.worksheet-panel[hidden] {
    display: none;
}

.statistics-mode .home-link {
    position: absolute;
}

#statistics-worksheet {
    max-width: 100%;
}

.stats-intro {
    padding: 24px 28px;
    border: 2px solid #64f4ac;
    border-radius: 12px;
    background: #102018;
}

.stats-intro h2 {
    color: #adf9ce;
    margin-bottom: 12px;
}

.stats-intro p + p {
    margin-top: 12px;
}

.stats-arcade-intro {
    display: grid;
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
    background: radial-gradient(ellipse at top left, #24442e, #102018 65%);
    box-shadow: 0 0 24px rgba(100, 244, 172, 0.1);
}

.stats-arcade-art {
    padding-top: 20px;
    text-align: center;
}

.stats-arcade-art svg {
    width: 100%;
    display: block;
}

.stats-arcade-art span {
    display: block;
    margin-top: 12px;
    color: #d7eadc;
    font-size: 0.8em;
    line-height: 1.5;
}

.stats-arcade-kicker {
    color: #ffd166;
    font: bold 0.75em/1.5 ui-monospace, monospace;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 12px;
}

.stats-arcade-mission {
    padding: 12px;
    background: #09120c;
    border: 1px dashed #ffd166;
    border-radius: 6px;
    color: #ffd166;
    font-size: 0.9em;
}

.stats-data-panel {
    margin: 28px 0;
    overflow-x: auto;
    border: 1px solid #45614f;
    border-radius: 10px;
}

#stats-data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 0;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

#stats-data-table caption {
    padding: 12px;
    color: #adf9ce;
    font-weight: bold;
    background: #102018;
}

#stats-data-table tbody th {
    color: #ffd166;
}

#stats-data-table th,
#stats-data-table td {
    padding: 7px 10px;
    border-top: 1px solid #3a4d40;
}

#stats-data-table thead {
    background: #1d3326;
}

#stats-data-table tbody tr:nth-child(even) {
    background: #151d17;
}

#stats-data-table tbody tr.stats-selected {
    background: #365c42;
    color: #fff;
    outline: 2px solid #64f4ac;
    outline-offset: -2px;
}

.stats-question {
    border-left-color: #64f4ac;
    background: #101a13;
}

.stats-question .question-number {
    color: #adf9ce !important;
    text-decoration-color: #64f4ac !important;
}

.stats-question p + p {
    margin-top: 12px;
}

.stats-question label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

.stats-question label small {
    display: block;
    color: #c8dacd;
    font-weight: normal;
}

.stats-question input[type="number"],
.stats-question select {
    width: 100%;
    min-width: 0;
    padding: 10px 12px;
    border: 2px solid #688974;
    border-radius: 6px;
    background: #09110c;
    color: #fff;
    font: inherit;
}

.stats-question input[type="range"] {
    width: 100%;
    accent-color: #64f4ac;
}

.stats-question input:focus-visible,
.stats-question select:focus-visible,
.stats-question textarea:focus-visible,
.stats-question button:focus-visible,
.stats-explanation summary:focus-visible {
    outline: 3px solid #64f4ac;
    outline-offset: 2px;
}

.stats-answer-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    max-width: 420px;
}

.stats-answer-row input {
    flex: 1 1 120px;
}

.stats-answer-row button {
    flex: 0 0 auto;
}

.stats-question button {
    padding: 9px 16px;
    border-color: #64f4ac;
    border-radius: 7px;
    background: #215737;
    box-shadow: none;
    font-size: 0.9em;
}

.stats-question button.reset {
    background: transparent;
    border-color: #64f4ac;
}

.stats-question button:hover {
    box-shadow: 0 0 0 2px rgba(100, 244, 172, 0.35);
}

.stats-formula,
.stats-state,
.stats-chart-note,
.stats-feedback {
    margin-top: 14px;
    padding: 10px 12px;
    border-left: 3px solid #64f4ac;
    background: #14251a;
    border-radius: 4px;
}

.stats-formula {
    font-family: 'STIX Two Math', 'STIX Two Text', serif;
    overflow-wrap: anywhere;
}

.stats-feedback:empty {
    display: none;
}

.stats-feedback[data-result="incorrect"] {
    border-color: #ffd166;
}

.stats-control-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 15px;
    margin: 18px 0;
}

.stats-control-grid select,
.stats-control-grid input {
    margin-top: 6px;
}

.stats-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 18px 0;
}

.stats-question canvas {
    display: block;
    width: 100%;
    height: auto;
    margin: 16px 0;
    border: 2px solid #3f8660;
    border-radius: 8px;
    background: #09120c;
    cursor: default;
}

.stats-explanation {
    margin-top: 20px;
    padding: 12px 16px;
    border: 1px solid #578567;
    border-radius: 7px;
    background: #102018;
}

.stats-explanation summary {
    color: #adf9ce;
    font-weight: bold;
    cursor: pointer;
}

.stats-explanation p {
    margin-top: 10px;
}

.stats-variation-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 16px;
}

.stats-variation-grid > div {
    border: 1px solid #578567;
    border-radius: 8px;
    padding: 14px;
}

.stats-variation-grid h3 {
    color: #adf9ce;
    font-size: 1em;
    font-style: normal;
    margin-bottom: 6px;
}

.stats-variation-grid ol {
    padding-left: 25px;
    font-variant-numeric: tabular-nums;
}

.stats-challenge {
    border-left-color: #ffd166;
}

.shared-animation-controls {
    margin-top: 20px;
}

.shared-animation-controls button {
    padding: 8px 14px;
    font-size: 0.85em;
}

.shared-animation-controls p {
    margin-top: 8px;
    font-size: 0.85em;
    color: #cfcfcf;
}

.stats-finale-intro {
    margin-top: 40px;
}

.stats-analogy-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.9em;
}

.stats-analogy-table caption {
    text-align: left;
    color: #adf9ce;
    font-weight: bold;
    margin-bottom: 8px;
}

.stats-analogy-table th,
.stats-analogy-table td {
    text-align: left;
    padding: 10px;
    border: 1px solid #578567;
    overflow-wrap: anywhere;
}

.stats-question .sgd-simulator,
.stats-question .wordvec-visualizer {
    margin: 22px 0;
    padding: 16px;
    border-color: #3f8660;
    font-size: 0.9em;
}

.stats-question .sgd-simulator > h3 {
    font-style: normal;
}

.stats-question .wordvec-stage,
.stats-question .training-loop-panel {
    border-color: #3f8660;
}

.stats-question .training-loop-panel-title,
.stats-question .wordvec-title {
    color: #adf9ce;
}

.stats-question .wordvec-visualizer canvas,
.stats-question .sgd-simulator canvas {
    margin: 0;
    border: 0;
    cursor: grab;
}

.stats-question #outputDistributionCanvas {
    cursor: default;
}

.shared-animation-controls button:focus-visible {
    outline: 3px solid #64f4ac;
    outline-offset: 3px;
}

@media (max-width: 680px) {
    .statistics-mode {
        font-size: 18px;
        line-height: 1.6;
    }

    .stats-intro {
        padding: 18px;
    }

    .stats-arcade-intro {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .stats-arcade-art {
        display: flex;
        align-items: center;
        gap: 16px;
        padding-top: 0;
        text-align: left;
    }

    .stats-arcade-art svg {
        width: 90px;
        flex: 0 0 90px;
    }

    #stats-data-table th,
    #stats-data-table td {
        padding: 6px 4px;
    }

    .stats-control-grid,
    .stats-variation-grid {
        grid-template-columns: 1fr;
    }

    .stats-answer-row {
        flex-wrap: wrap;
    }

    .stats-answer-row button {
        width: 100%;
    }

    .stats-buttons button {
        flex: 1 1 180px;
    }

    .stats-question .sgd-simulator,
    .stats-question .wordvec-visualizer {
        padding: 10px;
    }

    .stats-question .sgd-canvas-container {
        height: auto !important;
        aspect-ratio: 800 / 450;
    }
}

@media (prefers-reduced-motion: reduce) {
    .stats-question button,
    .mode-selector select {
        transition: none;
    }
}