.monte-carlo-lab {
    max-width: 1160px;
    margin: 24px auto 20px;
}

.monte-carlo-shell {
    position: relative;
    overflow: hidden;
    padding: 34px;
    border-radius: 32px;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background:
        radial-gradient(circle at top right, rgba(56, 189, 248, 0.18), transparent 34%),
        radial-gradient(circle at bottom left, rgba(249, 115, 22, 0.18), transparent 28%),
        linear-gradient(135deg, #07101c 0%, #10203a 52%, #1f3a58 100%);
    box-shadow: 0 30px 72px rgba(8, 15, 30, 0.24);
    color: #e2e8f0;
}

.monte-carlo-shell::before,
.monte-carlo-shell::after {
    content: "";
    position: absolute;
    pointer-events: none;
    border-radius: 999px;
    opacity: 0.55;
}

.monte-carlo-shell::before {
    inset: -80px auto auto -80px;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.24), transparent 70%);
}

.monte-carlo-shell::after {
    inset: auto -60px -80px auto;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(251, 146, 60, 0.22), transparent 72%);
}

.mc-header,
.mc-preset-row,
.mc-scenario-copy,
.mc-story-grid,
.mc-layout {
    position: relative;
    z-index: 1;
}

.mc-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 28px;
}

.mc-header-copy {
    max-width: 800px;
}

.mc-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.58);
    border: 1px solid rgba(125, 211, 252, 0.22);
    color: #7dd3fc;
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.mc-header h3 {
    margin: 14px 0 12px;
    color: #f8fafc;
    font-size: clamp(1.95rem, 2.9vw, 2.65rem);
    line-height: 1.2;
}

.mc-description {
    margin: 0;
    color: #cbd5e1;
    font-size: 1.08rem;
    line-height: 1.9;
}

.mc-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 12px;
    min-width: 220px;
}

.mc-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.48);
    border: 1px solid rgba(148, 163, 184, 0.14);
    color: #dbeafe;
    font-size: 0.94rem;
    font-weight: 600;
}

.mc-swatch {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    display: inline-block;
}

.mc-swatch-band {
    background: linear-gradient(135deg, rgba(45, 212, 191, 0.95), rgba(14, 165, 233, 0.95));
}

.mc-swatch-path {
    background: #7dd3fc;
}

.mc-swatch-target {
    background: #fb923c;
}

.mc-preset-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 22px 0 12px;
}

.mc-preset {
    border: 1px solid rgba(226, 232, 240, 0.16);
    background: rgba(8, 15, 30, 0.44);
    color: #dbeafe;
    padding: 12px 18px;
    border-radius: 999px;
    font-size: 0.98rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease, color 0.22s ease;
}

.mc-preset:hover,
.mc-preset:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(125, 211, 252, 0.38);
    background: rgba(15, 23, 42, 0.82);
    color: #ffffff;
    outline: none;
}

.mc-preset.is-active {
    border-color: rgba(103, 232, 249, 0.42);
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.32), rgba(45, 212, 191, 0.24));
    color: #ffffff;
    box-shadow: 0 10px 24px rgba(14, 165, 233, 0.18);
}

.mc-scenario-copy {
    margin: 0 0 22px;
    color: #cbd5e1;
    font-size: 1.06rem;
    line-height: 1.9;
}

.mc-story-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 0 0 22px;
}

.mc-story-card {
    padding: 18px;
    border-radius: 20px;
    background: rgba(15, 23, 42, 0.56);
    border: 1px solid rgba(148, 163, 184, 0.14);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.mc-story-label {
    display: inline-block;
    margin-bottom: 10px;
    color: #7dd3fc;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.mc-story-card strong {
    display: block;
    color: #f8fafc;
    font-size: 1.1rem;
    line-height: 1.4;
}

.mc-story-card p {
    margin: 10px 0 0;
    color: #cbd5e1;
    font-size: 0.98rem;
    line-height: 1.75;
}

.mc-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.72fr) minmax(300px, 0.88fr);
    gap: 24px;
    align-items: start;
}

.mc-visual-column {
    display: grid;
    gap: 18px;
}

.mc-canvas-card,
.mc-control-panel {
    background: rgba(5, 11, 23, 0.44);
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-radius: 24px;
    padding: 20px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.mc-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
}

.mc-card-label {
    display: inline-block;
    margin-bottom: 8px;
    color: #7dd3fc;
    font-size: 0.84rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.mc-card-top h4 {
    margin: 0;
    color: #f8fafc;
    font-size: 1.22rem;
    line-height: 1.35;
}

.mc-live-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    min-height: 38px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.82);
    border: 1px solid rgba(148, 163, 184, 0.16);
    color: #f8fafc;
    font-size: 0.92rem;
    font-weight: 700;
    text-align: center;
    white-space: nowrap;
}

#mc-path-canvas,
#mc-distribution-canvas {
    width: 100%;
    display: block;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.96), rgba(7, 10, 19, 0.98));
}

.mc-control-panel {
    padding: 22px;
}

.mc-stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.mc-stat-card {
    min-height: 92px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.82);
    border: 1px solid rgba(148, 163, 184, 0.14);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.mc-stat-label {
    color: #94a3b8;
    font-size: 0.88rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.mc-stat-card strong {
    color: #f8fafc;
    font-size: clamp(1.32rem, 2.2vw, 1.85rem);
    line-height: 1.1;
}

.mc-controls {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

.mc-control-row {
    padding: 16px 18px;
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.52);
    border: 1px solid rgba(148, 163, 184, 0.12);
}

.mc-control-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
}

.mc-control-head label {
    margin: 0;
    color: #f8fafc;
    font-size: 1.04rem;
    font-weight: 700;
}

.mc-control-head span {
    color: #67e8f9;
    font-size: 1rem;
    font-weight: 700;
}

.mc-control-caption {
    display: block;
    margin-top: 6px;
    color: #94a3b8;
    font-size: 0.9rem;
    line-height: 1.7;
}

.mc-control-row input[type="range"] {
    width: 100%;
    margin-top: 12px;
    accent-color: #38bdf8;
    cursor: pointer;
}

.mc-button-row {
    display: flex;
    gap: 12px;
    margin-top: 18px;
}

.mc-primary-button,
.mc-secondary-button {
    flex: 1;
    border: 0;
    border-radius: 16px;
    padding: 15px 18px;
    font-size: 1.02rem;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.22s ease, box-shadow 0.22s ease, opacity 0.22s ease;
}

.mc-primary-button {
    background: linear-gradient(135deg, #38bdf8, #22d3ee);
    color: #082032;
    box-shadow: 0 18px 28px rgba(34, 211, 238, 0.2);
}

.mc-secondary-button {
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.88), rgba(249, 115, 22, 0.92));
    color: #fff7ed;
    box-shadow: 0 18px 28px rgba(249, 115, 22, 0.2);
}

.mc-primary-button:hover,
.mc-primary-button:focus-visible,
.mc-secondary-button:hover,
.mc-secondary-button:focus-visible {
    transform: translateY(-1px);
    outline: none;
}

.mc-note-panel {
    margin-top: 18px;
    padding: 16px 18px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.14), rgba(45, 212, 191, 0.1));
    border: 1px solid rgba(103, 232, 249, 0.14);
    color: #dbeafe;
    font-size: 1rem;
    line-height: 1.82;
}

.lab-secondary-note {
    max-width: 1040px;
    margin: 14px auto 18px;
    color: #475569;
    font-size: 1rem;
    line-height: 1.8;
}

body.dark-mode .monte-carlo-shell {
    border-color: rgba(148, 163, 184, 0.22);
    box-shadow: 0 32px 80px rgba(2, 6, 23, 0.44);
}

body.dark-mode .mc-canvas-card,
body.dark-mode .mc-control-panel,
body.dark-mode .mc-stat-card,
body.dark-mode .mc-control-row,
body.dark-mode .mc-note-panel,
body.dark-mode .mc-legend-item,
body.dark-mode .mc-live-pill,
body.dark-mode .mc-story-card,
body.dark-mode .mc-preset {
    border-color: rgba(148, 163, 184, 0.18);
}

body.dark-mode .lab-secondary-note {
    color: #cbd5e1;
}

@media (max-width: 1500px) {
    .mc-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .monte-carlo-shell {
        padding: 22px;
        border-radius: 28px;
    }

    .mc-header,
    .mc-card-top {
        flex-direction: column;
    }

    .mc-legend {
        justify-content: flex-start;
    }

    .mc-stat-grid {
        grid-template-columns: 1fr 1fr;
    }

    .mc-story-grid {
        grid-template-columns: 1fr;
    }

    .mc-button-row {
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .monte-carlo-lab {
        margin-top: 20px;
    }

    .monte-carlo-shell {
        padding: 18px;
        border-radius: 24px;
    }

    .mc-stat-grid {
        grid-template-columns: 1fr;
    }

    .mc-control-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .lab-secondary-note {
        margin-bottom: 14px;
    }
}