/**
 * ExploreXR Texture Upload Styles
 *
 * Frontend CSS for the texture upload UI overlay on model-viewer
 *
 * @package ExploreXR_Materials_Addon
 * @version 1.0.0
 */

/* ===== Container ===== */
.explorexr-texture-upload-container {
    position: absolute;
    z-index: 100;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 13px;
    line-height: 1.4;
    color: #333;
}

/* ===== Positioning ===== */
.explorexr-texture-upload-position-top-left {
    top: 10px;
    left: 10px;
}

.explorexr-texture-upload-position-top-right {
    top: 10px;
    right: 10px;
}

.explorexr-texture-upload-position-bottom-left {
    bottom: 10px;
    left: 10px;
}

.explorexr-texture-upload-position-bottom-right {
    bottom: 10px;
    right: 10px;
}

/* ===== Toggle Button ===== */
.explorexr-texture-upload-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #333;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    white-space: nowrap;
}

.explorexr-texture-upload-toggle:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(0, 0, 0, 0.25);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.explorexr-texture-upload-toggle.active {
    background: #0073aa;
    color: #fff;
    border-color: #005a87;
    box-shadow: 0 2px 8px rgba(0, 115, 170, 0.3);
}

.explorexr-texture-upload-toggle.active:hover {
    background: #005a87;
}

.explorexr-texture-upload-toggle svg {
    flex-shrink: 0;
}

/* ===== Panel ===== */
.explorexr-texture-upload-panel {
    position: absolute;
    min-width: 280px;
    max-width: 340px;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid rgba(0, 0, 0, 0.12);
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    overflow: hidden;
    margin-top: 6px;
}

/* Adjust panel position based on container position */
.explorexr-texture-upload-position-bottom-left .explorexr-texture-upload-panel,
.explorexr-texture-upload-position-bottom-right .explorexr-texture-upload-panel {
    bottom: 100%;
    margin-top: 0;
    margin-bottom: 6px;
}

.explorexr-texture-upload-position-top-left .explorexr-texture-upload-panel,
.explorexr-texture-upload-position-top-right .explorexr-texture-upload-panel {
    top: 100%;
}

.explorexr-texture-upload-position-top-right .explorexr-texture-upload-panel,
.explorexr-texture-upload-position-bottom-right .explorexr-texture-upload-panel {
    right: 0;
}

.explorexr-texture-upload-position-top-left .explorexr-texture-upload-panel,
.explorexr-texture-upload-position-bottom-left .explorexr-texture-upload-panel {
    left: 0;
}

/* Panel Header */
.explorexr-texture-upload-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    background: rgba(0, 115, 170, 0.04);
}

.explorexr-texture-upload-panel-title {
    font-size: 13px;
    font-weight: 600;
    color: #1e1e1e;
}

.explorexr-texture-upload-close {
    background: none;
    border: none;
    font-size: 20px;
    color: #666;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
    transition: color 0.15s ease;
}

.explorexr-texture-upload-close:hover {
    color: #d63638;
}

/* Panel Body */
.explorexr-texture-upload-panel-body {
    padding: 8px 0;
    max-height: 320px;
    overflow-y: auto;
}

/* ===== Individual Slot ===== */
.explorexr-texture-upload-slot {
    padding: 10px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: background 0.15s ease;
}

.explorexr-texture-upload-slot:last-child {
    border-bottom: none;
}

.explorexr-texture-upload-slot:hover {
    background: rgba(0, 115, 170, 0.03);
}

.explorexr-texture-upload-slot-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.explorexr-texture-upload-slot-label strong {
    font-size: 13px;
    font-weight: 600;
    color: #1e1e1e;
}

.explorexr-texture-upload-slot-channel {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #757575;
    background: rgba(0, 0, 0, 0.05);
    padding: 1px 6px;
    border-radius: 3px;
}

.explorexr-texture-upload-slot-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

/* Upload Button */
.explorexr-texture-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 5px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.explorexr-texture-upload-btn:hover {
    background: #005a87;
}

.explorexr-texture-upload-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.explorexr-texture-upload-btn svg {
    flex-shrink: 0;
}

/* Reset Button */
.explorexr-texture-upload-reset-btn {
    padding: 5px 10px;
    background: transparent;
    color: #d63638;
    border: 1px solid #d63638;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.explorexr-texture-upload-reset-btn:hover {
    background: #d63638;
    color: #fff;
}

/* Status */
.explorexr-texture-upload-slot-status {
    font-size: 11px;
    color: #757575;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.explorexr-texture-upload-slot-status.error {
    color: #d63638;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .explorexr-texture-upload-panel {
        min-width: 240px;
        max-width: 280px;
    }

    .explorexr-texture-upload-toggle {
        padding: 6px 10px;
        font-size: 12px;
    }

    .explorexr-texture-upload-toggle span {
        display: none;
    }
}

/* ===== Animations ===== */
.explorexr-texture-upload-container {
    animation: textureUIFadeIn 0.3s ease-out;
}

@keyframes textureUIFadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    .explorexr-texture-upload-container,
    .explorexr-texture-upload-container * {
        animation: none !important;
        transition: none !important;
    }
}

/* ===== Dark Theme ===== */
@media (prefers-color-scheme: dark) {
    .explorexr-texture-upload-toggle {
        background: rgba(40, 40, 40, 0.95);
        border-color: rgba(255, 255, 255, 0.2);
        color: #e0e0e0;
    }

    .explorexr-texture-upload-toggle:hover {
        background: rgba(60, 60, 60, 1);
        border-color: rgba(255, 255, 255, 0.35);
    }

    .explorexr-texture-upload-panel {
        background: rgba(30, 30, 30, 0.97);
        border-color: rgba(255, 255, 255, 0.15);
        color: #e0e0e0;
    }

    .explorexr-texture-upload-panel-header {
        border-bottom-color: rgba(255, 255, 255, 0.08);
        background: rgba(0, 115, 170, 0.08);
    }

    .explorexr-texture-upload-panel-title {
        color: #e0e0e0;
    }

    .explorexr-texture-upload-close {
        color: #999;
    }

    .explorexr-texture-upload-slot {
        border-bottom-color: rgba(255, 255, 255, 0.05);
    }

    .explorexr-texture-upload-slot:hover {
        background: rgba(255, 255, 255, 0.03);
    }

    .explorexr-texture-upload-slot-label strong {
        color: #e0e0e0;
    }

    .explorexr-texture-upload-slot-channel {
        background: rgba(255, 255, 255, 0.1);
        color: #aaa;
    }

    .explorexr-texture-upload-slot-status {
        color: #999;
    }
}

/* ===== High Contrast ===== */
@media (prefers-contrast: high) {
    .explorexr-texture-upload-toggle {
        background: white;
        border: 2px solid black;
    }

    .explorexr-texture-upload-panel {
        background: white;
        border: 2px solid black;
    }

    .explorexr-texture-upload-btn {
        border: 2px solid black;
    }
}