/* --- Components Grid --- */
.components-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    padding-bottom: 60px;
}

.card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--card-shadow);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-red), var(--accent-blue));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--border-hover);
    background-color: var(--bg-panel);
}

.card:hover::before {
    opacity: 1;
}

/* Card thumbnail image */
.card-thumb {
    height: 80px;
    margin: -24px -24px 12px -24px;
    width: calc(100% + 48px);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-thumb img {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
}

/* Hide thumbnails in list view */
.components-grid.list-view .card-thumb {
    display: none;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.card-pid {
    font-size: 13px;
    font-family: monospace;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 8px;
    border-radius: 4px;
}

.btn-quick-add {
    background: transparent;
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 16px;
    box-shadow: 0 2px 4px rgba(34, 211, 238, 0.1);
}

.btn-quick-add:hover {
    background: var(--accent-red);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(34, 211, 238, 0.3);
}

.card-title {
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
}

.card-mfg {
    font-size: 15px;
    color: var(--accent-red);
    /* Swapped from cyan */
    font-weight: 600;
    margin-bottom: 12px;
}

.card-desc {
    font-size: 16px;
    color: var(--text-muted);
    flex: 1;
    margin-bottom: 16px;
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    font-size: 13px;
    padding: 4px 10px;
    border-radius: 12px;
    background-color: var(--bg-dark);
    /* Using the off-white instead of transparent white */
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    box-shadow: var(--inset-shadow);
}

/* --- Detail Modal --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(15, 23, 42, 0.4);
    /* Slate dark transparent instead of solid black */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.glass-panel {
    background: var(--bg-panel);
    /* Removed pure glass for readability */
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    position: relative;
    transform: scale(1);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.hidden .glass-panel {
    transform: scale(0.95);
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 21px;
    cursor: pointer;
    transition: all 0.2s;
    z-index: 2;
    box-shadow: var(--card-shadow);
}

.modal-close:hover {
    background: var(--border-hover);
    transform: rotate(90deg);
}

.modal-header {
    padding: 32px 40px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 24px;
    background: linear-gradient(to right, var(--bg-dark), transparent);
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
}

.modal-image-placeholder {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 55px;
    color: var(--text-faint);
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

/* If Image is loaded */
.modal-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.modal-title-area {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto 1fr;
    gap: 8px 16px;
    align-content: start;
}

.modal-title-area h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    grid-column: 1 / -1;
}

.modal-info-slot {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 8px;
}

.modal-info-slot .slot-label {
    font-size: 10px;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.modal-info-slot .slot-value {
    font-size: 14px;
    color: var(--text-main);
    word-break: break-word;
    /* Prevents long descriptions/PIDs from overflowing */
}

.modal-manufacturer {
    color: var(--accent-red);
    font-weight: 600;
}

.modal-pid {
    font-family: monospace;
    font-size: 13px;
    background: rgba(0, 0, 0, 0.05);
    padding: 2px 6px;
    border-radius: 4px;
    align-self: flex-start;
}

.modal-desc {
    line-height: 1.5;
    color: var(--text-muted);
    margin: 0;
    margin-bottom: 16px;
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    grid-column: 1 / -1;
}

.modal-body-scroll {
    padding: 32px 40px;
    overflow-y: auto;
    flex: 1;
}

.modal-body-scroll h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tooltip-icon {
    font-size: 16px;
    color: var(--text-muted);
    cursor: help;
    transition: color 0.2s ease;
}

.tooltip-icon:hover {
    color: var(--accent-blue);
}

.modal-body-scroll h3::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 16px;
    background: var(--accent-red);
    border-radius: 2px;
}

.specs-grid,
.compat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.slot-empty-text {
    font-size: 14px;
    color: var(--text-faint);
    font-style: italic;
    font-family: monospace;
}

.spec-item {
    background: rgba(0, 0, 0, 0.03);
    /* Dark inset for light theme */
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    box-shadow: var(--inset-shadow);
}

.spec-label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    display: block;
}

.spec-value {
    font-size: 16px;
    font-weight: 500;
    word-break: break-all;
}

.spec-value.bool-true {
    color: #10b981;
}

.spec-value.bool-false {
    color: #ef4444;
}

.notes-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.note-item {
    background: rgba(34, 211, 238, 0.03);
    /* Very faint red tint */
    border-left: 3px solid var(--accent-red);
    padding: 12px 16px;
    font-size: 15px;
    color: var(--text-muted);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.note-item strong {
    color: var(--text-main);
    display: block;
    margin-bottom: 4px;
    font-family: monospace;
}

.modal-footer {
    padding: 24px 40px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-dark);
    border-bottom-left-radius: var(--radius-lg);
    border-bottom-right-radius: var(--radius-lg);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Similar Options Grid */
.similar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.similar-card {
    transition: all 0.2s ease;
}

.similar-card:hover {
    background: var(--bg-panel-hover) !important;
    border-color: var(--border-hover) !important;
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
}

/* Compatibility Badges on Tile */
.card-compat-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.compat-badge {
    font-size: 13px;
    background: rgba(34, 211, 238, 0.08);
    color: var(--accent-red);
    border: 1px solid rgba(34, 211, 238, 0.2);
    padding: 3px 8px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* Responsiveness */
@media (max-width: 900px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        /* Let the second @media block handle off-canvas */
    }

    .topbar {
        padding: 20px 24px;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .search-bar {
        width: 100%;
    }

    .content-body {
        padding: 24px;
    }

    .modal-header {
        flex-direction: column;
    }

    .modal-image-placeholder {
        width: 100%;
        height: 200px;
    }

    .build-drawer {
        width: 100%;
        max-width: none;
    }
}

/* --- Build Configurator Elements --- */

/* Floating Action Button */
.build-fab {
    position: fixed;
    bottom: 32px;
    right: 32px;
    background: linear-gradient(135deg, var(--accent-red), var(--accent-darkred));
    color: white;
    border: none;
    border-radius: 30px;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-family);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(34, 211, 238, 0.4);
    /* Red glow shadow */
    z-index: 50;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.build-fab:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 15px 35px rgba(34, 211, 238, 0.6);
}

.build-fab i {
    font-size: 28px;
}

.build-badge {
    background: white;
    color: var(--accent-red);
    font-size: 16px;
    font-weight: 800;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    /* Inner shadow for tactile feel */
}

/* Build Drawer UI */
.build-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 100;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.build-drawer-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.build-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: 450px;
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height — accounts for mobile browser chrome */
    background: var(--bg-panel);
    border-left: 1px solid var(--border-color);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
    z-index: 101;
    display: flex;
    flex-direction: column;
    transform: translateX(0);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.build-drawer.closed {
    transform: translateX(100%);
}

.drawer-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to right, rgba(34, 211, 238, 0.05), transparent);
}

.drawer-header h2 {
    font-size: 23px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.drawer-close {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--card-shadow);
}

.drawer-close:hover {
    background: var(--border-hover);
    color: var(--text-main);
    transform: rotate(90deg);
}

.drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Slots */
.build-slot {
    border: 1px dashed var(--border-hover);
    border-radius: var(--radius-md);
    padding: 16px;
    position: relative;
    background: var(--bg-dark);
    /* Using dark bg for inset contrast */
    transition: all 0.2s;
    box-shadow: var(--inset-shadow);
}

.build-slot.filled {
    border-style: solid;
    border-color: var(--accent-red);
    background: linear-gradient(180deg, rgba(34, 211, 238, 0.03), transparent);
    box-shadow: none;
    /* Pop it out when filled */
}

.slot-label {
    font-size: 14px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    display: block;
}

.slot-empty-text {
    font-size: 16px;
    color: var(--text-faint);
    font-style: italic;
}

.slot-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slot-details h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
}

.slot-metrics {
    display: flex;
    gap: 12px;
    font-size: 15px;
    color: var(--text-muted);
}

.slot-metrics span {
    background: rgba(0, 0, 0, 0.05);
    /* Inset contrast */
    padding: 2px 6px;
    border-radius: 4px;
}

.slot-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 23px;
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
}

.slot-remove:hover {
    color: #ef4444;
}

/* Drawer Footer */
.drawer-footer {
    padding: 24px 32px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-dark);
}

.build-totals {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    color: var(--text-muted);
}

.total-row.highlight {
    font-size: 21px;
    font-weight: 700;
    color: var(--text-main);
    border-top: 1px dashed var(--border-color);
    padding-top: 12px;
    margin-top: 4px;
}

.total-value {
    font-family: monospace;
    font-size: 18px;
}

.highlight .total-value {
    font-size: 23px;
    color: var(--accent-red);
    /* Swapped from cyan */
}

/* --- Build Warnings --- */
.build-warnings-container {
    padding: 0 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.build-warning {
    display: flex;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    background: #fef08a;
    /* Soft pleasant yellow background */
    border-left: 3px solid #eab308;
    color: var(--text-main);
    align-items: flex-start;
    box-shadow: var(--inset-shadow);
}

.build-warning.error {
    background: #fecaca;
    /* Gentle red error background */
    border-left-color: var(--accent-red);
}

.build-warning i {
    font-size: 21px;
    color: #b45309;
    /* Darker amber icon for contrast against yellow bg */
    margin-top: 2px;
}

.build-warning.error i {
    color: #ef4444;
}

.build-warning-content strong {
    display: block;
    margin-bottom: 2px;
    color: #000;
    /* High contrast black for titles */
}

.main-content::before {
    content: '';
    position: fixed;
    bottom: -60vw;
    right: -60vw;
    width: 150vw;
    height: 150vw;
    /* Wide, single-drop wave effect */
    background: repeating-radial-gradient(circle at 60% 40%,
            transparent 0,
            transparent 250px,
            rgba(34, 211, 238, 0.04) 250px,
            rgba(34, 211, 238, 0.04) 450px,
            transparent 450px,
            transparent 700px,
            rgba(2, 132, 199, 0.03) 700px,
            rgba(2, 132, 199, 0.03) 900px);
    filter: blur(25px);
    z-index: 0;
    pointer-events: none;
    border-radius: 50%;
}

/* Filter Chips */
.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    min-height: 0;
}

.filter-chips:empty {
    display: none;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 8px 3px 10px;
    background: rgba(34, 211, 238, 0.06);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-red);
    user-select: none;
}

.chip-label {
    line-height: 1;
}

.chip-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border: none;
    background: rgba(34, 211, 238, 0.15);
    border-radius: 50%;
    color: var(--accent-red);
    font-size: 9px;
    cursor: pointer;
    padding: 0;
    transition: background-color 0.15s ease;
}

.chip-remove:hover {
    background: rgba(34, 211, 238, 0.35);
}

/* Empty filter state */
.empty-filter-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 60px 20px;
    color: var(--text-faint);
}

.empty-filter-state i {
    font-size: 48px;
    color: var(--text-faint);
    opacity: 0.5;
}

.empty-filter-state p {
    font-size: 14px;
    text-align: center;
    max-width: 320px;
    line-height: 1.6;
}

/* ============================================================
   BUILD DRAWER EMPTY STATE HINT
   ============================================================ */

.build-empty-hint {
    text-align: center;
    padding: 28px 20px;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.build-empty-hint strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.build-empty-hint p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-muted);
    margin: 0;
}

/* ============================================================
   WIZARD COMPLETION BANNER
   ============================================================ */

.wizard-complete-banner {
    padding: 14px 20px;
    background: rgba(22, 163, 74, 0.08);
    border-bottom: 1px solid rgba(22, 163, 74, 0.25);
    animation: slideDown 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.wizard-complete-banner.hidden {
    display: none;
}

.wizard-complete-inner {
    display: flex;
    align-items: center;
    gap: 14px;
}

.wizard-complete-inner strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: #15803d;
    margin-bottom: 2px;
}

[data-theme="dark"] .wizard-complete-inner strong {
    color: #4ade80;
}

.wizard-complete-inner p {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   IN BUILD CARD STATE
   ============================================================ */

/* Card ring when this component is the active build selection */
.card--in-build {
    border-color: var(--accent-red) !important;
    box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.18), var(--card-shadow) !important;
}

.card--in-build::before {
    opacity: 1 !important;
}

/* Green "✓ In Build" pill badge */
.card-in-build-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 700;
    color: #15803d;
    background: rgba(22, 163, 74, 0.1);
    border: 1px solid rgba(22, 163, 74, 0.25);
    padding: 2px 8px;
    border-radius: 10px;
    white-space: nowrap;
}

.card-in-build-badge i {
    font-size: 13px;
    color: #16a34a;
}

[data-theme="dark"] .card-in-build-badge {
    color: #86efac;
    background: rgba(22, 163, 74, 0.15);
    border-color: rgba(22, 163, 74, 0.3);
}

[data-theme="dark"] .card-in-build-badge i {
    color: #4ade80;
}

/* Weight tag in card header */
.weight-tag {
    background: rgba(59, 130, 246, 0.1) !important;
    color: var(--accent-blue) !important;
    border-color: rgba(59, 130, 246, 0.2) !important;
}

/* Price badge */
.card-price {
    font-size: 12px;
    font-weight: 700;
    color: #16a34a;
    background: rgba(22, 163, 74, 0.08);
    border: 1px solid rgba(22, 163, 74, 0.2);
    padding: 3px 8px;
    border-radius: 10px;
}

/* list-name-col: in grid view, acts as a transparent passthrough */
.list-name-col {
    display: contents;
    /* children participate in parent flex/block flow normally */
}

/* ============================================================
   VIEW TOGGLE (Grid / List)
   ============================================================ */

.view-toggle {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 3px;
    box-shadow: var(--inset-shadow);
}

/* When clear-btn is also visible, don't double-push with auto margin */
.filter-clear-btn~.view-toggle,
.view-toggle {
    margin-left: auto;
}

.filter-clear-btn:not(.hidden)~.view-toggle {
    margin-left: 0;
}

.view-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 5px;
    background: transparent;
    color: var(--text-faint);
    font-size: 17px;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.view-toggle-btn:hover {
    color: var(--text-main);
    background: rgba(0, 0, 0, 0.04);
}

.view-toggle-btn.active {
    background: var(--bg-panel);
    color: var(--accent-red);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* ============================================================
   SLIDE TOGGLE SWITCH
   ============================================================ */
.theme-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.theme-switch .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-surface);
    transition: .4s;
    border: 1px solid var(--border-color);
}

.theme-switch .slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-main);
    transition: .4s;
}

.theme-switch input:checked+.slider {
    background-color: var(--accent-red);
    border-color: var(--accent-red);
}

.theme-switch input:checked+.slider:before {
    transform: translateX(20px);
    background-color: #fff;
}

.theme-switch .slider.round {
    border-radius: 24px;
}

.theme-switch .slider.round:before {
    border-radius: 50%;
}

/* ============================================================
   ALPHABET DIVIDER & TIGHTER SCHEMA LIST
   ============================================================ */
.alphabet-divider {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-faint);
    margin-top: 24px;
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 2px solid var(--border-color);
    text-transform: uppercase;
}

details.schema-category-card {
    margin-bottom: 4px !important;
}

details.schema-category-card summary {
    padding: 10px 16px !important;
}

/* ============================================================
   CODEMIRROR OVERRIDES
   ============================================================ */
.CodeMirror {
    height: 33vh;
    width: 100%;
    max-width: 100%;
    margin-bottom: 24px;
    font-family: monospace;
    font-size: 14px;
    border-radius: var(--radius-md);
    background: #0f172a !important;
    /* dark blueish slate */
    border: 1px solid rgba(59, 130, 246, 0.5) !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    resize: vertical;
    /* <-- Enable manual vertical scaling */
    overflow-y: auto;
    /* <-- Required for resize handle to show/work */
}

.CodeMirror-gutters {
    background: #0f172a !important;
    border-right: 1px solid rgba(59, 130, 246, 0.2) !important;
}

/* ============================================================
   LIST VIEW — components-grid.list-view overrides
   ============================================================ */

.components-grid.list-view {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* List view card becomes a horizontal row */
.components-grid.list-view .card {
    flex-direction: row;
    align-items: center;
    padding: 14px 20px;
    gap: 16px;
    min-height: unset;
    transform: none !important;
}

/* Disable the top gradient bar lift on hover in list mode (use left bar instead) */
.components-grid.list-view .card::before {
    width: 4px;
    height: 100%;
    top: 0;
    left: 0;
}

.components-grid.list-view .card:hover {
    transform: translateX(2px) !important;
}

/* Left column: PID + weight */
.components-grid.list-view .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    margin-bottom: 0;
    min-width: 90px;
    flex-shrink: 0;
}

/* Middle column: mfg + title */
.components-grid.list-view .card-mfg {
    font-size: 11px;
    margin-bottom: 2px;
    white-space: nowrap;
}

.components-grid.list-view .card-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 260px;
}

/* Name+mfg wrapper — becomes a real column in list view */
.components-grid.list-view .list-name-col {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

/* Description — single line, truncated */
.components-grid.list-view .card-desc {
    font-size: 13px;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    margin-bottom: 0;
    flex: 2;
    min-width: 0;
}

/* Tags — fewer, no wrap */
.components-grid.list-view .card-tags {
    flex-wrap: nowrap;
    overflow: hidden;
    gap: 4px;
    flex-shrink: 0;
}

.components-grid.list-view .card-tags .tag {
    font-size: 11px;
    padding: 2px 7px;
    white-space: nowrap;
}

/* Compat badges — hide in list view to save space */
.components-grid.list-view .card-compat-badges {
    display: none;
}

/* ============================================================
   BUILD ACTION BUTTONS (Save / Load / Clear row)
   ============================================================ */

.build-action-buttons {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.build-action-buttons .btn {
    font-size: 13px;
    padding: 9px 12px;
}

/* ============================================================
   SAVE / LOAD BUILD MODALS
   ============================================================ */

.save-modal-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(to right, rgba(34, 211, 238, 0.04), transparent);
}

.save-modal-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 2px;
}

.save-modal-header p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}

.save-modal-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--accent-red);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
    box-shadow: var(--card-shadow);
}

.save-modal-body {
    padding: 20px 28px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.build-name-input {
    width: 100%;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: inherit;
    font-size: 14px;
    padding: 10px 14px;
    box-shadow: var(--inset-shadow);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.build-name-input:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12), var(--inset-shadow);
}

.build-name-input.input-error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
    animation: shake 0.3s ease;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-4px);
    }

    75% {
        transform: translateX(4px);
    }
}

.save-build-summary {
    margin-top: 12px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    max-height: 160px;
    overflow-y: auto;
    box-shadow: var(--inset-shadow);
}

.save-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 12px;
}

.save-summary-row:last-child {
    border-bottom: none;
}

.save-summary-cat {
    color: var(--text-faint);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.05em;
    min-width: 110px;
}

.save-summary-name {
    color: var(--text-main);
    font-weight: 500;
    text-align: right;
}

.save-modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 16px 28px;
    border-top: 1px solid var(--border-color);
}

/* Saved builds list */
.saved-builds-list {
    padding: 12px;
    max-height: 420px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.saved-builds-empty,
.saved-builds-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 40px 20px;
    color: var(--text-faint);
    font-size: 14px;
    text-align: center;
}

.saved-builds-empty i,
.saved-builds-loading i {
    font-size: 36px;
    opacity: 0.4;
}

.saved-build-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--card-shadow);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.saved-build-item:hover {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.08);
}

.saved-build-info {
    flex: 1;
    min-width: 0;
}

.saved-build-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.saved-build-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 3px;
}

.saved-build-desc {
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 3px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.saved-build-slots {
    font-size: 11px;
    color: var(--text-faint);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.saved-build-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.btn-sm {
    padding: 6px 12px !important;
    font-size: 12px !important;
}

/* ============================================================
   TOAST NOTIFICATION
   ============================================================ */

#app-toast {
    position: fixed;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 9999;
    white-space: nowrap;
    max-width: 90vw;
}

#app-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

#app-toast.app-toast--success {
    background: #dcfce7;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

#app-toast.app-toast--error {
    background: #fee2e2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

#app-toast.app-toast--warning {
    background: #fef9c3;
    color: #a16207;
    border: 1px solid #fef08a;
}

#app-toast.app-toast--info {
    background: #e0f2fe;
    color: #0369a1;
    border: 1px solid #bae6fd;
}

#app-toast i {
    font-size: 18px;
    flex-shrink: 0;
}

/* Dark mode toast variants — darker palette */
[data-theme="dark"] #app-toast.app-toast--success {
    background: #14532d;
    color: #86efac;
    border-color: #166534;
}

[data-theme="dark"] #app-toast.app-toast--error {
    background: #450a0a;
    color: #fca5a5;
    border-color: #7f1d1d;
}

[data-theme="dark"] #app-toast.app-toast--warning {
    background: #422006;
    color: #fcd34d;
    border-color: #78350f;
}

[data-theme="dark"] #app-toast.app-toast--info {
    background: #0c2344;
    color: #7dd3fc;
    border-color: #1e3a5f;
}

/* ============================================================
   DARK MODE TOGGLE BUTTON
   ============================================================ */

.dark-mode-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-panel);
    color: var(--text-muted);
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    flex-shrink: 0;
}

.dark-mode-toggle:hover {
    background: var(--bg-panel-hover);
    color: var(--text-main);
    border-color: var(--border-hover);
}

.dark-mode-toggle i {
    font-size: 18px;
    pointer-events: none;
}

/* ============================================================
   KEYBOARD SHORTCUTS OVERLAY
   ============================================================ */

.shortcuts-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9000;
}

.shortcuts-overlay.hidden {
    display: none;
}

.shortcuts-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow-hover);
    width: 420px;
    max-width: 94vw;
    overflow: hidden;
}

.shortcuts-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px 14px;
    border-bottom: 1px solid var(--border-color);
}

.shortcuts-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.shortcuts-title i {
    font-size: 18px;
    color: var(--accent-red);
}

.shortcuts-close-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    transition: color 0.15s, background 0.15s;
}

.shortcuts-close-btn:hover {
    color: var(--text-main);
    background: var(--bg-panel-hover);
}

.shortcuts-close-btn i {
    font-size: 18px;
}

.shortcuts-body {
    padding: 10px 22px;
}

.shortcut-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 0;
    border-bottom: 1px solid var(--border-color);
    gap: 12px;
}

.shortcut-row:last-child {
    border-bottom: none;
}

.shortcut-keys {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.kbd-key {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-panel-hover);
    border: 1px solid var(--border-hover);
    border-bottom-width: 2px;
    border-radius: 5px;
    padding: 2px 8px;
    font-size: 12px;
    font-family: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
    font-weight: 600;
    color: var(--text-main);
    min-width: 28px;
    text-align: center;
    white-space: nowrap;
}

.kbd-or {
    font-size: 11px;
    color: var(--text-faint);
    font-style: italic;
}

.shortcut-desc {
    font-size: 13px;
    color: var(--text-muted);
    text-align: right;
}

.shortcuts-footer {
    padding: 12px 22px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-faint);
    text-align: center;
    background: var(--bg-panel-hover);
}

/* ============================================================
   SHARED SIDEBAR COMPONENTS (all pages)
   ============================================================ */

/* .sidebar-meta and .sidebar-meta-version removed — legacy selectors from temp_template.html */

.lang-toggle {
    display: flex;
    gap: 4px;
    background: rgba(0, 0, 0, 0.05);
    padding: 2px;
    border-radius: 4px;
}

[data-theme="dark"] .lang-toggle {
    background: rgba(255, 255, 255, 0.06);
}

.lang-btn {
    padding: 2px 8px;
    font-size: 10px;
    font-weight: 700;
    font-family: inherit;
    border: none;
    background: transparent;
    color: var(--text-muted);
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.lang-btn.active-lang {
    background: var(--bg-panel);
    color: var(--accent-red);
    box-shadow: var(--card-shadow);
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.sidebar-hint {
    padding: 16px 4px 0;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.6;
}

/* ============================================================
   TEMPLATE PAGE
   ============================================================ */

.template-workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.visual-editor-container {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-right: 8px;
    padding-bottom: 40px;
}

/* Code / JSON textarea — shared between template raw view & drone relations */
.code-editor {
    flex: 1;
    width: 100%;
    background: var(--bg-dark);
    color: #a5b4fc;
    font-family: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
    font-size: 13px;
    line-height: 1.6;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    outline: none;
    resize: vertical;
    transition: border-color 0.15s;
}

.code-editor:focus {
    border-color: var(--accent-blue);
}

[data-theme="dark"] .code-editor {
    background: #0a0a0f;
    border-color: var(--border-color);
}

/* ============================================================
   EDITOR PAGE — workspace, item list, forms
   ============================================================ */

.editor-workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

.editor-workspace-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 28px 16px;
    flex-shrink: 0;
}

.editor-workspace-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
}

/* Two-column split layout */
.editor-split {
    flex: 1;
    display: flex;
    min-height: 0;
    gap: 0;
    border-top: 1px solid var(--border-color);
}

/* Left column: item list */
.editor-split-list {
    width: 340px;
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    padding: 16px 12px;
    background: var(--bg-panel);
}

/* Right column: form panels */
.editor-split-form {
    flex: 1;
    overflow-y: auto;
    padding: 24px 28px 80px;
    min-width: 0;
}

/* Item rows in the list */
.editor-items-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 0;
}

.item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-panel);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, transform 0.15s;
}

.item-row:hover {
    background: var(--bg-panel-hover);
    border-color: var(--accent-blue);
    transform: translateX(2px);
}

/* Editor form panels — inside split layout, override glass-panel modal sizing */
.editor-split-form .glass-panel.editor-panel {
    width: 100%;
    max-width: none;
    max-height: none;
    border-radius: var(--radius-md);
    position: static;
    transform: none;
    transition: none;
}

.editor-panel {
    padding: 32px;
    margin-bottom: 24px;
}

.editor-panel-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

/* 2-col grid form */
.editor-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group--full {
    grid-column: 1 / -1;
}

.form-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-input {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    outline: none;
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.12);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

/* Section dividers inside the form */
.form-section {
    grid-column: 1 / -1;
    margin-top: 8px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.form-section-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-section-title i {
    color: var(--accent-red);
    font-size: 16px;
}

.form-section-hint {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 14px;
    line-height: 1.5;
}

/* Collapsible form sections using <details> */
details.form-collapsible {
    grid-column: 1 / -1;
}

details.form-collapsible>summary.form-section-title {
    cursor: pointer;
    list-style: none;
    /* hide default triangle */
    user-select: none;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 12px;
    margin-bottom: 0;
}

details.form-collapsible>summary.form-section-title::before {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 7px solid var(--text-muted);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

details.form-collapsible[open]>summary.form-section-title::before {
    transform: rotate(90deg);
    border-left-color: var(--accent-red);
}

details.form-collapsible[open]>summary.form-section-title {
    color: var(--text-main);
}

details.form-collapsible>summary::-webkit-details-marker {
    display: none;
}

.compat-grid {
    border: 1px dashed var(--border-hover);
    padding: 16px;
    border-radius: var(--radius-sm);
}

/* Form action bar */
.form-actions {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    margin-top: 8px;
    border-top: 1px solid var(--border-color);
    gap: 12px;
}

.form-actions-right {
    display: flex;
    gap: 10px;
}

/* Danger button */
.btn-danger {
    background: transparent;
    border: 1px solid rgba(220, 38, 38, 0.35);
    color: #dc2626;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.15s, border-color 0.15s;
}

.btn-danger:hover {
    background: rgba(220, 38, 38, 0.08);
    border-color: rgba(220, 38, 38, 0.6);
}

/* Inline code snippet */
.inline-code {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1px 6px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 12px;
    color: var(--accent-blue);
    word-break: break-all;
}

/* Master Attributes Visual Editor specific */
.inline-action-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    opacity: 0;
    /* Show on hover in parent */
}

.prop-card:hover .inline-action-btn,
.schema-group:hover>h4 .inline-action-btn,
.schema-category-card:hover>summary .inline-action-btn {
    opacity: 1;
}

.inline-action-btn:hover {
    background: var(--bg-panel-hover);
    color: var(--text-main);
}

.inline-action-btn.delete-action:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.add-btn {
    background: rgba(255, 255, 255, 0.05);
    /* very faint */
    border: 1px dashed var(--border-color);
    color: var(--text-muted);
    font-size: 13px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-weight: 600;
    width: 100%;
    padding: 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.add-btn:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
    background: rgba(34, 211, 238, 0.05);
}

/* ============================================================
   SAVE ANIMATION
   ============================================================ */
@keyframes flash-success {
    0% {
        background-color: var(--accent-purple);
        border-color: transparent;
    }

    20% {
        background-color: #10b981;
        border-color: #059669;
        box-shadow: 0 0 15px rgba(16, 185, 129, 0.6);
    }

    /* Emerald Green */
    100% {
        background-color: var(--accent-purple);
        border-color: transparent;
    }
}

.save-success-flash {
    animation: flash-success 1.5s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
}

/* ============================================================
   RESPONSIVE DESIGN (Media Queries)
   ============================================================ */
@media (max-width: 900px) {

    /* Sidebar becomes an off-canvas slide menu */
    .sidebar {
        position: fixed;
        left: -100%;
        /* Hidden off-screen by default */
        top: 0;
        height: 100vh;
        width: 300px;
        /* Slightly narrower on mobile */
        z-index: 1000;
        transition: left 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        box-shadow: 5px 0 15px rgba(0, 0, 0, 0.3);
    }

    .sidebar.open {
        left: 0;
    }

    /* Sidebar Overlay Backdrop */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: rgba(15, 23, 42, 0.4);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
        z-index: 999;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .sidebar-overlay.active {
        display: block;
        opacity: 1;
        pointer-events: auto;
    }

    /* Display Hamburger toggle in Topbar */
    .mobile-nav-toggle {
        display: inline-flex !important;
        padding-right: 8px;
        /* buffer from title */
    }

    /* Topbar flexible wrapping */
    .topbar {
        padding: 20px 24px;
        flex-wrap: wrap;
        /* The container inner div already has flex-direction row */
    }

    .topbar>div:first-child {
        flex-wrap: wrap;
        gap: 16px;
    }

    .page-title {
        font-size: 24px;
        /* Title shrinks a bit */
    }

    /* Force Search Bar down to its own full-width row */
    .search-bar {
        width: 100%;
        order: 3;
        margin-top: 8px;
        /* space between it and the toggles */
    }

    /* Make Content Padding smaller */
    .content-body {
        padding: 24px 20px;
    }

    /* Component Grid: Fallback minimum width reduction so it fits on tiny phones */
    .components-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 16px;
    }

    /* Modal adjustments */
    .glass-panel {
        width: 95%;
        padding: 24px;
    }

    .view-toggle-container {
        transform: scale(0.9);
    }

    .wizard-banner {
        padding: 10px 20px;
    }

    .wizard-banner-body {
        flex-wrap: wrap;
        gap: 10px;
    }
}

/* ============================================================
   WIZARD BANNER — persistent step guide above parts grid
   ============================================================ */

.wizard-banner {
    background: linear-gradient(to right, rgba(34, 211, 238, 0.06), rgba(34, 211, 238, 0.02));
    border-bottom: 2px solid rgba(34, 211, 238, 0.2);
    padding: 12px 48px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    animation: slideDown 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.wizard-banner.hidden {
    display: none;
}

/* Step progress — labeled chips row */
.wizard-banner-progress {
    display: flex;
    align-items: center;
    gap: 3px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 2px;
}

.wizard-banner-progress::-webkit-scrollbar {
    display: none;
}

.wizard-step-chip {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
    border: 1px solid var(--border-color);
    background: var(--bg-dark);
    color: var(--text-faint);
    transition: all 0.25s ease;
    flex-shrink: 0;
}

.wizard-step-chip .wsc-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--border-color);
    color: var(--text-faint);
    font-size: 10px;
    font-weight: 700;
    flex-shrink: 0;
}

.wizard-step-chip .wsc-label {
    font-weight: 600;
}

.wizard-step-chip .wsc-icon {
    font-size: 16px;
    flex-shrink: 0;
}

/* Current step — highlighted red */
.wizard-step-chip.current {
    background: rgba(34, 211, 238, 0.12);
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.wizard-step-chip.current .wsc-num {
    background: var(--accent-red);
    color: #fff;
}

/* Completed step — green check */
.wizard-step-chip.completed {
    background: rgba(34, 197, 94, 0.08);
    border-color: rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

.wizard-step-chip.completed .wsc-icon {
    color: #22c55e;
}

/* Skipped step — dimmed dashed */
.wizard-step-chip.skipped {
    opacity: 0.4;
    border-style: dashed;
}

/* Optional upcoming step — dashed border hint */
.wizard-step-chip.optional {
    border-style: dashed;
}

/* Banner body row */
.wizard-banner-body {
    display: flex;
    align-items: center;
    gap: 16px;
}

.wizard-banner-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.wizard-banner-step {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-red);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.wizard-banner-prompt {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-main);
}

.wizard-banner-selection {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #22c55e;
    font-weight: 600;
    white-space: nowrap;
}

.wizard-banner-selection:empty {
    display: none;
}

.wizard-banner-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* Sidebar locked state during wizard */
.sidebar-nav.wizard-locked .nav-item {
    pointer-events: none;
    opacity: 0.4;
}

.sidebar-nav.wizard-locked .nav-item.active {
    pointer-events: none;
    opacity: 1;
}

/* ============================================================
   WIZARD CLASS SELECTOR — Step 0 drone size picker
   ============================================================ */

.wizard-class-selector {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    padding: 40px 20px 60px;
}

.wizard-class-heading {
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    max-width: 520px;
}

.wizard-class-heading i {
    font-size: 40px;
    color: var(--accent-red);
    flex-shrink: 0;
}

.wizard-class-heading h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 4px;
}

.wizard-class-heading p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

.wizard-class-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    width: 100%;
    max-width: 640px;
}

.wizard-class-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 28px 16px;
    background: var(--bg-panel);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: var(--card-shadow);
    font-family: inherit;
    color: inherit;
}

.wizard-class-option:hover {
    border-color: var(--accent-red);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(34, 211, 238, 0.15);
}

.wizard-class-option:active {
    transform: translateY(-1px);
}

.wizard-class-option i {
    font-size: 36px;
    color: var(--accent-red);
}

.wizard-class-label {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    text-align: center;
}

.wizard-class-sub {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.wizard-class-option--muted {
    border-style: dashed;
    opacity: 0.7;
}

.wizard-class-option--muted:hover {
    opacity: 1;
}

@media (max-width: 600px) {
    .wizard-class-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================================
   WIZARD COMPATIBILITY SECTION DIVIDERS
   ============================================================ */

.wizard-section-divider {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    margin-top: 4px;
}

.wizard-section-divider i {
    font-size: 18px;
}

.wizard-section-divider--green {
    background: rgba(34, 197, 94, 0.08);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

[data-theme="dark"] .wizard-section-divider--green {
    color: #4ade80;
}

.wizard-section-divider--orange {
    background: rgba(234, 179, 8, 0.08);
    color: #a16207;
    border: 1px solid rgba(234, 179, 8, 0.2);
}

[data-theme="dark"] .wizard-section-divider--orange {
    color: #fbbf24;
}

/* ============================================================
   WIZARD HIDDEN PARTS TOGGLE
   ============================================================ */

.wizard-hidden-toggle {
    grid-column: 1 / -1;
    margin-top: 8px;
}

.wizard-hidden-toggle-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 16px;
    background: rgba(239, 68, 68, 0.05);
    border: 1px dashed rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.2s;
}

.wizard-hidden-toggle-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.35);
    color: var(--text-main);
}

.wizard-hidden-toggle-btn i {
    font-size: 16px;
    color: var(--text-faint);
}

.wizard-hidden-chevron {
    margin-left: auto;
    transition: transform 0.25s ease;
}

.wizard-hidden-chevron.rotated {
    transform: rotate(180deg);
}

.wizard-hidden-container {
    display: contents;
}

/* ============================================================
   WIZARD CARD COMPATIBILITY STATES
   ============================================================ */

/* Compatible — green border glow */
.card--compat-green {
    border-color: rgba(34, 197, 94, 0.5) !important;
    box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.12), 0 2px 8px rgba(34, 197, 94, 0.08) !important;
}

.card--compat-green::before {
    background: linear-gradient(90deg, #22c55e, #16a34a) !important;
    opacity: 1 !important;
}

/* Caution — orange border */
.card--compat-orange {
    border-color: rgba(234, 179, 8, 0.5) !important;
    box-shadow: 0 0 0 1px rgba(234, 179, 8, 0.12), 0 2px 8px rgba(234, 179, 8, 0.08) !important;
}

.card--compat-orange::before {
    background: linear-gradient(90deg, #eab308, #ca8a04) !important;
    opacity: 1 !important;
}

/* Incompatible — faded out */
.card--compat-hidden {
    opacity: 0.35 !important;
    border-color: rgba(239, 68, 68, 0.25) !important;
    filter: grayscale(0.5);
}

.card--compat-hidden:hover {
    opacity: 0.6 !important;
    filter: grayscale(0);
}
/* ══════════════════════════════════════════════════════════════
   MOBILE OVERHAUL — phone-first layout fixes
   ══════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

    /* ── Topbar: compact single row ── */
    .topbar {
        padding: 12px 16px !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        align-items: center !important;
        gap: 8px !important;
        min-height: 52px;
    }

    .topbar > div:first-child {
        flex-wrap: nowrap !important;
        gap: 8px !important;
        width: 100%;
    }

    .page-title {
        font-size: 18px !important;
        white-space: nowrap;
    }

    .search-bar {
        order: 0 !important;
        margin-top: 0 !important;
        min-width: 0;
        flex: 1;
        font-size: 13px !important;
        padding: 8px 12px !important;
        height: 36px;
    }

    /* ── Filter toolbar: collapsed by default, toggleable ── */
    .filter-toolbar {
        padding: 8px 16px !important;
        position: sticky;
        top: 52px;
        overflow: hidden;
        max-height: 48px;
        transition: max-height 0.3s ease;
    }

    .filter-toolbar.filters-expanded {
        max-height: 500px;
        overflow: visible;
    }

    .filter-toolbar-controls {
        flex-direction: column !important;
        gap: 8px !important;
    }

    .filter-group {
        width: 100%;
    }

    .filter-select {
        width: 100% !important;
    }

    .view-toggle {
        align-self: flex-start;
    }

    /* ── Content: tighter padding ── */
    .content-body {
        padding: 12px !important;
    }

    /* ── Component grid: 2 columns on phone ── */
    .components-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    /* ── Component cards: compact for mobile ── */
    .component-card {
        padding: 12px !important;
        border-radius: 8px;
    }

    .component-card .card-image-wrap {
        height: 80px !important;
    }

    .component-card h3,
    .component-card .card-name {
        font-size: 12px !important;
        line-height: 1.3;
        -webkit-line-clamp: 2;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .component-card .card-manufacturer {
        font-size: 10px !important;
    }

    .component-card .card-price {
        font-size: 11px !important;
    }

    .component-card .card-desc {
        display: none !important;
    }

    /* ── List view on mobile: tighter ── */
    .components-grid.list-view {
        grid-template-columns: 1fr !important;
    }

    .components-grid.list-view .component-card {
        flex-direction: row;
        gap: 10px;
    }

    /* ── Build FAB: smaller on mobile ── */
    .build-fab {
        bottom: 16px !important;
        right: 16px !important;
        padding: 12px 18px !important;
        font-size: 14px !important;
        border-radius: 24px;
    }

    /* ── Build drawer: full width ── */
    .build-drawer {
        width: 100% !important;
        max-width: 100% !important;
        border-radius: 16px 16px 0 0 !important;
        height: 100dvh !important;
        height: 100vh !important;
    }
    .drawer-header {
        padding: 14px 16px !important;
    }
    .drawer-header h2 {
        font-size: 18px !important;
    }
    .drawer-body {
        padding: 12px 16px !important;
        gap: 10px !important;
    }
    .build-slot {
        padding: 10px 12px !important;
    }
    .slot-label {
        font-size: 11px !important;
        margin-bottom: 4px !important;
    }
    .slot-empty-text {
        font-size: 13px !important;
    }
    .slot-details h4 {
        font-size: 14px !important;
    }
    .slot-metrics {
        font-size: 12px !important;
        gap: 6px !important;
    }
    .drawer-footer {
        padding: 12px 16px !important;
    }
    .total-row {
        font-size: 13px !important;
    }
    .total-row.highlight {
        font-size: 17px !important;
        padding-top: 8px !important;
    }
    .highlight .total-value {
        font-size: 19px !important;
    }
    .build-warnings-container {
        padding: 0 16px !important;
    }
    .build-warning {
        font-size: 12px !important;
        padding: 8px 10px !important;
    }
    .drawer-footer .build-actions {
        gap: 8px !important;
    }
    .drawer-footer .build-actions .btn {
        padding: 10px 16px !important;
        font-size: 13px !important;
    }

    /* ── Wizard banner: compact ── */
    .wizard-banner {
        padding: 8px 16px !important;
    }

    .wizard-step-chip {
        font-size: 9px !important;
        padding: 3px 6px !important;
    }

    /* ── Modal: near full screen ── */
    .glass-panel {
        width: 98% !important;
        max-height: 90vh !important;
        padding: 16px !important;
        margin: 5vh auto;
    }
}

/* Extra small phones */
@media (max-width: 380px) {
    .components-grid {
        grid-template-columns: 1fr !important;
    }

    .page-title {
        font-size: 16px !important;
    }

    .topbar {
        padding: 8px 12px !important;
    }
}

/* --- DEBT-008: Template page reusable classes --- */
.tmpl-input {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 12px;
    border-radius: var(--radius-sm);
    outline: none;
    font-size: 15px;
    font-family: monospace;
    width: 100%;
    margin-top: 4px;
    box-shadow: var(--inset-shadow);
}
.tmpl-input-plain {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 12px;
    border-radius: var(--radius-sm);
    outline: none;
    font-size: 15px;
    width: 100%;
    box-shadow: var(--inset-shadow);
}
.tmpl-textarea {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 12px;
    border-radius: var(--radius-sm);
    outline: none;
    font-size: 14px;
    width: 100%;
    margin-top: 4px;
    resize: vertical;
    box-shadow: var(--inset-shadow);
    min-height: 80px;
}
.tmpl-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}
.tmpl-cell { padding: 8px; }
.tmpl-th { text-align: left; padding: 8px; color: var(--accent-cyan); }
.tmpl-row-border { border-bottom: 1px solid var(--border-color); }
.tmpl-btn-sm { padding: 6px 14px; font-size: 13px; }
.tmpl-vdivider { width: 1px; height: 24px; background: var(--border-color); margin: 0 8px; }
.tmpl-flex-col { display: flex; flex-direction: column; }
.tmpl-dropdown-menu {
    position: absolute; top: 100%; right: 0; margin-top: 4px;
    background: var(--bg-panel); border: 1px solid var(--border-color);
    border-radius: var(--radius-sm); box-shadow: var(--card-shadow);
    z-index: 100; min-width: 180px;
}
.tmpl-dropdown-item {
    width: 100%; text-align: left; padding: 10px 14px; font-size: 13px;
    border: none; border-radius: 0; background: transparent;
    color: var(--text-main); cursor: pointer;
}
.tmpl-dropdown-item + .tmpl-dropdown-item { border-top: 1px solid var(--border-color); }
.tmpl-bug-input {
    width: 100%; padding: 10px;
    background: var(--bg-dark); border: 1px solid var(--border-color);
    color: var(--text-main); border-radius: var(--radius-sm);
}