/* Accessibility CSS for WTH Timeline */
:root {
    /* Base Colors - Light Mode (Default) */
    --WTH-timeline-primary-color: #3498db;
    --WTH-timeline-secondary-color: #2c3e50;
    --WTH-timeline-accent-color: #e74c3c;
    --WTH-timeline-light-color: #ecf0f1;
    --WTH-timeline-dark-color: #34495e;
    --WTH-timeline-success-color: #2ecc71;
    
    /* Background Colors - Light Mode */
    --WTH-timeline-bg-color: #f5f7fa;
    --WTH-timeline-card-bg: #ffffff;
    --WTH-timeline-header-bg: linear-gradient(135deg, var(--WTH-timeline-primary-color), var(--WTH-timeline-secondary-color));
    
    /* Text Colors - Light Mode */
    --WTH-timeline-text-color: #2c3e50;
    --WTH-timeline-text-light: #7f8c8d;
    --WTH-timeline-text-inverse: #ffffff;
    
    /* Border & Shadow Colors - Light Mode */
    --WTH-timeline-border-color: #e0e0e0;
    --WTH-timeline-shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Contrast Settings - Normal (Default) */
    --WTH-timeline-contrast-ratio: 1;
    --WTH-timeline-contrast-filter: none;
    
    /* Font Size Settings */
    --WTH-timeline-base-font-size: 16px;
    --WTH-timeline-font-scale: 1;
    
    /* Layout Direction */
    --WTH-timeline-direction: ltr;
    --WTH-timeline-text-align: left;
    
    /* Spacing */
    --WTH-timeline-spacing-xs: 5px;
    --WTH-timeline-spacing-sm: 10px;
    --WTH-timeline-spacing-md: 15px;
    --WTH-timeline-spacing-lg: 20px;
    --WTH-timeline-spacing-xl: 30px;
}

/* Dark Mode Variables */
.WTH-timeline-container.dark-mode {
    --WTH-timeline-bg-color: #1a1a1a;
    --WTH-timeline-card-bg: #2d2d2d;
    --WTH-timeline-header-bg: linear-gradient(135deg, #2980b9, #34495e);
    --WTH-timeline-text-color: #ecf0f1;
    --WTH-timeline-text-light: #bdc3c7;
    --WTH-timeline-border-color: #444;
    --WTH-timeline-shadow-color: rgba(0, 0, 0, 0.3);
}

/* High Contrast Mode */
.WTH-timeline-container.high-contrast {
    --WTH-timeline-primary-color: #0056b3;
    --WTH-timeline-secondary-color: #000000;
    --WTH-timeline-accent-color: #ff0000;
    --WTH-timeline-success-color: #008000;
    --WTH-timeline-bg-color: #ffffff;
    --WTH-timeline-card-bg: #ffffff;
    --WTH-timeline-text-color: #000000;
    --WTH-timeline-text-light: #333333;
    --WTH-timeline-border-color: #000000;
    --WTH-timeline-contrast-ratio: 1.5;
    --WTH-timeline-contrast-filter: contrast(1.5);
}

/* Low Contrast Mode */
.WTH-timeline-container.low-contrast {
    --WTH-timeline-primary-color: #6c757d;
    --WTH-timeline-secondary-color: #6c757d;
    --WTH-timeline-accent-color: #6c757d;
    --WTH-timeline-success-color: #6c757d;
    --WTH-timeline-bg-color: #f8f9fa;
    --WTH-timeline-card-bg: #f8f9fa;
    --WTH-timeline-text-color: #6c757d;
    --WTH-timeline-text-light: #8a9399;
    --WTH-timeline-border-color: #e9ecef;
    --WTH-timeline-contrast-ratio: 0.7;
    --WTH-timeline-contrast-filter: contrast(0.7);
}

/* RTL Direction */
.WTH-timeline-container.rtl {
    --WTH-timeline-direction: rtl;
    --WTH-timeline-text-align: right;
}

/* Font Size Classes */
.WTH-timeline-container.font-size-xs {
    --WTH-timeline-base-font-size: 12px;
    --WTH-timeline-font-scale: 0.75;
}

.WTH-timeline-container.font-size-sm {
    --WTH-timeline-base-font-size: 14px;
    --WTH-timeline-font-scale: 0.875;
}

.WTH-timeline-container.font-size-lg {
    --WTH-timeline-base-font-size: 18px;
    --WTH-timeline-font-scale: 1.125;
}

.WTH-timeline-container.font-size-xl {
    --WTH-timeline-base-font-size: 20px;
    --WTH-timeline-font-scale: 1.25;
}

/* Apply contrast filter to images and interactive elements */
.WTH-timeline-container.high-contrast img,
.WTH-timeline-container.high-contrast button,
.WTH-timeline-container.high-contrast input,
.WTH-timeline-container.high-contrast select,
.WTH-timeline-container.high-contrast textarea {
    filter: var(--WTH-timeline-contrast-filter);
}

.WTH-timeline-container.low-contrast img,
.WTH-timeline-container.low-contrast button,
.WTH-timeline-container.low-contrast input,
.WTH-timeline-container.low-contrast select,
.WTH-timeline-container.low-contrast textarea {
    filter: var(--WTH-timeline-contrast-filter);
}

/* Options Icon Styles */
.WTH-timeline-options-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.WTH-timeline-options-icon:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(30deg);
}

.WTH-timeline-options-icon svg {
    width: 24px;
    height: 24px;
    fill: white;
}

/* Question Icon Styles */
.WTH-timeline-question-icon {
    position: absolute;
    top: 20px;
    right: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.WTH-timeline-question-icon:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.WTH-timeline-question-icon svg {
    width: 24px;
    height: 24px;
    fill: white;
}

/* Modal Styles */
.WTH-timeline-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.WTH-timeline-modal-content {
    background-color: var(--WTH-timeline-card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--WTH-timeline-shadow-color);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    padding: 0;
}

.WTH-timeline-modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--WTH-timeline-border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.WTH-timeline-modal-title {
    font-size: 1.5rem;
    color: var(--WTH-timeline-secondary-color);
    margin: 0;
}

.WTH-timeline-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--WTH-timeline-text-light);
    transition: color 0.3s;
}

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

.WTH-timeline-modal-body {
    padding: 20px;
}

.WTH-timeline-option-group {
    margin-bottom: 20px;
}

.WTH-timeline-option-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--WTH-timeline-secondary-color);
}

.WTH-timeline-option-select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--WTH-timeline-border-color);
    border-radius: 5px;
    font-size: 1rem;
    background-color: var(--WTH-timeline-card-bg);
    color: var(--WTH-timeline-text-color);
}

.WTH-timeline-radio-group {
    display: flex;
    gap: 15px;
}

.WTH-timeline-radio-option {
    display: flex;
    align-items: center;
    gap: 5px;
}

.WTH-timeline-radio-option input {
    margin: 0;
}

.WTH-timeline-modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--WTH-timeline-border-color);
    display: flex;
    justify-content: flex-end;
}

/* Coming Soon Message Styles */
.WTH-timeline-coming-soon {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    align-items: center;
    justify-content: center;
}

.WTH-timeline-coming-soon-content {
    background-color: var(--WTH-timeline-card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--WTH-timeline-shadow-color);
    width: 90%;
    max-width: 400px;
    padding: 30px;
    text-align: center;
}

.WTH-timeline-coming-soon-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--WTH-timeline-primary-color);
}

.WTH-timeline-coming-soon-title {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--WTH-timeline-secondary-color);
}

.WTH-timeline-coming-soon-text {
    margin-bottom: 20px;
    color: var(--WTH-timeline-text-light);
}

/* Font Size Control Styles */
.WTH-timeline-font-size-control {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 5px;
}

.WTH-timeline-font-size-btn {
    width: 35px;
    height: 35px;
    border: 1px solid var(--WTH-timeline-border-color);
    background-color: var(--WTH-timeline-light-color);
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.WTH-timeline-font-size-btn:hover {
    background-color: var(--WTH-timeline-primary-color);
    border-color: var(--WTH-timeline-primary-color);
    color: white;
}

.WTH-timeline-font-size-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: var(--WTH-timeline-light-color);
    border-color: var(--WTH-timeline-border-color);
    color: var(--WTH-timeline-text-light);
}

.WTH-timeline-font-size-btn:disabled:hover {
    background-color: var(--WTH-timeline-light-color);
    border-color: var(--WTH-timeline-border-color);
    color: var(--WTH-timeline-text-light);
}

.WTH-timeline-font-size-display {
    min-width: 50px;
    text-align: center;
    font-weight: 600;
    color: var(--WTH-timeline-secondary-color);
    padding: 5px 10px;
    background-color: var(--WTH-timeline-light-color);
    border-radius: 5px;
    border: 1px solid var(--WTH-timeline-border-color);
}

/* Action Buttons Styles */
.WTH-timeline-option-actions {
    display: flex;
    gap: 10px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid var(--WTH-timeline-border-color);
    flex-wrap: wrap;
}

.WTH-timeline-option-actions .WTH-timeline-button {
    flex: 1;
    min-width: 120px;
}

/* Mobile adjustments for options icon */
@media (max-width: 768px) {
    .WTH-timeline-options-icon {
        top: 10px;
        right: 10px;
        width: 35px;
        height: 35px;
    }
    
    /* Mobile adjustments for question icon */
    .WTH-timeline-question-icon {
        top: 10px;
        right: 55px;
        width: 35px;
        height: 35px;
    }
}

/* Responsive adjustments for action buttons */
@media (max-width: 480px) {
    .WTH-timeline-option-actions {
        flex-direction: column;
    }
    
    .WTH-timeline-option-actions .WTH-timeline-button {
        width: 100%;
    }
}

/* Install Button Styles */
.WTH-timeline-install-btn-container {
    position: absolute;
    top: 20px;
    right: 120px;
}

.WTH-timeline-install-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid white;
    border-radius: 25px;
    color: white;
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.WTH-timeline-install-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--WTH-timeline-shadow-color);
}

.WTH-timeline-install-icon {
    width: 18px;
    height: 18px;
    fill: white;
}

/* Mobile adjustments for install button */
@media (max-width: 768px) {
    .WTH-timeline-install-btn-container {
        top: 10px;
        right: 100px;
    }
    
    .WTH-timeline-install-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .WTH-timeline-install-icon {
        width: 16px;
        height: 16px;
    }
}

@media (max-width: 480px) {
    .WTH-timeline-install-btn-container {
        right: 90px;
    }
    
    .WTH-timeline-install-btn span {
        display: none;
    }
    
    .WTH-timeline-install-btn {
        padding: 8px;
        border-radius: 50%;
        width: 35px;
        height: 35px;
        justify-content: center;
    }
}