/*
 * WHW Page-Specific Styles
 * What: Centralized styles for all pages
 * How: Organized by page sections
 * Why: DRY principle, easier maintenance
 *
 * Naming Convention: BEM + CUBE CSS with prefixes
 * l-* = Layout/Composition
 * c-* = Component/Block
 * u-* = Utility
 * is-*, has-* = JS State
 * js-* = JS Hook (no styles)
 */

/* ==================== */
/* INDEX PAGE           */
/* ==================== */

.page-index main {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    padding: 3rem;
    gap: 3rem;
    align-items: center;
}

@media (max-width: 900px) {
    .page-index main {
        grid-template-columns: 1fr;
        padding: 1.5rem;
        gap: 2rem;
    }
}

/* ==================== */
/* LOGIN PAGE           */
/* ==================== */

.l-login,
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.c-login-card,
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-card);
    border: 3px solid var(--border-strong);
    padding: 2.5rem;
    position: relative;
}

.login-card::before {
    content: 'AUTH';
    position: absolute;
    top: -0.7rem;
    left: 1rem;
    background: var(--bg);
    padding: 0 0.5rem;
    font-size: 0.55rem;
    color: var(--text-dim);
    letter-spacing: 2px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -2px;
    margin-bottom: 0.5rem;
}

.login-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.login-subtitle {
    font-size: 0.75rem;
    color: var(--text-dim);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.login-form .form-group {
    margin-bottom: 0;
}

.login-form .form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.7rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-form .form-input {
    width: 100%;
    padding: 1rem;
    background: var(--bg-input);
    border: 2px solid var(--border-strong);
    color: var(--text);
    font-family: inherit;
    font-size: 1rem;
}

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

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-dim);
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

.login-btn {
    width: 100%;
    padding: 1rem;
    background: var(--accent);
    border: none;
    color: white;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.2s;
}

.login-btn:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3);
}

.login-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-dim);
}

.login-footer a {
    color: var(--accent);
    text-decoration: none;
}

.login-hint {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg);
    border-left: 3px solid var(--accent);
    font-size: 0.7rem;
    color: var(--text-dim);
}

.login-controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
}

.c-login-error,
.login-error {
    padding: 0.75rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
    font-size: 0.75rem;
    display: none;
}

.c-login-error.is-visible,
.login-error.show {
    display: block;
}

/* ==================== */
/* DASHBOARD PAGE       */
/* ==================== */

/* Density settings */
.page-dashboard {
    --card-min-width: 280px;
    --card-padding: 1.25rem;
    --card-gap: 1rem;
    --value-size: 2.5rem;
    --name-size: 0.85rem;
}

/* Density: Compact */
[data-density="compact"] {
    --card-min-width: 160px;
    --card-padding: 0.75rem;
    --card-gap: 0.5rem;
    --value-size: 1.5rem;
    --name-size: 0.65rem;
}

[data-density="compact"] .staleness-bar { display: none; }
[data-density="compact"] .staleness-dot { display: block; }
[data-density="compact"] .staleness-time { display: none; }
[data-density="compact"] .card-location { display: none; }
[data-density="compact"] .value-status { display: none; }
[data-density="compact"] .edit-controls { display: none; }
[data-density="compact"] .card-header { margin-bottom: 0.5rem; }
[data-density="compact"] .value-display { margin-bottom: 0; }
[data-density="compact"] .value-card:hover { transform: none; box-shadow: none; }
[data-density="compact"] .value-card::before { font-size: 0.4rem; top: -0.45rem; }
[data-density="compact"] .value-card.editable::after { font-size: 0.35rem; top: -0.45rem; }
[data-density="compact"] .value-card { border-width: 2px; }

/* Staleness dot */
.staleness-dot {
    display: none;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--fresh);
}
.staleness-dot.fresh { background: var(--fresh); box-shadow: 0 0 6px var(--fresh); }
.staleness-dot.aging { background: var(--stale-2); }
.staleness-dot.stale { background: var(--stale-4); opacity: 0.8; }

/* Dashboard Controls */
.dashboard-controls {
    display: flex;
    gap: 1rem;
    align-items: stretch;
}

.density-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 2px solid var(--border-strong);
    font-size: 0.6rem;
}

.density-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bg);
    border: 2px solid var(--border);
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.2s;
}

.density-btn:hover {
    border-color: var(--border-strong);
    color: var(--text);
}

.c-density-btn.is-active,
.density-btn.active {
    background: var(--border-strong);
    border-color: var(--border-strong);
    color: var(--text-on-strong);
}

.header-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.65rem;
    color: var(--text-dim);
}

.header-status .status-dot {
    width: 8px;
    height: 8px;
    background: var(--fresh);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Legend */
.staleness-legend {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 2px solid var(--border-strong);
    font-size: 0.6rem;
}

.legend-title {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
}

/* Dashboard Grid */
.l-dashboard-grid,
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(var(--card-min-width), 1fr));
    gap: var(--card-gap);
}

/* Value Card */
.c-value-card,
.value-card {
    background: var(--bg-card);
    border: 3px solid var(--border-strong);
    padding: var(--card-padding);
    position: relative;
    transition: all 0.2s;
}

.value-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.value-card::before {
    content: attr(data-id);
    position: absolute;
    top: -0.55rem;
    left: 0.75rem;
    background: var(--bg);
    padding: 0 0.4rem;
    font-size: 0.5rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.card-info {
    flex: 1;
}

.card-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: var(--name-size);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-location {
    font-size: 0.6rem;
    color: var(--text-dim);
    margin-top: 0.2rem;
}

/* Staleness Indicator */
.staleness {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.2rem;
}

.staleness-bar {
    display: flex;
    gap: 2px;
}

.staleness-segment {
    width: 6px;
    height: 14px;
    background: var(--border);
    transition: background 0.3s;
}

.staleness-segment.active-1 { background: var(--fresh); }
.staleness-segment.active-2 { background: var(--stale-1); }
.staleness-segment.active-3 { background: var(--stale-2); }
.staleness-segment.active-4 { background: var(--stale-3); }
.staleness-segment.active-5 { background: var(--stale-4); }

.staleness-time {
    font-size: 0.5rem;
    color: var(--text-dim);
}

/* Value Display */
.value-display {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.value-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: var(--value-size);
    font-weight: 700;
    line-height: 1;
}

.value-unit {
    font-size: 1rem;
    color: var(--text-dim);
}

/* Value Status */
.value-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.6rem;
    padding: 0.4rem 0.6rem;
    background: var(--bg);
    border-left: 3px solid var(--fresh);
}

.value-status.warning { border-color: var(--warning); }
.value-status.danger { border-color: var(--danger); }

.value-status .status-icon {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--fresh);
}

.value-status.warning .status-icon { background: var(--warning); }
.value-status.danger .status-icon { background: var(--danger); }

/* Editable Card */
.value-card.editable {
    border-color: var(--accent);
}

.value-card.editable::after {
    content: 'RW';
    position: absolute;
    top: -0.55rem;
    right: 0.75rem;
    background: var(--accent);
    color: white;
    padding: 0 0.4rem;
    font-size: 0.45rem;
    font-weight: 700;
    letter-spacing: 1px;
}

/* Edit Controls */
.edit-controls {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--border);
}

.c-input--edit,
.edit-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    background: var(--bg);
    border: 2px solid var(--border-strong);
    font-family: inherit;
    font-size: 0.85rem;
    color: var(--text);
}

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

.c-btn--edit,
.edit-btn {
    padding: 0.5rem 1rem;
    background: var(--border-strong);
    border: none;
    color: var(--text-on-strong);
    font-family: inherit;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s;
}

.c-btn--edit:hover,
.edit-btn:hover {
    background: var(--accent);
}

/* Section Header */
.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-strong);
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-count {
    padding: 0.2rem 0.5rem;
    background: var(--border-strong);
    color: var(--text-on-strong);
    font-size: 0.6rem;
    font-weight: 700;
}

.section-icon {
    width: 36px;
    height: 36px;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-icon svg {
    width: 20px;
    height: 20px;
    color: white;
}

/* Dashboard Responsive */
@media (max-width: 768px) {
    .staleness-legend {
        flex-wrap: wrap;
    }

    .page-dashboard .page-header {
        flex-direction: column;
    }

    .dashboard-controls {
        flex-direction: column;
        width: 100%;
    }

    .staleness-legend,
    .density-toggle {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 480px) {
    .staleness-legend .legend-item span:last-child {
        display: none;
    }
}

/* ==================== */
/* ELEMENTS PAGE        */
/* ==================== */

.l-elements-grid,
.elements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.c-element-card,
.element-card {
    background: var(--bg-card);
    border: 3px solid var(--border-strong);
    transition: all 0.2s;
    cursor: pointer;
}

.element-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.element-preview {
    height: 160px;
    background: var(--bg);
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.element-preview-content {
    padding: 1rem;
    width: 100%;
}

.element-info {
    padding: 1.25rem;
}

.element-category {
    font-size: 0.55rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.element-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.element-desc {
    font-size: 0.7rem;
    color: var(--text-dim);
    line-height: 1.5;
}

.element-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 1rem;
}

.element-tag {
    padding: 0.25rem 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Category Filter */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.category-btn {
    padding: 0.6rem 1.2rem;
    background: var(--bg-card);
    border: 2px solid var(--border-strong);
    color: var(--text);
    font-family: inherit;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s;
}

.c-category-btn:hover,
.category-btn:hover {
    background: var(--border);
}

.c-category-btn.is-active,
.category-btn.active {
    background: var(--border-strong);
    color: var(--text-on-strong);
}

[data-theme="dark"] .category-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

/* Preview Components */
.preview-value-card {
    background: var(--bg-card);
    border: 2px solid var(--border-strong);
    padding: 0.75rem;
    width: 90%;
}

.preview-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
}

.preview-label {
    font-size: 0.6rem;
    color: var(--text-dim);
}

.preview-staleness {
    display: flex;
    gap: 2px;
    margin-top: 0.5rem;
}

.preview-staleness span {
    width: 8px;
    height: 12px;
    background: var(--success);
}

.preview-staleness span:nth-child(n+4) {
    background: var(--border);
}

.preview-button {
    padding: 0.6rem 1.5rem;
    background: var(--accent);
    color: white;
    border: none;
    font-family: inherit;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.preview-input {
    padding: 0.6rem 1rem;
    border: 2px solid var(--border-strong);
    background: var(--bg-input);
    width: 80%;
    font-family: inherit;
}

.preview-toggle {
    display: flex;
    border: 2px solid var(--border-strong);
}

.preview-toggle span {
    padding: 0.5rem 1rem;
    font-size: 0.65rem;
    font-weight: 600;
}

.preview-toggle span:first-child {
    background: var(--border-strong);
    color: var(--text-on-strong);
}

.preview-chart {
    width: 90%;
    height: 80px;
    display: flex;
    align-items: flex-end;
    gap: 4px;
}

.preview-chart-bar {
    flex: 1;
    background: var(--accent);
    opacity: 0.7;
}

.preview-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preview-status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--success);
}

.preview-flow {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preview-flow-box {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-strong);
    font-size: 0.7rem;
    font-weight: 600;
}

.preview-flow-arrow {
    color: var(--text-dim);
}

/* Modal */
.c-modal-overlay,
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 2rem;
}

.c-modal-overlay.is-visible,
.modal-overlay.show {
    display: flex;
}

.c-modal,
.modal {
    background: var(--bg-card);
    border: 3px solid var(--border-strong);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.c-modal__header,
.modal-header {
    padding: 1.5rem;
    border-bottom: 2px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.modal-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
}

.c-modal__close,
.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dim);
}

.modal-close:hover {
    color: var(--accent);
}

.modal-tabs {
    display: flex;
    border-bottom: 2px solid var(--border);
}

.modal-tab {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    color: var(--text-dim);
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.modal-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.c-modal__content,
.modal-content {
    padding: 1.5rem;
}

.c-modal__section,
.modal-section {
    display: none;
}

.c-modal__section.is-active,
.modal-section.active {
    display: block;
}

.code-block {
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 1rem;
    font-size: 0.75rem;
    overflow-x: auto;
    white-space: pre;
}

.prop-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.75rem;
}

.prop-table th,
.prop-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.prop-table th {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.65rem;
    color: var(--text-dim);
}

.prop-type {
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
}

/* Icon Preview Styles */
.icon-preview-grid {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
}

.icon-variant {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.icon-variant-label {
    font-size: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
}

.icon-box {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
}

.icon-box svg {
    width: 24px;
    height: 24px;
}

.icon-box.accent {
    border-color: var(--accent);
    color: var(--accent);
}

/* ==================== */
/* FLOW PAGE            */
/* ==================== */

/* View Tabs */
.c-view-tabs,
.view-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.c-view-tab,
.view-tab {
    padding: 0.6rem 1.2rem;
    background: var(--bg-card);
    border: 2px solid var(--border-strong);
    font-family: inherit;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s;
}

.c-view-tab:hover,
.view-tab:hover {
    background: var(--border);
}

.c-view-tab.is-active,
.view-tab.active {
    background: var(--border-strong);
    color: var(--text-on-strong);
}

/* Flow Views */
.c-flow-view,
.flow-view {
    display: none;
}

.c-flow-view.is-active,
.flow-view.active {
    display: block;
}

/* Legend */
.flow-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 2px solid var(--border-strong);
    margin-bottom: 1.5rem;
    font-size: 0.65rem;
}

.legend-line {
    width: 30px;
    height: 4px;
}

.legend-line.supply { background: var(--air-supply); }
.legend-line.exhaust { background: var(--air-exhaust); }
.legend-line.heat { background: var(--heat); }
.legend-line.cool { background: var(--cool); }
.legend-line.electric { background: var(--electric); }
.legend-line.data { background: var(--data); border: 1px dashed var(--data); height: 2px; }

/* Schematic Container */
.schematic-container {
    background: var(--bg-card);
    border: 3px solid var(--border-strong);
    padding: 2rem;
    position: relative;
    overflow-x: auto;
}

.schematic-title {
    position: absolute;
    top: -0.7rem;
    left: 1rem;
    background: var(--bg);
    padding: 0 0.5rem;
    font-size: 0.6rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

.schematic-svg {
    width: 100%;
    min-width: 900px;
    height: 400px;
}

/* SVG Styles */
.flow-line {
    fill: none;
    stroke-width: 6;
    stroke-linecap: round;
}

.flow-line.supply { stroke: var(--air-supply); }
.flow-line.exhaust { stroke: var(--air-exhaust); }
.flow-line.heat { stroke: var(--heat); }
.flow-line.electric { stroke: var(--electric); stroke-dasharray: 8 4; }
.flow-line.data { stroke: var(--data); stroke-width: 2; stroke-dasharray: 4 4; }

.flow-arrow {
    fill: var(--air-supply);
}

.flow-arrow.exhaust { fill: var(--air-exhaust); }

.component-box {
    fill: var(--bg-card);
    stroke: var(--border-strong);
    stroke-width: 2;
}

.component-box.active {
    stroke: var(--accent);
    stroke-width: 3;
}

.component-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    fill: var(--text);
}

.component-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 14px;
    font-weight: 700;
    fill: var(--text);
}

.component-unit {
    font-size: 10px;
    fill: var(--text-dim);
}

.sensor-dot {
    fill: var(--data);
    stroke: var(--border-strong);
    stroke-width: 2;
}

/* Animated flow */
.flow-particle {
    fill: white;
    opacity: 0.8;
}

@keyframes flowMove {
    0% { offset-distance: 0%; }
    100% { offset-distance: 100%; }
}

.flow-particle.animated {
    offset-path: path('M0,0');
    animation: flowMove 3s linear infinite;
}

/* Isometric Container */
.iso-container {
    background: var(--bg-card);
    border: 3px solid var(--border-strong);
    padding: 2rem;
    position: relative;
}

.iso-svg {
    width: 100%;
    max-width: 1000px;
    height: 500px;
    margin: 0 auto;
    display: block;
}

.iso-face {
    stroke: var(--border-strong);
    stroke-width: 1.5;
}

.iso-face.top { fill: #e8e8e8; }
.iso-face.front { fill: #d0d0d0; }
.iso-face.side { fill: #b8b8b8; }

.iso-face.supply-duct { fill: rgba(59, 130, 246, 0.3); }
.iso-face.exhaust-duct { fill: rgba(139, 92, 246, 0.3); }

.iso-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    fill: var(--text);
}

.iso-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 16px;
    font-weight: 700;
}

/* Sankey Container */
.sankey-container {
    background: var(--bg-card);
    border: 3px solid var(--border-strong);
    padding: 2rem;
}

.sankey-svg {
    width: 100%;
    height: 350px;
}

.sankey-flow {
    fill-opacity: 0.6;
}

.sankey-node {
    fill: var(--border-strong);
}

.sankey-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    fill: var(--text);
}

.sankey-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 14px;
    font-weight: 700;
    fill: var(--text);
}

/* Cause & Effect Container */
.cause-effect-container {
    background: var(--bg-card);
    border: 3px solid var(--border-strong);
    padding: 2rem;
}

.ce-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 1rem;
    align-items: center;
}

.ce-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ce-column-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-align: center;
    padding: 0.5rem;
    background: var(--border-strong);
    color: var(--text-on-strong);
    margin-bottom: 0.5rem;
}

.ce-node {
    padding: 1rem;
    background: var(--bg);
    border: 2px solid var(--border-strong);
    position: relative;
}

.ce-node.input { border-left: 4px solid var(--air-supply); }
.ce-node.process { border-left: 4px solid var(--accent); }
.ce-node.output { border-left: 4px solid var(--success); }

.ce-node-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.ce-node-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
}

.ce-node-unit {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.ce-node-desc {
    font-size: 0.6rem;
    color: var(--text-dim);
    margin-top: 0.5rem;
}

.ce-arrows {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    color: var(--text-dim);
    font-size: 1.5rem;
}

/* Editable nodes */
.ce-node.editable {
    border-color: var(--accent);
}

.ce-node.editable::after {
    content: 'RW';
    position: absolute;
    top: -0.5rem;
    right: 0.5rem;
    background: var(--accent);
    color: white;
    padding: 0.1rem 0.3rem;
    font-size: 0.45rem;
    font-weight: 700;
}

.ce-edit-input {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.4rem;
    border: 2px solid var(--border-strong);
    font-family: inherit;
    font-size: 0.8rem;
}

/* Impact Container */
.impact-container {
    background: var(--bg-card);
    border: 3px solid var(--border-strong);
    padding: 2rem;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.impact-card {
    border: 2px solid var(--border-strong);
    padding: 1.25rem;
    position: relative;
}

.impact-card::before {
    content: attr(data-goal);
    position: absolute;
    top: -0.6rem;
    left: 0.75rem;
    background: var(--bg-card);
    padding: 0 0.4rem;
    font-size: 0.5rem;
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 1px;
}

/* ==================== */
/* WHW GUIDE PAGE       */
/* ==================== */

.guide-intro {
    background: var(--bg-card);
    border: 3px solid var(--border-strong);
    padding: 2rem;
    margin-bottom: 2rem;
}

.guide-intro-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.guide-intro-title svg {
    width: 32px;
    height: 32px;
    color: var(--accent);
}

.guide-intro p {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.7;
    max-width: 800px;
}

.whw-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
}

.whw-pillar {
    padding: 1rem;
    border: 2px solid var(--border);
    background: var(--bg);
}

.whw-pillar-label {
    font-size: 0.6rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.whw-pillar-label.what { color: #3b82f6; }
.whw-pillar-label.how { color: #22c55e; }
.whw-pillar-label.why { color: var(--accent); }

.whw-pillar-text {
    font-size: 0.75rem;
    color: var(--text-dim);
    line-height: 1.5;
}

/* Section */
.guide-section {
    margin-bottom: 3rem;
}

/* Example Card */
.example-card {
    background: var(--bg-card);
    border: 3px solid var(--border-strong);
    margin-bottom: 1.5rem;
}

.example-header {
    padding: 1.25rem;
    border-bottom: 2px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.example-icon {
    width: 50px;
    height: 50px;
    background: var(--bg);
    border: 2px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.example-icon svg {
    width: 26px;
    height: 26px;
}

.example-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
}

.example-subtitle {
    font-size: 0.65rem;
    color: var(--text-dim);
    margin-top: 0.2rem;
}

.example-id {
    margin-left: auto;
    font-size: 0.55rem;
    color: var(--text-dim);
    letter-spacing: 1px;
}

/* WHW Breakdown */
.whw-breakdown {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.whw-block {
    padding: 1.25rem;
    border-right: 1px solid var(--border);
}

.whw-block:last-child {
    border-right: none;
}

.whw-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
}

.whw-label::before {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.whw-block.what .whw-label { color: #3b82f6; }
.whw-block.what .whw-label::before { background: #3b82f6; }

.whw-block.how .whw-label { color: #22c55e; }
.whw-block.how .whw-label::before { background: #22c55e; }

.whw-block.why .whw-label { color: var(--accent); }
.whw-block.why .whw-label::before { background: var(--accent); }

.whw-content {
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--text);
}

.whw-content ul {
    margin: 0;
    padding-left: 1rem;
}

.whw-content li {
    margin-bottom: 0.4rem;
}

.whw-content code {
    background: var(--bg);
    padding: 0.15rem 0.4rem;
    font-size: 0.75rem;
    border: 1px solid var(--border);
}

/* Visual Example */
.example-visual {
    padding: 1.5rem;
    background: var(--bg);
    border-top: 2px dashed var(--border);
    display: flex;
    justify-content: center;
}

.example-visual-label {
    position: absolute;
    top: -0.5rem;
    left: 1rem;
    background: var(--bg);
    padding: 0 0.5rem;
    font-size: 0.5rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Guide Preview Value Card */
.guide-section .preview-value-card {
    background: var(--bg-card);
    border: 2px solid var(--border-strong);
    padding: 1rem;
    min-width: 200px;
    position: relative;
}

.guide-section .preview-value-card::before {
    content: attr(data-id);
    position: absolute;
    top: -0.5rem;
    left: 0.5rem;
    background: var(--bg);
    padding: 0 0.3rem;
    font-size: 0.45rem;
    color: var(--text-dim);
}

.preview-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.preview-card-name {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.preview-staleness-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}

.guide-section .preview-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}

.preview-unit {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* Code Example */
.code-example {
    background: var(--bg-card);
    border: 2px solid var(--border);
    padding: 1rem;
    margin-top: 1rem;
    position: relative;
}

.code-example::before {
    content: 'Priklad kodu';
    position: absolute;
    top: -0.5rem;
    left: 0.75rem;
    background: var(--bg-card);
    padding: 0 0.4rem;
    font-size: 0.5rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.code-example pre {
    font-size: 0.7rem;
    line-height: 1.5;
    overflow-x: auto;
    color: var(--text);
}

.code-example .comment { color: var(--text-dim); }
.code-example .keyword { color: #3b82f6; }
.code-example .string { color: #22c55e; }
.code-example .number { color: var(--accent); }

/* Tips */
.tips-box {
    background: var(--bg);
    border-left: 4px solid var(--accent);
    padding: 1rem 1.25rem;
    margin-top: 1rem;
}

.tips-title {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.tips-list {
    font-size: 0.75rem;
    color: var(--text);
    margin: 0;
    padding-left: 1rem;
    line-height: 1.6;
}

/* Guide Responsive */
@media (max-width: 900px) {
    .whw-breakdown {
        grid-template-columns: 1fr;
    }

    .whw-block {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .whw-block:last-child {
        border-bottom: none;
    }

    .whw-pillars {
        grid-template-columns: 1fr;
    }
}

/* ==================== */
/* BLOCKS PAGE          */
/* ==================== */

.blocks-section {
    margin-bottom: 3rem;
}

/* Block Row */
.block-row {
    background: var(--bg-card);
    border: 2px solid var(--border-strong);
    margin-bottom: 1rem;
}

.block-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.block-name {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
}

.block-type {
    font-size: 0.55rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.block-whw {
    display: flex;
    gap: 1.5rem;
    font-size: 0.6rem;
}

.block-whw span {
    display: flex;
    gap: 0.3rem;
}

.block-whw .label {
    font-weight: 700;
}

.block-whw .what .label { color: #3b82f6; }
.block-whw .how .label { color: #22c55e; }
.block-whw .why .label { color: var(--accent); }

/* Variants Grid */
.variants-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border);
}

.variant {
    padding: 1rem;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.variant:last-child {
    border-right: none;
}

.variant-label {
    font-size: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim);
}

.variant-preview {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==================== */
/* SCHEMA GENERATOR     */
/* ==================== */

.l-generator,
.generator-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.c-panel,
.panel {
    background: var(--bg-card);
    border: 2px solid var(--border-strong);
}

.panel-header {
    padding: 0.75rem 1rem;
    border-bottom: 2px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: var(--bg);
    flex-wrap: wrap;
}

.panel-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-title::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent);
}

.panel-controls {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.panel-content {
    padding: 1rem;
    position: relative;
}

/* Editor with line numbers */
.editor-container {
    display: flex;
    position: relative;
    border: 1px solid var(--border);
    background: var(--bg);
}

.line-numbers {
    width: 3rem;
    padding: 1rem 0.5rem;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-dim);
    text-align: right;
    user-select: none;
    overflow: hidden;
    white-space: pre;
}

textarea.text-input {
    flex: 1;
    height: 350px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    padding: 1rem;
    border: none;
    background: transparent;
    color: var(--text);
    resize: none;
    line-height: 1.6;
    outline: none;
}

.btn-row {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* View tabs */
.tab-btn {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--border);
    border-right: none;
    background: var(--bg);
    font-size: 0.6rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
}

.tab-btn:last-child {
    border-right: 1px solid var(--border);
}

.c-tab-btn.is-active,
.tab-btn.active {
    background: var(--border-strong);
    color: var(--text-on-strong);
    border-color: var(--border-strong);
}

/* Style selector */
.style-selector {
    display: flex;
    gap: 0;
}

.style-btn {
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--border);
    border-right: none;
    background: var(--bg);
    font-size: 0.6rem;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
}

.style-btn:last-child {
    border-right: 1px solid var(--border);
}

.c-style-btn.is-active,
.style-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Camera controls */
.camera-controls {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.camera-controls-label {
    font-size: 0.55rem;
    text-transform: uppercase;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

.camera-group {
    display: flex;
    gap: 0;
}

.camera-btn {
    padding: 0.3rem 0.5rem;
    border: 1px solid var(--border);
    border-right: none;
    background: var(--bg);
    font-size: 0.55rem;
    cursor: pointer;
    text-transform: uppercase;
    color: var(--text-dim);
}

.camera-btn:last-child {
    border-right: 1px solid var(--border);
}

.c-camera-btn.is-active,
.camera-btn.active {
    background: var(--border-strong);
    color: var(--text-on-strong);
    border-color: var(--border-strong);
}

/* Canvas wrapper */
.canvas-wrapper {
    position: relative;
    min-height: 450px;
    background: var(--bg);
    border: 1px solid var(--border);
    overflow: hidden;
    cursor: grab;
}

.canvas-wrapper:active {
    cursor: grabbing;
}

/* Schema canvas (2D) */
.schema-canvas {
    width: 100%;
    height: 100%;
    min-height: 450px;
    display: block;
}

.schema-svg {
    width: 100%;
    height: 100%;
    min-height: 450px;
    transition: transform 0.1s ease-out;
    transform-origin: center center;
}

/* Three.js wrapper (3D) */
.three-wrapper {
    width: 100%;
    height: 450px;
    display: none;
}

.three-wrapper canvas {
    width: 100% !important;
    height: 100% !important;
}

/* Status bar */
.status-bar {
    display: flex;
    gap: 1rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    font-size: 0.65rem;
    color: var(--text-dim);
}

.status-item {
    display: flex;
    gap: 0.3rem;
}

.status-value {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text);
}

/* Zoom controls */
.zoom-controls {
    display: flex;
    gap: 0.25rem;
    align-items: center;
    margin-left: auto;
}

.zoom-btn {
    width: 1.5rem;
    height: 1.5rem;
    border: 1px solid var(--border);
    background: var(--bg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}

.zoom-btn:hover {
    background: var(--border);
}

/* Examples panel */
.examples-panel {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
}

.examples-panel h4 {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
    color: var(--text-dim);
}

.example-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.example-chip {
    padding: 0.35rem 0.7rem;
    background: var(--border);
    border: none;
    font-size: 0.65rem;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    transition: all 0.15s;
}

.example-chip:hover {
    background: var(--accent);
    color: white;
}

/* Syntax help */
.syntax-help {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.7rem;
}

.syntax-help h4 {
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    color: var(--text-dim);
}

.syntax-help code {
    display: block;
    padding: 0.5rem;
    background: var(--bg-card);
    margin: 0.25rem 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    border-left: 2px solid var(--accent);
}

/* JSON output toggle */
.c-json-output,
.json-output {
    margin-top: 1rem;
    display: none;
}

.c-json-output.is-visible,
.json-output.visible {
    display: block;
}

.json-output pre {
    background: var(--bg);
    padding: 1rem;
    font-size: 0.7rem;
    max-height: 200px;
    overflow: auto;
    border: 1px solid var(--border);
}

/* Error display */
.c-error-msg,
.error-msg {
    padding: 1rem;
    background: #fef2f2;
    border: 1px solid var(--danger);
    color: var(--danger);
    font-size: 0.75rem;
    margin-top: 1rem;
    display: none;
}

[data-theme="dark"] .error-msg {
    background: #450a0a;
}

.c-error-msg.is-visible,
.error-msg.visible {
    display: block;
}

/* Dark theme canvas */
[data-theme="dark"] .canvas-wrapper {
    background: #0a0a12;
}

/* Component Info Card */
.c-info-card,
.component-info-card {
    position: absolute;
    z-index: 100;
    background: var(--bg-card);
    border: 2px solid var(--border-strong);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    min-width: 220px;
    max-width: 320px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
    pointer-events: none;
}

.c-info-card.is-visible,
.component-info-card.is-visible,
.component-info-card.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.info-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.75rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.info-card-type {
    padding: 0.2rem 0.5rem;
    font-size: 0.55rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--accent);
    color: white;
    border-radius: 2px;
}

.info-card-type[data-type="sensor"] { background: #3b82f6; }
.info-card-type[data-type="logic"] { background: #22c55e; }
.info-card-type[data-type="actuator"] { background: #f97316; }
.info-card-type[data-type="component"] { background: #8b5cf6; }

.info-card-name {
    flex: 1;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.info-card-close {
    width: 20px;
    height: 20px;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--text-dim);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s;
}

.info-card-close:hover {
    color: var(--accent);
}

.info-card-body {
    padding: 0.75rem;
}

.info-card-value {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px dashed var(--border);
}

.info-card-value:empty,
.info-card-value:has(.value-number:empty) {
    display: none;
}

.info-card-value .value-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
}

.info-card-value .value-unit {
    font-size: 0.9rem;
    color: var(--text-dim);
}

.info-card-table {
    width: 100%;
    font-size: 0.7rem;
    border-collapse: collapse;
}

.info-card-table tr td {
    padding: 0.3rem 0;
    vertical-align: top;
}

.info-card-table tr td:first-child {
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.6rem;
    width: 60px;
}

.info-card-table tr td:last-child {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text);
}

.info-card-ports {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--border);
}

.info-card-ports:empty {
    display: none;
}

.port-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.4rem;
    font-size: 0.55rem;
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 2px;
}

.port-badge .port-dir {
    color: var(--accent);
    font-weight: 700;
}

/* Component hover/selected states in 2D */
.schema-svg .component {
    cursor: pointer;
    transition: opacity 0.15s;
}

.schema-svg .component:hover {
    opacity: 0.85;
}

.schema-svg .component.is-selected rect,
.schema-svg .component.is-selected path,
.schema-svg .component.selected rect,
.schema-svg .component.selected path {
    stroke-width: 3;
    stroke: var(--accent);
}

/* Dark theme adjustments */
[data-theme="dark"] .component-info-card {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

@media (max-width: 1000px) {
    .generator-container {
        grid-template-columns: 1fr;
    }
    .panel-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .panel-controls {
        width: 100%;
    }
}