: .72rem;
    line-height: 1.5;
}

.sim-turn-count b,
.sim-days b { color: inherit; }

.sim-metric-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .55rem;
    margin-top: 1.1rem;
}

.sim-metric {
    min-width: 0;
    padding: .85rem;
    border: 1px solid var(--sim-line);
    border-radius: 10px;
    background: var(--bg2);
}

.sim-metric.hero-metric {
    grid-column: 1 / -1;
    background: linear-gradient(145deg, rgba(47,109,246,.13), rgba(47,109,246,.03));
}

.sim-metric span {
    display: block;
    margin-bottom: .2rem;
    color: var(--t3);
    font-size: .61rem;
    font-weight: 700;
}

.sim-metric strong {
    display: block;
    overflow: hidden;
    color: var(--sim-ink);
    font-size: 1rem;
    letter-spacing: -.025em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sim-metric.hero-metric strong { font-size: 1.55rem; }
.sim-metric.hero-metric small { color: var(--sim-blue); font-size: .62rem; font-weight: 700; }
.sim-metric strong.positive { color: var(--sim-green); }
.sim-metric strong.negative { color: var(--sim-red); }

.sim-risk-note {
    margin-top: .65rem;
    padding: .8rem;
    border-left: 3px solid var(--sim-amber);
    border-radius: 0 8px 8px 0;
    background: rgba(243,167,47,.08);
}

.sim-risk-note span {
    color: var(--sim-amber);
    font-size: .61rem;
    font-weight: 900;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.sim-risk-note p {
    margin-top: .3rem;
    color: var(--sim-muted);
    font-size: .67rem;
    line-height: 1.5;
}

.sim-expiry-card {
    display: grid;
    grid-template-columns: 1.15fr .68fr 2fr auto;
    gap: 1.25rem;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--sim-line);
    background: var(--bg2);
}

.sim-expiry-copy {
    display: flex;
    gap: .8rem;
    align-items: start;
}

.sim-expiry-copy .sim-panel-index { margin-top: .15rem; }
.sim-expiry-copy h3 { margin-bottom: .2rem; }
.sim-expiry-copy p { color: var(--t3); font-size: .65rem; line-height: 1.4; }

.sim-price-editor .sim-money-input.large { height: 46px; }
.sim-price-editor .sim-money-input.large input { font-size: 1rem; }

.sim-slider-wrap input[type="range"] {
    width: 100%;
    height: 5px;
    appearance: none;
    border-radius: 99px;
    outline: none;
    background: linear-gradient(90deg, var(--sim-red), var(--sim-amber) 46%, var(--sim-green));
}

.sim-slider-wrap input[type="range"]::-webkit-slider-thumb {
    width: 18px;
    height: 18px;
    appearance: none;
    border: 3px solid var(--bg);
    border-radius: 50%;
    background: var(--sim-blue);
    box-shadow: 0 1px 6px rgba(0,0,0,.25);
}

.sim-slider-wrap input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border: 3px solid var(--bg);
    border-radius: 50%;
    background: var(--sim-blue);
}

.sim-slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: .35rem;
    color: var(--t3);
    font-size: .58rem;
}

.sim-slider-labels span:nth-child(2) { color: var(--sim-blue); font-weight: 800; }

.sim-outcome-buttons {
    display: grid;
    gap: .35rem;
}

.sim-outcome-buttons button {
    min-width: 110px;
    padding: .5rem .65rem;
    border: 1px solid var(--sim-line);
    border-radius: 8px;
    color: var(--sim-muted);
    background: var(--bg);
    font-size: .65rem;
    font-weight: 700;
}

.sim-outcome-buttons button:hover { border-color: var(--sim-blue); color: var(--sim-blue); }
.sim-outcome-buttons span { font-size: .8rem; }

.sim-lower-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(250px, .75fr);
}

.sim-chart-card { border-right: 1px solid var(--sim-line); }

.sim-chart-legend {
    display: flex;
    align-items: center;
    gap: .35rem;
    color: var(--t3);
    font-size: .62rem;
}

.sim-chart-legend i {
    width: 13px;
    height: 3px;
    border-radius: 99px;
    background: var(--sim-blue);
}

.sim-chart-wrap {
    height: 210px;
    margin-top: .7rem;
}

#simPayoff { width: 100%; height: 100%; }

.sim-chart-foot {
    margin-top: .45rem;
    color: var(--t3);
    font-size: .62rem;
}

.sim-timeline {
    display: flex;
    flex-direction: column;
    gap: .65rem;
    max-height: 245px;
    margin-top: 1rem;
    overflow-y: auto;
    list-style: none;
}

.sim-timeline li {
    position: relative;
    padding: .65rem .7rem .65rem 1rem;
    border-left: 2px solid var(--sim-blue);
    border-radius: 0 8px 8px 0;
    background: var(--bg2);
}

.sim-timeline li::before {
    content: '';
    position: absolute;
    top: .78rem;
    left: -5px;
    width: 8px;
    height: 8px;
    border: 2px solid var(--bg);
    border-radius: 50%;
    background: var(--sim-blue);
}

.sim-timeline li.empty { border-color: var(--sim-line); }
.sim-timeline li.empty::before { background: var(--t3); }

.sim-timeline span {
    color: var(--sim-blue);
    font-size: .58rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.sim-timeline p {
    margin-top: .15rem;
    color: var(--sim-muted);
    font-size: .67rem;
    line-height: 1.45;
}

.sim-learn {
    padding: 85px 0;
    color: #ecf1f8;
    background: #08101f;
}

.sim-learn-head { max-width: 720px; }
.sim-learn-head p { margin-top: 1rem; color: #8e9bb0; line-height: 1.7; }

.sim-learn-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    margin-top: 3rem;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.09);
    border-radius: 14px;
    background: rgba(255,255,255,.09);
}

.sim-learn-grid article {
    padding: 1.5rem;
    background: #0b1526;
}

.sim-learn-grid article > span {
    display: block;
    margin-bottom: 2.5rem;
    color: #6f96f7;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: .7rem;
    font-weight: 800;
}

.sim-learn-grid h3 { margin-bottom: .7rem; font-size: .92rem; }
.sim-learn-grid p { color: #8492a8; font-size: .76rem; line-height: 1.65; }

.sim-method {
    display: grid;
    grid-template-columns: .75fr 1.25fr;
    gap: 5rem;
    margin-top: 5rem;
    padding-top: 4rem;
    border-top: 1px solid rgba(255,255,255,.1);
}

.sim-method-copy > p {
    margin-bottom: 1rem;
    color: #8e9bb0;
    font-size: .86rem;
    line-height: 1.75;
}

.sim-sources {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    align-items: center;
    margin-top: 1.5rem;
}

.sim-sources span {
    margin-right: .25rem;
    color: #65748b;
    font-size: .65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .1em;
}

.sim-sources a {
    padding: .45rem .7rem;
    border: 1px solid rgba(255,255,255,.11);
    border-radius: 99px;
    color: #adc1ee;
    font-size: .65rem;
}

.sim-sources a:hover { border-color: #6f96f7; color: #fff; }

.sim-disclaimer {
    display: grid;
    grid-template-columns: 210px 1fr;
    gap: 2rem;
    margin-top: 4rem;
    padding: 1.5rem;
    border: 1px solid rgba(239,91,98,.2);
    border-radius: 12px;
    background: rgba(239,91,98,.05);
}

.sim-disclaimer strong { color: #ff858b; font-size: .78rem; }
.sim-disclaimer p { color: #8e9bb0; font-size: .75rem; line-height: 1.65; }

@media (max-width: 1080px) {
    .sim-shell { grid-template-columns: 270px minmax(0, 1fr); }
    .sim-main-grid { grid-template-columns: 1fr; }
    .sim-wheel-card { border-right: 0; border-bottom: 1px solid var(--sim-line); }
    .sim-expiry-card { grid-template-columns: 1fr 1fr; }
    .sim-slider-wrap { grid-column: 1 / -1; }
    .sim-outcome-buttons { grid-column: 2; grid-row: 1 / 2; grid-template-columns: 1fr 1fr; align-self: end; }
    .sim-price-editor { grid-column: 1; grid-row: 2; }
    .sim-slider-wrap { grid-row: 3; }
    .sim-outcome-buttons { grid-row: 2; }
}

@media (max-width: 800px) {
    .sim-workspace { padding-top: 132px; }
    .sim-workspace-head { align-items: stretch; flex-direction: column; }
    .sim-presets { align-self: flex-start; flex-wrap: wrap; }
    .sim-shell { display: block; }
    .sim-controls { border-right: 0; border-bottom: 1px solid var(--sim-line); }
    .sim-input-section { display: grid; grid-template-columns: 150px 1fr; gap: 1rem; align-items: start; }
    .sim-input-section-title { margin-top: .75rem; }
    .sim-lower-grid { grid-template-columns: 1fr; }
    .sim-chart-card { border-right: 0; border-bottom: 1px solid var(--sim-line); }
    .sim-learn-grid { grid-template-columns: 1fr 1fr; }
    .sim-method { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 560px) {
    .sim-workspace { padding: 128px 0 50px; }
    .sim-workspace > .container { padding: 0 12px; }
    .sim-presets > span { width: 100%; padding: .35rem .6rem; }
    .sim-input-section { display: block; }
    .sim-main-grid { display: block; }
    .sim-wheel-card,
    .sim-metrics-card,
    .sim-chart-card,
    .sim-timeline-card { padding: 1.1rem; }
    .sim-canvas-wrap { width: 100%; }
    .sim-phase-caption { grid-template-columns: 1fr; gap: .25rem; }
    .sim-expiry-card { display: block; padding: 1.1rem; }
    .sim-price-editor,
    .sim-slider-wrap,
    .sim-outcome-buttons { margin-top: 1rem; }
    .sim-outcome-buttons { grid-template-columns: 1fr 1fr; }
    .sim-outcome-buttons button { min-width: 0; }
    .sim-stage-topbar { padding: .85rem 1rem; }
    .sim-stage-symbol span:last-child { display: none; }
    .sim-learn-grid { grid-template-columns: 1fr; }
    .sim-learn-grid article > span { margin-bottom: 1.3rem; }
    .sim-disclaimer { grid-template-columns: 1fr; gap: .65rem; }
}

@media (prefers-reduced-motion: reduce) {
    .sim-primary-action { transition: none; }
}