/* ============================================
   Raspberry Pi Pinouts - Specific Styles
   - Supports missing fields (no crashes)
   - Supports multi-image per board
   - Modal supports Fit and 1:1 modes for easy scrolling/inspection
   ============================================ */

:root {
    --accent-rpi: #24c6dc;
    --accent-rpi-dim: rgba(36, 198, 220, 0.14);
}

.tool-icon-header.rpi {
    background: linear-gradient(135deg, var(--accent-rpi), rgba(36, 198, 220, 0.55));
    color: #0b0f14;
    font-weight: 800;
}

.tagline {
    font-family: "JetBrains Mono", monospace;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-top: 6px;
}

/* Layout */
.pinouts-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 24px;
    min-height: calc(100vh - 120px);
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 18px;
    box-shadow: var(--shadow-sm);
}

.panel h2 {
    font-size: 1rem;
    margin: 0;
    color: var(--text-primary);
}

.panel p {
    margin: 8px 0 0 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Sidebar filters */
.filters {
    display: grid;
    gap: 12px;
    margin-top: 14px;
}

.field label {
    display: block;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.field input,
.field select {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 0.9rem;
    outline: none;
}

.chips-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.chip {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    padding: 7px 10px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    transition: all 0.15s ease;
}

.chip:hover {
    border-color: var(--accent-rpi);
    background: var(--accent-rpi-dim);
    color: var(--text-primary);
}

.chip.active {
    border-color: var(--accent-rpi);
    background: var(--accent-rpi-dim);
    color: var(--text-primary);
    box-shadow: 0 0 0 2px rgba(36, 198, 220, 0.12) inset;
}

/* Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.pinout-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    min-height: 250px;
}

.pinout-thumb {
    background: linear-gradient(180deg, rgba(36, 198, 220, 0.09), rgba(36, 198, 220, 0.02));
    border-bottom: 1px solid var(--border-color);
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    cursor: pointer;
}

.pinout-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.02);
}

.pinout-thumb:hover {
    filter: brightness(1.05);
}

.pinout-thumb:focus {
    outline: 2px solid var(--accent-rpi);
    outline-offset: -2px;
}

.pinout-body {
    padding: 14px 14px 12px 14px;
    display: grid;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.pinout-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}

.pinout-title {
    font-size: 0.95rem;
    margin: 0;
    color: var(--text-primary);
    line-height: 1.2;
}

.pinout-sub {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.badge {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.7rem;
    border-radius: 999px;
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    background: rgba(36, 198, 220, 0.08);
    color: var(--text-secondary);
    white-space: nowrap;
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.meta-pill {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.6875rem;
    padding: 6px 8px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.pinout-notes {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.35;
    margin: 0;
}

.pinout-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 2px;
}

.pinout-actions-left {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.mini-btn {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    padding: 7px 10px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.mini-btn:hover {
    border-color: var(--accent-rpi);
    background: var(--accent-rpi-dim);
}

.mini-btn.primary {
    border-color: var(--accent-rpi);
    background: rgba(36, 198, 220, 0.18);
}

.mini-btn.disabled,
.mini-btn[aria-disabled="true"] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.source-line {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.72rem;
    color: var(--text-muted);
    border-top: 1px dashed var(--border-color);
    padding-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 10px;
    overflow: hidden;
}

.source-line a {
    color: var(--text-secondary);
    text-decoration: none;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 999px;
    padding: 5px 8px;
    line-height: 1.1;
    display: inline-flex;
    align-items: center;
}

.source-line a:hover {
    color: var(--text-primary);
    border-color: var(--accent-rpi);
    background: rgba(36, 198, 220, 0.10);
    text-decoration: none;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 18px;
    z-index: 9999;
}

.modal.open {
    display: flex;
}

.modal-card {
    width: min(1200px, 100%);
    max-height: 92vh;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: grid;
    grid-template-rows: auto 1fr auto;
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    gap: 12px;
}

.modal-title {
    margin: 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.modal-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.modal-body {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 0;
    min-height: 0px;
}

.modal-viewer {
    border-right: 1px solid var(--border-color);
    background: rgba(36, 198, 220, 0.05);
    position: relative;
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 0;
}

.image-strip {
    display: flex;
    gap: 10px;
    padding: 12px;
    overflow-x: auto;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0,0,0,0.05);
}

.image-thumb {
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    width: 92px;
    height: 64px;
    background: var(--bg-secondary);
    cursor: pointer;
    flex: 0 0 auto;
    transition: all 0.15s ease;
}

.image-thumb:hover {
    border-color: var(--accent-rpi);
}

.image-thumb.active {
    border-color: var(--accent-rpi);
    box-shadow: 0 0 0 2px rgba(36, 198, 220, 0.14) inset;
}

.image-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.viewer-stage {
    overflow: auto;
    min-height: 0;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    image-rendering: auto;
}

/* Fit mode (default): image scales to viewer width/height */
.modal-viewer.fit .viewer-stage img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* Actual mode: image shows at its intrinsic size (scrollbars in stage) */
.modal-viewer.actual .viewer-stage {
    align-items: flex-start;
    justify-content: flex-start;
    cursor: grab;
}

.modal-viewer.actual .viewer-stage img {
    max-width: none !important;
    max-height: none !important;
    width: auto !important;
    height: auto !important;
}

.modal-viewer.actual .viewer-stage.dragging {
    cursor: grabbing;
}

.viewer-stage img {
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--bg-secondary);
    user-select: none;
    -webkit-user-drag: none;
}

.zoom-stage {
    transform-origin: 0 0;
    will-change: transform;
}

.modal-viewer.fit .zoom-stage {
    /* In fit mode, we don't apply scale transforms from JS.
       Keep it neutral so the existing fit CSS works. */
    transform: none !important;
}

.image-label {
    padding: 10px 12px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.modal-side {
    padding: 14px 16px;
    display: grid;
    gap: 14px;
    overflow: auto;
}

.section {
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--bg-secondary);
    padding: 12px;
}

.section h3 {
    font-size: 0.9rem;
    margin: 0;
    color: var(--text-primary);
}

.section p {
    margin: 8px 0 0 0;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.45;
    white-space: pre-wrap;
}

.doc-list {
    display: grid;
    gap: 8px;
    margin-top: 10px;
}

.doc-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    text-decoration: none;
    padding: 10px 10px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.03);
    transition: all 0.15s ease;
}

.doc-link:hover {
    border-color: var(--accent-rpi);
    background: rgba(36, 198, 220, 0.10);
}

.doc-type {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    background: rgba(0,0,0,0.06);
    white-space: nowrap;
}

.doc-label {
    color: var(--text-primary);
    font-size: 0.85rem;
    line-height: 1.2;
    flex: 1;
}

.modal-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-family: "JetBrains Mono", monospace;
    font-size: 0.75rem;
}

.close-btn {
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 8px 10px;
    cursor: pointer;
}

.close-btn:hover {
    border-color: var(--accent-rpi);
    background: rgba(36, 198, 220, 0.12);
}

/* Disclaimers */
.disclaimer {
    margin-top: 14px;
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    padding: 12px;
    background: rgba(255,255,255,0.03);
}

.disclaimer .title {
    font-family: "JetBrains Mono", monospace;
    color: var(--text-primary);
    font-size: 0.8rem;
    margin: 0 0 8px 0;
}

.disclaimer .body {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.45;
    margin: 0;
}

/* Warning Banner */
.warning-banner {
    background: rgba(220, 38, 38, 0.08);
    border-color: rgba(220, 38, 38, 0.3);
}

.warning-banner h3 {
    color: #dc2626;
}

.warning-banner code {
    background: rgba(220, 38, 38, 0.15);
    color: #dc2626;
    padding: 2px 4px;
    border-radius: 4px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.8em;
}

.warning-banner a {
    color: #dc2626;
    text-decoration: underline;
}

.warning-banner a:hover {
    color: #b91c1c;
}

/* Toast */
.toast {
    position: fixed;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.78);
    color: white;
    padding: 10px 12px;
    border-radius: 12px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.8rem;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease;
}

.toast.show {
    opacity: 1;
}

/* Responsive */
@media (max-width: 1100px) {
    .pinouts-layout {
        grid-template-columns: 1fr;
    }

    .grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .modal-body {
        grid-template-columns: 1fr;
    }

    .modal-viewer {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}

@media (max-width: 640px) {
    .grid {
        grid-template-columns: 1fr;
    }
}