/* ConfigiView Styles */
.configiview {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.configiview * {
    box-sizing: border-box;
}

.configiview-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 18px;
    align-items: start;
}

/* Preview Area */
.configiview-preview {
    position: relative;
    width: 100%;
    min-height: 560px;
    background-size: cover;
    background-position: center;
    background-color: #f0f0f0;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: background-image 0.3s ease;
}

.configiview-preview.loading {
    opacity: 0.7;
}

.configiview-preview-empty-note {
    display: none;
    position: absolute;
    inset: 0;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    font-size: 22px;
    font-weight: 700;
    color: #4a4a4a;
}

.configiview-preview.is-empty {
    background-image: none !important;
    background-color: #fafafa;
    border: 1px dashed #c7c7c7;
}

.configiview-preview.is-empty .configiview-preview-empty-note {
    display: flex;
}

.configiview-sidebar {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Section Headers */
.configiview-section {
    margin: 0;
}

.configiview-section h2 {
    font-size: 18px;
    margin: 0 0 10px;
    border-bottom: 1px solid #d9d9d9;
    padding-bottom: 8px;
    color: #333;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.configiview-sidebar-section + .configiview-sidebar-section {
    border-top: 1px solid #d9d9d9;
    padding-top: 14px;
}

.configiview-sidebar-title {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    -webkit-tap-highlight-color: transparent;
    border: 0;
    background: transparent;
    width: 100%;
    display: block;
    margin-top: 10px;
    text-align: right;
    font-size: 48px;
    line-height: 0.95;
    font-weight: 800;
    color: #cdcdcd;
    text-transform: uppercase;
    letter-spacing: 0.01em;
}

.configiview-has-accordion .configiview-sidebar-title {
    cursor: pointer;
    position: relative;
    padding-right: 20px;
    user-select: none;
    z-index: 2;
    pointer-events: auto;
}
.configiview-sidebar-title:focus {
    outline: none;
}
.configiview-sidebar-title:focus-visible {
    outline: 2px solid #1f1f1f;
    outline-offset: 2px;
}
.configiview-sidebar-title:hover,
.configiview-sidebar-title:active,
.configiview-sidebar-title:focus,
.configiview-sidebar-title:focus-visible {
    background: transparent !important;
    box-shadow: none !important;
    color: #cdcdcd !important;
}

.configiview-has-accordion .configiview-sidebar-title::after {
    content: '\25BE';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    line-height: 1;
    color: #b5b5b5;
}

.configiview-has-accordion .configiview-accordion-panel {
    overflow: hidden;
}

.configiview-has-accordion .configiview-sidebar-section.is-collapsed .configiview-accordion-panel {
    display: none;
}

.configiview-has-accordion .configiview-sidebar-section.is-collapsed .configiview-sidebar-title {
    margin-top: 0;
}

.configiview-has-accordion .configiview-sidebar-section.is-expanded .configiview-sidebar-title::after {
    content: '\25B4';
}

/* Grid Layouts */
.configiview-grid {
    display: grid;
    gap: 12px;
}

.configiview-grid-sidebar {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Grid Items */
.configiview-item {
    cursor: pointer;
    border: 3px solid transparent;
    border-radius: 6px;
    overflow: hidden;
    transition: all 0.2s ease;
    background: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}

.configiview-item:hover {
    transform: translateY(-1px);
    border-color: #007bff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.18);
}

.configiview-item.active {
    border-color: #28a745;
    box-shadow: 0 0 0 2px rgba(40,167,69,0.2);
}

.configiview-item.is-unavailable {
    opacity: 0.35;
    cursor: not-allowed;
}

.configiview-item.is-unavailable:hover {
    transform: none;
    border-color: transparent;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}

.configiview-item img {
    width: 100%;
    height: 70px;
    object-fit: cover;
    display: block;
}

.configiview-label {
    text-align: center;
    font-size: 12px;
    padding: 6px 4px;
    background: #fff;
    font-weight: 600;
    color: #333;
    line-height: 1.2;
}

.configiview-selection-bar {
    margin-top: 18px;
    padding: 14px 0;
    background: transparent;
    border-radius: 14px;
    border: 0;
    box-shadow: none;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 16px;
    align-items: center;
}

.configiview-selection-items {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.configiview-selection-item {
    font-size: 15px;
    color: #2f2f2f;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.configiview-selection-item strong {
    display: inline;
    margin: 0;
    text-transform: uppercase;
    font-size: 18px;
    line-height: 1;
    color: #1f1f1f;
    font-weight: 800;
    letter-spacing: 0.01em;
}

#configiviewSelectedColor,
#configiviewSelectedPattern {
    display: inline;
    color: #4a4a4a;
    font-size: 18px;
    line-height: 1;
    font-weight: 500;
}

.configiview-quick-inquiry {
    appearance: none;
    text-decoration: none !important;
    border: 1px solid #1f1f1f;
    background: #1f1f1f;
    color: #fff;
    min-height: 48px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    padding: 8px 16px;
    transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.configiview-quick-inquiry:hover {
    transform: translateY(-1px);
    background: #000;
    border-color: #000;
    color: #fff !important;
    text-decoration: none !important;
}

.configiview-quick-inquiry:visited,
.configiview-quick-inquiry:focus,
.configiview-quick-inquiry:active {
    color: #fff !important;
    text-decoration: none !important;
}

.configiview a.configiview-quick-inquiry {
    text-decoration: none !important;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .configiview-top {
        grid-template-columns: minmax(0, 1fr) 320px;
    }

    .configiview-sidebar-title {
        font-size: 42px;
    }

    .configiview-selection-bar {
        grid-template-columns: 1fr;
    }

    .configiview-selection-item strong {
        font-size: 16px;
    }

    #configiviewSelectedColor,
    #configiviewSelectedPattern {
        font-size: 16px;
    }
}

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

    .configiview-preview {
        min-height: 360px;
    }

    .configiview-grid-sidebar {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .configiview-preview {
        min-height: 280px;
    }

    .configiview-grid-sidebar {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 10px;
    }

    .configiview-item img {
        height: 62px;
    }

    .configiview-label {
        font-size: 11px;
    }

    .configiview-sidebar-title {
        font-size: 30px;
    }

    .configiview-selection-item {
        font-size: 16px;
    }

    .configiview-selection-item strong {
        font-size: 15px;
    }

    #configiviewSelectedColor,
    #configiviewSelectedPattern {
        font-size: 15px;
    }

    .configiview-quick-inquiry {
        font-size: 17px;
    }

    .configiview-section h2 {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .configiview {
        padding: 10px;
    }

    .configiview-grid-sidebar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .configiview-preview {
        min-height: 220px;
    }
}