/**
 * Reading Customization Styles
 * 
 * Modern floating panel design with smooth animations
 * Supports RTL and Dark Mode
 * 
 * @package Authority_Nexus_2026
 */

/* CSS Variables */
:root {
    --rc-primary: #667eea;
    --rc-bg: #ffffff;
    --rc-text: #333333;
    --rc-text-muted: #666666;
    --rc-border: #e2e8f0;
    --rc-hover: #f7fafc;
    --rc-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

/* Dark Mode */
[data-theme="dark"],
.dark-mode,
body.night-mode {
    --rc-bg: #1e1e2e;
    --rc-text: #f0f0f0;
    --rc-text-muted: #a0a0a0;
    --rc-border: #3a3a4a;
    --rc-hover: #2a2a3a;
    --rc-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

/* Toggle Button */
.reading-customization-toggle {
    position: fixed;
    bottom: 100px;
    left: 20px;
    z-index: 999;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--rc-primary), #764ba2);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[dir="rtl"] .reading-customization-toggle {
    left: auto;
    right: 20px;
}

.reading-customization-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.5);
}

.reading-customization-toggle.active {
    transform: rotate(180deg);
}

.reading-customization-toggle svg {
    transition: transform 0.3s ease;
}

/* Panel */
.reading-customization-panel {
    position: fixed;
    bottom: 170px;
    left: 20px;
    z-index: 1000;
    width: 320px;
    max-width: calc(100vw - 40px);
    background: var(--rc-bg);
    border-radius: 20px;
    box-shadow: var(--rc-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

[dir="rtl"] .reading-customization-panel {
    left: auto;
    right: 20px;
}

.reading-customization-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Panel Header */
.reading-customization-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    background: linear-gradient(135deg, var(--rc-primary), #764ba2);
    color: white;
}

.reading-customization-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.reading-customization-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.reading-customization-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

/* Panel Body */
.reading-customization-body {
    padding: 20px;
}

/* Reading Option */
.reading-option {
    margin-bottom: 20px;
}

.reading-option:last-child {
    margin-bottom: 0;
}

.reading-option-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--rc-text);
    margin-bottom: 12px;
}

.reading-option-label svg {
    color: var(--rc-primary);
}

/* Option Controls */
.reading-option-controls {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Size Buttons */
.size-btn {
    flex: 1;
    min-width: 50px;
    height: 44px;
    border: 2px solid var(--rc-border);
    background: var(--rc-bg);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: var(--rc-text);
    font-weight: 600;
}

.size-btn:hover {
    border-color: var(--rc-primary);
    background: var(--rc-hover);
}

.size-btn.active {
    border-color: var(--rc-primary);
    background: linear-gradient(135deg, var(--rc-primary), #764ba2);
    color: white;
}

/* Style Buttons */
.style-btn {
    flex: 1;
    padding: 10px 12px;
    border: 2px solid var(--rc-border);
    background: var(--rc-bg);
    border-radius: 10px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
    color: var(--rc-text);
}

.style-btn:hover {
    border-color: var(--rc-primary);
    background: var(--rc-hover);
}

.style-btn.active {
    border-color: var(--rc-primary);
    background: linear-gradient(135deg, var(--rc-primary), #764ba2);
    color: white;
}

.style-btn[data-style="serif"] {
    font-family: Georgia, 'Times New Roman', serif;
}

.style-btn[data-style="sans-serif"] {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Spacing Buttons */
.spacing-btn {
    flex: 1;
    height: 44px;
    border: 2px solid var(--rc-border);
    background: var(--rc-bg);
    border-radius: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.spacing-btn:hover {
    border-color: var(--rc-primary);
    background: var(--rc-hover);
}

.spacing-btn.active {
    border-color: var(--rc-primary);
    background: linear-gradient(135deg, var(--rc-primary), #764ba2);
}

.spacing-btn.active .spacing-icon::before,
.spacing-btn.active .spacing-icon::after,
.spacing-btn.active .spacing-icon {
    background: white;
}

/* Spacing Icons */
.spacing-icon {
    width: 24px;
    height: 3px;
    background: var(--rc-text-muted);
    border-radius: 2px;
    position: relative;
}

.spacing-icon::before,
.spacing-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--rc-text-muted);
    border-radius: 2px;
}

.spacing-icon.compact::before {
    top: -6px;
}

.spacing-icon.compact::after {
    bottom: -6px;
}

.spacing-icon.normal::before {
    top: -8px;
}

.spacing-icon.normal::after {
    bottom: -8px;
}

.spacing-icon.relaxed::before {
    top: -10px;
}

.spacing-icon.relaxed::after {
    bottom: -10px;
}

.spacing-icon.spacious::before {
    top: -12px;
}

.spacing-icon.spacious::after {
    bottom: -12px;
}

/* Panel Footer */
.reading-customization-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--rc-border);
    display: flex;
    justify-content: center;
}

.reading-reset-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    border: 2px solid var(--rc-border);
    border-radius: 25px;
    color: var(--rc-text-muted);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.reading-reset-btn:hover {
    border-color: #e74c3c;
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

/* Overlay */
.reading-customization-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.reading-customization-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ================================
   CONTENT STYLES - Applied Classes
   ================================ */

/* Font Sizes */
.reading-size-small,
body.reading-size-small .entry-content,
body.reading-size-small article,
body.reading-size-small main {
    font-size: 14px !important;
}

.reading-size-small p,
.reading-size-small li,
body.reading-size-small .entry-content p,
body.reading-size-small .entry-content li {
    font-size: 14px !important;
}

.reading-size-medium,
body.reading-size-medium .entry-content,
body.reading-size-medium article,
body.reading-size-medium main {
    font-size: 16px !important;
}

.reading-size-medium p,
.reading-size-medium li,
body.reading-size-medium .entry-content p,
body.reading-size-medium .entry-content li {
    font-size: 16px !important;
}

.reading-size-large,
body.reading-size-large .entry-content,
body.reading-size-large article,
body.reading-size-large main {
    font-size: 18px !important;
}

.reading-size-large p,
.reading-size-large li,
body.reading-size-large .entry-content p,
body.reading-size-large .entry-content li {
    font-size: 18px !important;
}

.reading-size-xlarge,
body.reading-size-xlarge .entry-content,
body.reading-size-xlarge article,
body.reading-size-xlarge main {
    font-size: 20px !important;
}

.reading-size-xlarge p,
.reading-size-xlarge li,
body.reading-size-xlarge .entry-content p,
body.reading-size-xlarge .entry-content li {
    font-size: 20px !important;
}

/* Font Styles */
.reading-font-default {
    font-family: inherit !important;
}

.reading-font-serif,
.reading-font-serif p,
.reading-font-serif li,
body.reading-font-serif .entry-content,
body.reading-font-serif .entry-content p,
body.reading-font-serif .entry-content li {
    font-family: Georgia, 'Times New Roman', 'Noto Naskh Arabic', serif !important;
}

.reading-font-sans,
.reading-font-sans p,
.reading-font-sans li,
body.reading-font-sans .entry-content,
body.reading-font-sans .entry-content p,
body.reading-font-sans .entry-content li {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Tajawal', sans-serif !important;
}

/* Line Spacing */
.reading-spacing-compact,
.reading-spacing-compact p,
.reading-spacing-compact li,
body.reading-spacing-compact .entry-content,
body.reading-spacing-compact .entry-content p,
body.reading-spacing-compact .entry-content li {
    line-height: 1.4 !important;
}

.reading-spacing-normal,
.reading-spacing-normal p,
.reading-spacing-normal li,
body.reading-spacing-normal .entry-content,
body.reading-spacing-normal .entry-content p,
body.reading-spacing-normal .entry-content li {
    line-height: 1.7 !important;
}

.reading-spacing-relaxed,
.reading-spacing-relaxed p,
.reading-spacing-relaxed li,
body.reading-spacing-relaxed .entry-content,
body.reading-spacing-relaxed .entry-content p,
body.reading-spacing-relaxed .entry-content li {
    line-height: 2 !important;
}

.reading-spacing-spacious,
.reading-spacing-spacious p,
.reading-spacing-spacious li,
body.reading-spacing-spacious .entry-content,
body.reading-spacing-spacious .entry-content p,
body.reading-spacing-spacious .entry-content li {
    line-height: 2.3 !important;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .reading-customization-toggle {
        bottom: 80px;
        width: 45px;
        height: 45px;
    }

    .reading-customization-panel {
        bottom: 140px;
        left: 10px;
        right: 10px;
        width: auto;
    }

    [dir="rtl"] .reading-customization-panel {
        left: 10px;
        right: 10px;
    }

    .reading-option-controls {
        gap: 6px;
    }

    .size-btn,
    .spacing-btn {
        min-width: 40px;
        height: 40px;
    }

    .style-btn {
        padding: 8px 10px;
        font-size: 11px;
    }
}

/* Print: Hide */
@media print {

    .reading-customization-toggle,
    .reading-customization-panel,
    .reading-customization-overlay {
        display: none !important;
    }
}