/* Schematic viewer - page layout only; header, footer, hero, tips, info cards and CTA come from site-modern-v1.css. */

.main {
    padding-top: 0;
    padding-bottom: 56px;
    --sv-panel: color-mix(in srgb, var(--bg-card) 92%, transparent);
    --sv-field: color-mix(in srgb, var(--bg-primary) 80%, transparent);
    --sv-line: var(--border-color);
    --sv-accent: var(--primary);
    --sv-accent-soft: color-mix(in srgb, var(--primary) 16%, transparent);
}

.main [hidden] {
    display: none !important;
}

.hero {
    margin-bottom: 22px;
    padding: 140px 0 80px;
}

.viewer-section {
    padding: 24px 0 8px;
}

.sv-layout {
    display: flex;
    grid-template-columns: minmax(0, 330px) minmax(0, 1fr);
    gap: 18px;
    align-items: stretch;
    flex-direction: column-reverse;
    justify-content: center;
    align-content: center;
}

.sv-panel {
    background: var(--sv-panel);
    border: 1px solid var(--sv-line);
    border-radius: 18px;
    padding: 18px;
    box-shadow: var(--shadow-lg);
    min-width: 0;
}

.sv-panel h2,
.sv-panel h3 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0 0 12px;
}

.sv-panel h2 {
    font-size: 1.1rem;
}

.sv-panel h3 {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--sv-line);
    font-size: 0.95rem;
}

.sv-panel h2 i,
.sv-panel h3 i {
    color: var(--sv-accent);
}

/* ---------- Upload ---------- */

.sv-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    width: 100%;
    padding: 22px 14px;
    border: 2px dashed var(--sv-line);
    border-radius: 14px;
    background: var(--sv-field);
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.sv-dropzone > i {
    font-size: 1.8rem;
    color: var(--sv-accent);
}

.sv-dropzone strong {
    color: var(--text-primary);
}

.sv-dropzone small {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.sv-dropzone:hover,
.sv-dropzone:focus-visible,
.sv-dropzone.is-dragover {
    border-color: var(--sv-accent);
    background: var(--sv-accent-soft);
}

.sv-examples {
    display: grid;
    gap: 6px;
}

/* Structure browser: version + group filter, search, scrollable hit list. */
.sv-structures {
    margin-top: 10px;
}

.sv-struct-filters {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.sv-field {
    display: flex;
    flex: 1 1 0;
    min-width: 0;
    flex-direction: column;
    gap: 3px;
}

.sv-field label {
    margin: 0;
    text-align: left;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-secondary);
}

/* Native dropdowns: dark, and color-scheme makes the popup itself dark too -
   otherwise the list opens in the system's white. */
.sv-side select {
    width: 100%;
    min-width: 0;
    padding: 10px 12px;
    border: 1px solid var(--sv-line);
    border-radius: 10px;
    background: rgba(2, 6, 23, 0.6);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    color-scheme: dark;
    cursor: pointer;
}

.sv-side select:focus {
    outline: none;
    border-color: var(--sv-accent);
}

.sv-side select option {
    background: #0b1220;
    color: #e2e8f0;
}

.sv-btn-wide {
    width: 100%;
    margin-top: 8px;
}

.sv-struct-search {
    width: 100%;
    border: 1px solid var(--sv-line);
    background: rgba(2, 6, 23, 0.6);
    color: var(--text-primary);
    border-radius: 10px;
    padding: 9px 12px;
    font-family: inherit;
    font-size: 0.85rem;
}

.sv-struct-search:focus {
    outline: none;
    border-color: var(--sv-accent);
}

.sv-struct-summary {
    margin: 8px 0 6px;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.sv-struct-list {
    display: grid;
    gap: 5px;
    max-height: 360px;
    overflow-y: auto;
    padding-right: 4px;
}

.sv-struct-search::placeholder {
    text-align: left;
}

.sv-struct {
    display: grid;
    gap: 2px;
    width: 100%;
    padding: 8px 11px;
    border: 1px solid var(--sv-line);
    border-left: 3px solid transparent;
    border-radius: 8px;
    background: rgba(2, 6, 23, 0.45);
    color: var(--text-primary);
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.sv-struct:hover,
.sv-struct:focus-visible {
    border-color: color-mix(in srgb, var(--sv-accent) 60%, transparent);
    border-left-color: var(--sv-accent);
    background: rgba(15, 23, 42, 0.9);
    outline: none;
}

/* The structure that is actually on screen stays marked, also after filtering. */
.sv-struct.is-active {
    border-color: var(--sv-accent);
    border-left-color: var(--sv-accent);
    background: color-mix(in srgb, var(--sv-accent) 18%, rgba(2, 6, 23, 0.7));
}

.sv-struct.is-active .sv-struct-name {
    color: var(--sv-accent);
}

.sv-struct.is-active .sv-struct-meta {
    color: color-mix(in srgb, var(--sv-accent) 55%, var(--text-secondary));
}

/* The shared layer centers every span, so both lines say otherwise. */
.sv-struct-name,
.sv-struct-meta {
    display: block;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sv-struct-name {
    font-size: 0.82rem;
}

.sv-struct-meta {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.sv-struct-more {
    margin: 6px 2px 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.sv-example {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--sv-line);
    border-radius: 10px;
    background: var(--sv-field);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast);
}

.sv-example span {
    text-align: left;
}

.sv-example i {
    color: var(--sv-accent);
}

.sv-example:hover {
    border-color: var(--sv-accent);
    color: var(--text-primary);
}

.sv-file-name {
    margin: 0 0 8px;
    color: var(--text-primary);
    font-weight: 600;
    overflow-wrap: anywhere;
}

.sv-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin: 0;
}

.sv-info div {
    padding: 8px;
    border-radius: 10px;
    background: var(--sv-field);
}

.sv-info dt {
    color: var(--text-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sv-info dd {
    margin: 2px 0 0;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

/* ---------- View controls ---------- */

.sv-range {
    display: grid;
    gap: 6px;
}

.sv-range label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
}

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

.sv-check {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
}

.sv-check input {
    accent-color: var(--sv-accent);
}

.sv-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 14px;
}

.sv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 9px 10px;
    border: 1px solid var(--sv-line);
    border-radius: 10px;
    background: var(--sv-field);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.sv-btn:hover:not(:disabled),
.sv-btn.active {
    border-color: var(--sv-accent);
    color: var(--text-primary);
}

.sv-btn.active {
    background: var(--sv-accent-soft);
}

.sv-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* ---------- Stage ---------- */

.sv-stage-panel {
    padding: 12px;
}

.sv-stage {
    position: relative;
    height: min(72vh, 720px);
    min-height: 360px;
    border-radius: 12px;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 35%, color-mix(in srgb, var(--sv-accent) 14%, transparent), transparent 60%),
        linear-gradient(180deg, color-mix(in srgb, var(--bg-card) 70%, #000), color-mix(in srgb, var(--bg-primary) 85%, #000));
}

/* Fullscreen dock: layer slider and structure list move in here, so nothing
   needs leaving fullscreen. Outside fullscreen it stays empty and hidden. */
.sv-fs-dock {
    position: absolute;
    top: 62px;
    left: 12px;
    bottom: 12px;
    z-index: 3;
    width: min(340px, 42vw);
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    padding: 12px;
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 12px;
    background: rgba(2, 6, 23, 0.82);
    backdrop-filter: blur(8px);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.sv-fs-dock.is-collapsed {
    transform: translateX(calc(-100% - 16px));
    opacity: 0;
    pointer-events: none;
}

.sv-fs-dock h3 {
    margin: 0 0 2px;
    font-size: 0.85rem;
}

.sv-fs-dock .sv-btn-wide {
    margin-top: 6px;
}

.sv-fs-dock select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--sv-line);
    border-radius: 10px;
    background: rgba(2, 6, 23, 0.7);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    color-scheme: dark;
}

.sv-fs-dock .sv-struct-list {
    max-height: none;
    flex: 1 1 auto;
}

.sv-fs-dock .sv-structures {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    margin-top: 0;
}

/* The tools button only makes sense while the panels are docked. */
.sv-stage:not(.is-fullscreen) .sv-tool-fs {
    display: none;
}

@media (max-width: 560px) {
    .sv-fs-dock {
        width: min(300px, 78vw);
    }
}

/* View controls sit on the stage itself: no scrolling to reach them. */
.sv-stage-tools {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 3;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
}

.sv-tool {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-width: 38px;
    height: 38px;
    padding: 0 10px;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 10px;
    background: rgba(2, 6, 23, 0.72);
    backdrop-filter: blur(6px);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.8rem;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.sv-tool:hover:not(:disabled),
.sv-tool:focus-visible {
    border-color: var(--sv-accent);
    background: rgba(2, 6, 23, 0.92);
    outline: none;
}

.sv-tool:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.sv-tool.active {
    border-color: var(--sv-accent);
    color: var(--sv-accent);
}

.sv-tool-wide span {
    text-align: left;
}

@media (max-width: 560px) {
    .sv-tool-wide span {
        display: none;
    }
}

.sv-stage.is-fullscreen {
    height: 100vh;
    width: 100vw;
    border-radius: 0;
}

.sv-stage.is-fullscreen .sv-stage-tools {
    top: 18px;
    right: 18px;
}

.sv-stage.is-dragover {
    outline: 2px dashed var(--sv-accent);
    outline-offset: -6px;
}

.sv-stage canvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
    cursor: grab;
}

.sv-stage canvas:active {
    cursor: grabbing;
}

.sv-stage canvas:focus-visible {
    outline: 2px solid var(--sv-accent);
    outline-offset: -2px;
}

.sv-status {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px;
    color: var(--text-secondary);
    pointer-events: none;
}

.sv-stage.has-structure .sv-status {
    background: color-mix(in srgb, var(--bg-primary) 70%, transparent);
}

.sv-status i {
    font-size: 2.4rem;
    color: var(--sv-accent);
}

.sv-status.is-busy i {
    animation: sv-spin 1.2s linear infinite;
}

.sv-status.is-busy i::before {
    content: '\f110';
}

@keyframes sv-spin {
    to { transform: rotate(360deg); }
}

.sv-tooltip {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 2;
    max-width: 280px;
    padding: 7px 10px;
    border: 2px solid #2d0a6b;
    border-radius: 4px;
    background: rgba(16, 0, 16, 0.94);
    box-shadow: inset 0 0 0 1px rgba(80, 0, 255, 0.35), 0 8px 24px rgba(0, 0, 0, 0.35);
    color: #fff;
    font-size: 0.85rem;
    line-height: 1.4;
    pointer-events: none;
}

.sv-tooltip strong,
.sv-tooltip span {
    display: block;
    text-align: left;
}

.sv-tip-id,
.sv-tip-pos {
    color: #8a8a8a;
    font-size: 0.75rem;
}

.sv-tip-props {
    color: #aaa;
    font-size: 0.78rem;
    overflow-wrap: anywhere;
}

.sv-hint {
    margin: 10px 4px 2px;
    color: var(--text-muted);
    font-size: 0.78rem;
}

/* ---------- Materials ---------- */

.sv-materials-panel {
    margin-top: 18px;
}

.sv-materials-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
}

.sv-materials-head h2 {
    margin: 0;
}

.sv-materials-head .sv-count {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.sv-materials-actions {
    display: flex;
    gap: 8px;
}

.sv-materials {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 8px;
    max-height: 420px;
    margin: 0;
    padding: 2px;
    overflow-y: auto;
    list-style: none;
}

.sv-material {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border: 1px solid var(--sv-line);
    border-radius: 10px;
    background: var(--sv-field);
}

.sv-material-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    color: var(--text-muted);
}

.sv-material-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.is-pixel {
    image-rendering: pixelated;
}

.sv-material-name {
    flex: 1;
    min-width: 0;
    color: var(--text-primary);
    font-size: 0.85rem;
    text-align: left;
    overflow-wrap: anywhere;
}

.sv-material-count {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.2;
}

.sv-material-count strong {
    color: var(--sv-accent);
}

.sv-material-count small {
    color: var(--text-muted);
    font-size: 0.7rem;
    white-space: nowrap;
}

.sv-empty {
    grid-column: 1 / -1;
    padding: 12px;
    color: var(--text-muted);
}

.sv-tips {
    margin-top: 22px;
}

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
    .sv-layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .sv-stage {
        height: 60vh;
        min-height: 300px;
    }
}

@media (max-width: 560px) {
    .hero {
        padding: 110px 0 56px;
    }

    .sv-panel {
        padding: 14px;
        border-radius: 14px;
    }

    .sv-stage-panel {
        padding: 8px;
    }

    .sv-materials {
        grid-template-columns: minmax(0, 1fr);
    }

    .sv-materials-actions {
        width: 100%;
    }

    .sv-materials-actions .sv-btn {
        flex: 1;
    }
}