/* Background Selector Styles */

/* Background overlay enhancements for readability */
.custom-background {
    position: relative;
}

.custom-background::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(1px);
    z-index: -1;
    pointer-events: none;
}

.pattern-background {
    position: relative;
}

.pattern-background::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    z-index: -1;
    pointer-events: none;
}

/* Background Button */
.background-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 2px solid var(--glass-border);
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.background-button:hover {
    transform: scale(1.1);
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    box-shadow: 
        0 8px 25px rgba(0, 212, 255, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.player-theme .background-button:hover {
    background: var(--player-red);
    border-color: var(--player-red);
    box-shadow: 
        0 8px 25px var(--player-red-glow),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.dm-theme .background-button:hover {
    background: var(--dm-purple);
    border-color: var(--dm-purple);
    box-shadow: 
        0 8px 25px var(--dm-purple-glow),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

/* Background Modal */
.background-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.background-modal.show {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.background-modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    max-width: 90vw;
    max-height: 90vh;
    width: 800px;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease-out;
    position: relative;
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Modal Header */
.background-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.background-modal-header h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin: 0;
    font-weight: 600;
}

.background-close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
}

.background-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    transform: rotate(90deg);
}

/* Background Grid */
.background-section {
    margin-bottom: 2rem;
}

.background-section h3 {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.background-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.background-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.background-option:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.2);
}

.player-theme .background-option:hover {
    border-color: var(--player-red);
    box-shadow: 0 8px 25px var(--player-red-glow);
}

.dm-theme .background-option:hover {
    border-color: var(--dm-purple);
    box-shadow: 0 8px 25px var(--dm-purple-glow);
}

.background-option.selected {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

.player-theme .background-option.selected {
    background: var(--player-red);
    border-color: var(--player-red);
}

.dm-theme .background-option.selected {
    background: var(--dm-purple);
    border-color: var(--dm-purple);
}

.background-preview {
    width: 140px;
    height: 80px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 0.75rem;
    transition: transform 0.2s ease;
}

.background-option:hover .background-preview {
    transform: scale(1.05);
}

.background-name {
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    color: inherit;
}

.selected-indicator {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(255, 255, 255, 0.9);
    color: var(--accent-blue);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: bold;
}

.player-theme .selected-indicator {
    color: var(--player-red);
}

.dm-theme .selected-indicator {
    color: var(--dm-purple);
}

/* Upload Area */
.background-upload-section {
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
}

.background-upload-area {
    border: 2px dashed var(--glass-border);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.background-upload-area:hover,
.background-upload-area.dragover {
    border-color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.05);
    transform: scale(1.02);
}

.player-theme .background-upload-area:hover,
.player-theme .background-upload-area.dragover {
    border-color: var(--player-red);
    background: rgba(239, 68, 68, 0.05);
}

.dm-theme .background-upload-area:hover,
.dm-theme .background-upload-area.dragover {
    border-color: var(--dm-purple);
    background: rgba(157, 78, 221, 0.05);
}

.upload-icon {
    font-size: 3rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.background-upload-area:hover .upload-icon {
    color: var(--accent-blue);
    transform: scale(1.1);
}

.player-theme .background-upload-area:hover .upload-icon {
    color: var(--player-red);
}

.dm-theme .background-upload-area:hover .upload-icon {
    color: var(--dm-purple);
}

.upload-text {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.upload-subtext {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.background-file-input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

/* Current Background Info */
.current-background-info {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.current-background-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.current-background-name {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .background-button {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .background-modal-content {
        width: 95vw;
        padding: 1.5rem;
        margin: 1rem;
        border-radius: 16px;
    }
    
    .background-modal-header h2 {
        font-size: 1.5rem;
    }
    
    .background-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 1rem;
    }
    
    .background-option {
        padding: 0.75rem;
    }
    
    .background-preview {
        width: 120px;
        height: 70px;
    }
    
    .background-upload-area {
        padding: 2rem 1rem;
    }
    
    .upload-icon {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .background-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
    
    .background-preview {
        width: 100px;
        height: 60px;
    }
    
    .background-name {
        font-size: 0.8rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    .background-option,
    .background-button,
    .background-upload-area,
    .background-modal-content {
        transition: none;
        animation: none;
    }
}

/* Print styles */
@media print {
    .background-button,
    .background-modal {
        display: none !important;
    }
}