/* Interactive pipeline demo, shared by the fr and en IA-DeepLearning pipeline pages.
   Uses the host page's colour tokens when they exist. */
.pd-root {
    --pd-accent: var(--accent-neural, #6b8cff);
    --pd-accent-strong: var(--accent-synapse, #4a6edb);
    --pd-deep: var(--accent-deep, #2d4a8e);
    --pd-text: var(--text-primary, #1a2740);
    --pd-muted: var(--text-secondary, #4a5a7a);
    --pd-border: var(--border-light, rgba(107, 140, 255, 0.12));
    --pd-soft: rgba(107, 140, 255, 0.06);
    --pd-good: #2e8b57;
    --pd-bad: #c0392b;
    --pd-warn: #b9770e;
    background: white;
    border: 2px solid var(--pd-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 4px 12px var(--shadow-deep, rgba(45, 74, 142, 0.08));
    color: var(--pd-text);
    margin-bottom: 3rem;
}

.pd-root button {
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
}

.pd-loading,
.pd-error {
    color: var(--pd-muted);
    padding: 2rem;
    text-align: center;
}

.pd-error {
    color: var(--pd-bad);
}

/* modality tabs */
.pd-tabs {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.pd-tab {
    flex: 1 1 12rem;
    text-align: left;
    background: var(--pd-soft);
    border: 2px solid var(--pd-border);
    border-radius: 14px;
    padding: 0.8rem 1rem;
    color: var(--pd-text);
    transition: border-color 0.2s, background 0.2s;
}

.pd-tab strong {
    display: block;
    font-size: 1.05rem;
    color: var(--pd-deep);
}

.pd-tab span {
    font-size: 0.85rem;
    color: var(--pd-muted);
}

.pd-tab[aria-selected="true"] {
    border-color: var(--pd-accent);
    background: rgba(107, 140, 255, 0.14);
}

/* step navigation */
.pd-steps {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.pd-root .pd-step {
    border: 1px solid var(--pd-border);
    background: white;
    border-radius: 10px;
    padding: 0.45rem 0.2rem;
    font-size: 0.75rem;
    line-height: 1.2;
    color: var(--pd-muted);
    min-width: 0;
}

.pd-step b {
    display: block;
    font-size: 0.95rem;
    color: var(--pd-deep);
}

.pd-step-name {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pd-step[aria-current="step"] {
    background: linear-gradient(135deg, var(--pd-accent), var(--accent-gradient, #8fa3ff));
    color: white;
    border-color: transparent;
}

.pd-step[aria-current="step"] b {
    color: white;
}

/* panel */
.pd-panel {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 2rem;
    align-items: start;
}

.pd-text h3 {
    font-size: 1.4rem;
    color: var(--pd-deep);
    margin-bottom: 0.75rem;
}

.pd-text p {
    color: var(--pd-muted);
    line-height: 1.7;
    margin-bottom: 0.8rem;
}

.pd-text code,
.pd-visual code {
    background: var(--pd-soft);
    border-radius: 4px;
    padding: 0.05rem 0.3rem;
    font-size: 0.9em;
}

.pd-takeaway {
    border-left: 4px solid var(--pd-accent);
    background: var(--pd-soft);
    padding: 0.7rem 1rem;
    border-radius: 0 10px 10px 0;
    color: var(--pd-text);
    font-size: 0.95rem;
    margin-top: 1rem;
}

.pd-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr));
    gap: 0.6rem;
    margin: 1rem 0;
}

.pd-stat {
    background: var(--pd-soft);
    border-radius: 10px;
    padding: 0.6rem 0.7rem;
}

.pd-stat small {
    display: block;
    color: var(--pd-muted);
    font-size: 0.78rem;
    letter-spacing: 0.02em;
}

.pd-stat b {
    font-size: 1.15rem;
    color: var(--pd-deep);
}

.pd-visual {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 0;
}

.pd-box {
    border: 1px solid var(--pd-border);
    border-radius: 12px;
    padding: 1rem;
    min-width: 0;
}

.pd-box h4 {
    font-size: 0.9rem;
    color: var(--pd-deep);
    margin-bottom: 0.6rem;
}

.pd-caption {
    font-size: 0.8rem;
    color: var(--pd-muted);
    margin-top: 0.4rem;
}

.pd-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.pd-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    gap: 1rem;
}

.pd-btn {
    background: white;
    border: 2px solid var(--pd-accent);
    color: var(--pd-accent-strong);
    border-radius: 10px;
    padding: 0.45rem 1rem;
    font-weight: 600;
}

.pd-btn:hover:not(:disabled) {
    background: var(--pd-soft);
}

.pd-btn:disabled {
    opacity: 0.35;
    cursor: default;
}

.pd-btn.pd-primary {
    background: var(--pd-accent);
    color: white;
}

/* pixel images */
canvas.pd-pixels {
    image-rendering: pixelated;
    border-radius: 4px;
    background: #000;
    display: block;
}

.pd-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(2.6rem, 1fr));
    gap: 0.35rem;
}

.pd-gallery button {
    padding: 0;
    border: 2px solid transparent;
    border-radius: 6px;
    background: none;
}

.pd-gallery button[aria-pressed="true"] {
    border-color: var(--pd-accent);
}

.pd-gallery button.pd-wrong {
    border-color: var(--pd-bad);
}

.pd-gallery canvas {
    width: 100%;
    height: auto;
}

/* tables */
.pd-table {
    border-collapse: collapse;
    font-size: 0.85rem;
    width: 100%;
}

.pd-table th,
.pd-table td {
    padding: 0.35rem 0.5rem;
    border-bottom: 1px solid var(--pd-border);
    text-align: right;
}

.pd-table th:first-child,
.pd-table td:first-child {
    text-align: left;
}

.pd-table th {
    color: var(--pd-deep);
    font-weight: 600;
}

.pd-flag {
    font-weight: 700;
    color: var(--pd-bad);
}

.pd-ok {
    color: var(--pd-good);
    font-weight: 600;
}

/* probability bars */
.pd-bars {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.pd-bar {
    display: grid;
    grid-template-columns: 6.5rem 1fr 3rem;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.85rem;
}

.pd-bar-track {
    background: var(--pd-soft);
    border-radius: 6px;
    height: 0.8rem;
    overflow: hidden;
}

.pd-bar-fill {
    background: var(--pd-accent);
    height: 100%;
    border-radius: 6px;
    transition: width 0.25s;
}

.pd-bar.pd-top .pd-bar-fill {
    background: var(--pd-deep);
}

.pd-bar span:last-child {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* tokens */
.pd-tokens {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.pd-token {
    border-radius: 6px;
    padding: 0.15rem 0.45rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.82rem;
    background: var(--pd-soft);
    border: 1px solid var(--pd-border);
}

.pd-token small {
    color: var(--pd-muted);
    margin-left: 0.25rem;
}

.pd-token.pd-unknown {
    border-style: dashed;
    color: var(--pd-bad);
}

.pd-input {
    width: 100%;
    font: inherit;
    padding: 0.55rem 0.75rem;
    border: 2px solid var(--pd-border);
    border-radius: 10px;
}

.pd-input:focus {
    border-color: var(--pd-accent);
    outline: none;
}

select.pd-input {
    width: auto;
}

.pd-root input[type="range"] {
    width: 100%;
    accent-color: var(--pd-accent);
}

.pd-slider {
    display: grid;
    grid-template-columns: 9rem 1fr 3.5rem;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.85rem;
}

.pd-mono {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.8rem;
    overflow-x: auto;
    white-space: pre;
    background: var(--pd-soft);
    border-radius: 8px;
    padding: 0.6rem;
}

.pd-arch {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
    font-size: 0.8rem;
}

.pd-arch span {
    background: var(--pd-soft);
    border: 1px solid var(--pd-border);
    border-radius: 8px;
    padding: 0.35rem 0.5rem;
    text-align: center;
}

.pd-arch span small {
    display: block;
    color: var(--pd-muted);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.pd-arch i {
    color: var(--pd-accent);
    font-style: normal;
}

svg.pd-chart {
    width: 100%;
    height: auto;
    display: block;
}

.pd-legend {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--pd-muted);
}

.pd-legend i {
    display: inline-block;
    width: 1rem;
    height: 3px;
    vertical-align: middle;
    margin-right: 0.3rem;
}

/* link added to each overview card */
.pd-card-link {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--pd-accent-strong, #4a6edb);
    text-decoration: none;
}

.pd-card-link:hover {
    text-decoration: underline;
}

@media (max-width: 900px) {
    .pd-panel {
        grid-template-columns: 1fr;
    }

    .pd-steps {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (max-width: 768px) {
    .pd-root {
        padding: 1rem;
    }

    .pd-step-name {
        display: none;
    }

    .pd-slider {
        grid-template-columns: 1fr 3rem;
    }

    .pd-slider label {
        grid-column: 1 / -1;
    }
}