/* Cadence Post Manager - Enhanced Responsive Styles
   Version: 2.3.1
   Author: Abr Baran
   کاملا ریسپانسیو برای موبایل، تبلت، لپ‌تاپ و دسکتاپ
*/

/* Enhanced CSS Variables */
:root {
    --cadence-primary: #077070;
    --cadence-primary-dark: #055555;
    --cadence-primary-light: #0a9090;
    --cadence-primary-alpha: rgba(7, 112, 112, 0.1);
    --cadence-secondary: #1a2633;
    --cadence-secondary-light: #2a3643;
    --cadence-secondary-alpha: rgba(26, 38, 51, 0.05);
    --cadence-accent: #f39c12;
    --cadence-accent-light: #f5b041;
    --cadence-text: #2c3e50;
    --cadence-text-light: #5a6c7d;
    --cadence-text-lighter: #8a9ba8;
    --cadence-border: #e5e8ec;
    --cadence-border-light: #f1f3f4;
    --cadence-bg: #f8f9fa;
    --cadence-bg-light: #fafbfc;
    --cadence-white: #ffffff;
    --cadence-black: #000000;
    --cadence-success: #27ae60;
    --cadence-error: #e74c3c;
    --cadence-warning: #f39c12;
    --cadence-info: #3498db;
    --cadence-shadow: rgba(0, 0, 0, 0.08);
    --cadence-shadow-light: rgba(0, 0, 0, 0.04);
    --cadence-shadow-hover: rgba(0, 0, 0, 0.12);
    --cadence-shadow-focus: rgba(7, 112, 112, 0.25);
    --cadence-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --cadence-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --cadence-radius: 8px;
    --cadence-radius-lg: 12px;
    --cadence-radius-xl: 16px;
    --cadence-font-family: 'Vazirmatn', 'Tahoma', 'Arial', sans-serif;
    --cadence-font-size-sm: 14px;
    --cadence-font-size-base: 16px;
    --cadence-font-size-lg: 18px;
    --cadence-font-size-xl: 20px;
    --cadence-spacing-xs: 4px;
    --cadence-spacing-sm: 8px;
    --cadence-spacing-md: 16px;
    --cadence-spacing-lg: 24px;
    --cadence-spacing-xl: 32px;
    --cadence-container-max-width: 1200px;
    --cadence-sidebar-width: 320px;
}

/* Global Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* Base Styles */
.cadence-single-post {
    font-family: var(--cadence-font-family);
    direction: rtl;
    color: var(--cadence-text);
    line-height: 1.7;
    font-size: var(--cadence-font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
    overflow-x: hidden;
}

.cadence-single-post * {
    font-family: inherit;
}

/* اصلاح آیکون‌ها - بسیار مهم */
.cadence-single-post i.fas,
.cadence-single-post i.far,
.cadence-single-post i.fab,
.cadence-single-post .fas,
.cadence-single-post .far,
.cadence-single-post .fab {
    font-family: "Font Awesome 6 Free", "Font Awesome 6 Pro", "FontAwesome" !important;
    font-style: normal;
    font-weight: 900;
    display: inline-block;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.cadence-single-post .fab {
    font-weight: 400 !important;
}

/* Reading Progress Bar */
.cadence-reading-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.95);
    z-index: 9999;
    box-shadow: 0 1px 3px var(--cadence-shadow);
}

.cadence-reading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--cadence-primary), var(--cadence-primary-light));
    width: 0%;
    transition: width 0.1s ease-out;
    will-change: width;
}

/* Post Header */
.cadence-post-header {
    background: linear-gradient(135deg, var(--cadence-secondary), var(--cadence-secondary-light));
    color: var(--cadence-white);
    padding: clamp(30px, 6vw, 60px) 0;
    position: relative;
    overflow: hidden;
}

.cadence-post-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    transform: rotate(45deg);
    pointer-events: none;
}

.cadence-post-layout {
    max-width: var(--cadence-container-max-width);
    margin: 0 auto;
    padding: 0 clamp(16px, 3vw, 24px);
}

/* Breadcrumb */
.cadence-breadcrumb {
    margin-bottom: var(--cadence-spacing-lg);
}

.cadence-breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: var(--cadence-spacing-sm);
}

.cadence-breadcrumb-item {
    display: flex;
    align-items: center;
    font-size: clamp(12px, 2vw, 14px);
}

.cadence-breadcrumb-item:not(:last-child)::after {
    content: '/';
    margin: 0 var(--cadence-spacing-sm);
    color: rgba(255, 255, 255, 0.5);
}

.cadence-breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--cadence-transition);
    display: flex;
    align-items: center;
    gap: var(--cadence-spacing-xs);
    padding: var(--cadence-spacing-xs) var(--cadence-spacing-sm);
    border-radius: var(--cadence-radius);
}

.cadence-breadcrumb-item a:hover,
.cadence-breadcrumb-item a:focus {
    color: var(--cadence-white);
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

.cadence-breadcrumb-item.current span {
    color: rgba(255, 255, 255, 0.6);
}

/* Post Title */
.cadence-post-title {
    font-size: clamp(22px, 4.5vw, 42px);
    font-weight: 700;
    margin: 0 0 clamp(16px, 3vw, 24px);
    line-height: 1.3;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

/* Post Meta */
.cadence-post-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: clamp(12px, 2vw, 20px);
    font-size: clamp(13px, 1.8vw, 15px);
    color: rgba(255, 255, 255, 0.85);
}

.cadence-meta-item {
    display: flex;
    align-items: center;
    gap: var(--cadence-spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--cadence-spacing-xs) var(--cadence-spacing-md);
    border-radius: var(--cadence-radius);
    backdrop-filter: blur(10px);
}

.cadence-meta-item i {
    font-size: clamp(12px, 1.5vw, 14px);
}

/* Content Wrapper - مهمترین بخش برای ریسپانسیو */
.cadence-content-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(20px, 3vw, 32px);
    margin-top: clamp(20px, 3vw, 32px);
    align-items: start;
}

/* دسکتاپ و لپ‌تاپ */
@media (min-width: 1025px) {
    .cadence-content-wrapper {
        grid-template-columns: 1fr var(--cadence-sidebar-width);
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    :root {
        --cadence-sidebar-width: 280px;
    }
    .cadence-content-wrapper {
        grid-template-columns: 1fr 280px;
    }
}

/* Main Content */
.cadence-main-content {
    background: var(--cadence-white);
    padding: clamp(20px, 4vw, 40px);
    border-radius: var(--cadence-radius-lg);
    box-shadow: 0 4px 16px var(--cadence-shadow);
    min-width: 0;
    width: 100%;
}

/* Content Body */
.cadence-content-body {
    font-size: clamp(15px, 2vw, 17px);
    line-height: 1.8;
    color: var(--cadence-text);
}

.cadence-content-body h1,
.cadence-content-body h2,
.cadence-content-body h3,
.cadence-content-body h4,
.cadence-content-body h5,
.cadence-content-body h6 {
    font-weight: 700;
    line-height: 1.4;
    margin: clamp(24px, 4vw, 32px) 0 clamp(12px, 2vw, 16px);
    color: var(--cadence-secondary);
}

.cadence-content-body h2 { font-size: clamp(22px, 3.5vw, 32px); }
.cadence-content-body h3 { font-size: clamp(20px, 3vw, 26px); }
.cadence-content-body h4 { font-size: clamp(18px, 2.5vw, 22px); }

.cadence-content-body p {
    margin-bottom: clamp(14px, 2.5vw, 20px);
}

.cadence-content-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--cadence-radius);
    margin: clamp(16px, 3vw, 24px) 0;
}

.cadence-content-body ul,
.cadence-content-body ol {
    padding-right: clamp(20px, 3vw, 32px);
    margin-bottom: clamp(14px, 2.5vw, 20px);
}

.cadence-content-body li {
    margin-bottom: var(--cadence-spacing-sm);
}

.cadence-content-body blockquote {
    border-right: 4px solid var(--cadence-primary);
    padding: clamp(12px, 2vw, 20px);
    margin: clamp(16px, 3vw, 24px) 0;
    background: var(--cadence-bg);
    border-radius: var(--cadence-radius);
    font-style: italic;
    color: var(--cadence-text-light);
}

/* Sidebar - بهینه‌سازی کامل */
.cadence-sidebar {
    width: 100%;
    min-width: 0;
}

/* Sticky Sidebar فقط برای دسکتاپ */
@media (min-width: 1025px) {
    .cadence-sidebar {
        position: sticky;
        top: 80px;
        max-height: calc(100vh - 100px);
        overflow-y: auto;
        padding-left: 4px;
    }
    
    .cadence-sidebar::-webkit-scrollbar {
        width: 4px;
    }
    
    .cadence-sidebar::-webkit-scrollbar-track {
        background: var(--cadence-bg);
        border-radius: 2px;
    }
    
    .cadence-sidebar::-webkit-scrollbar-thumb {
        background: var(--cadence-primary);
        border-radius: 2px;
    }
}

/* Widget Styles */
.cadence-widget {
    background: var(--cadence-white);
    border-radius: var(--cadence-radius-lg);
    padding: clamp(16px, 3vw, 24px);
    box-shadow: 0 2px 12px var(--cadence-shadow-light);
    margin-bottom: clamp(16px, 2.5vw, 20px);
    border: 1px solid var(--cadence-border-light);
    width: 100%;
}

.cadence-widget-header {
    margin-bottom: var(--cadence-spacing-md);
    padding-bottom: var(--cadence-spacing-md);
    border-bottom: 2px solid var(--cadence-border-light);
}

.cadence-widget-title {
    font-size: clamp(16px, 2.5vw, 18px);
    font-weight: 700;
    margin: 0;
    color: var(--cadence-secondary);
    display: flex;
    align-items: center;
    gap: var(--cadence-spacing-sm);
}

.cadence-widget-title i {
    color: var(--cadence-primary);
    font-size: clamp(15px, 2.2vw, 17px);
}

.cadence-widget-content {
    width: 100%;
    overflow-x: hidden;
}

/* Featured Image */
.cadence-featured-image {
    margin: clamp(-20px, -3vw, -40px) clamp(-20px, -3vw, -40px) clamp(20px, 3vw, 32px);
    border-radius: var(--cadence-radius-lg) var(--cadence-radius-lg) 0 0;
    overflow: hidden;
}

.cadence-featured-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* TOC */
.cadence-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cadence-toc-item {
    margin-bottom: var(--cadence-spacing-xs);
}

.cadence-toc-level-2 { padding-right: clamp(12px, 2vw, 20px); }
.cadence-toc-level-3 { padding-right: clamp(24px, 3vw, 32px); }

.cadence-toc-link {
    display: block;
    padding: clamp(8px, 1.5vw, 10px) clamp(12px, 2vw, 16px);
    color: var(--cadence-text);
    text-decoration: none;
    border-radius: var(--cadence-radius);
    transition: var(--cadence-transition);
    font-size: clamp(13px, 1.8vw, 14px);
    position: relative;
    line-height: 1.5;
}

.cadence-toc-link::before {
    content: '';
    position: absolute;
    right: var(--cadence-spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--cadence-primary);
    transition: var(--cadence-transition);
    border-radius: 2px;
}

.cadence-toc-link:hover,
.cadence-toc-link:focus,
.cadence-toc-link.active {
    background: var(--cadence-primary-alpha);
    color: var(--cadence-primary);
    outline: none;
}

.cadence-toc-link:hover::before,
.cadence-toc-link.active::before {
    height: 18px;
}

/* Newsletter Form */
.cadence-newsletter-description {
    font-size: clamp(13px, 1.8vw, 14px);
    color: var(--cadence-text-light);
    margin-bottom: var(--cadence-spacing-md);
    line-height: 1.6;
}

.cadence-newsletter-form {
    margin-top: var(--cadence-spacing-sm);
}

.cadence-form-group {
    display: flex;
    gap: var(--cadence-spacing-sm);
    flex-direction: column;
}

.cadence-form-group input[type="email"] {
    padding: clamp(12px, 2vw, 16px);
    border: 2px solid var(--cadence-border);
    border-radius: var(--cadence-radius);
    font-size: clamp(13px, 1.8vw, 15px);
    transition: var(--cadence-transition);
    background: var(--cadence-white);
    font-family: inherit;
    width: 100%;
}

.cadence-form-group input[type="email"]:focus {
    outline: none;
    border-color: var(--cadence-primary);
    box-shadow: 0 0 0 3px var(--cadence-shadow-focus);
}

.cadence-form-group input[type="email"].error {
    border-color: var(--cadence-error);
}

.cadence-form-group button {
    padding: clamp(12px, 2vw, 16px) clamp(16px, 2.5vw, 24px);
    background: linear-gradient(135deg, var(--cadence-primary), var(--cadence-primary-light));
    color: var(--cadence-white);
    border: none;
    border-radius: var(--cadence-radius);
    font-size: clamp(13px, 1.8vw, 15px);
    font-weight: 600;
    cursor: pointer;
    transition: var(--cadence-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--cadence-spacing-sm);
    font-family: inherit;
    width: 100%;
}

.cadence-form-group button:hover,
.cadence-form-group button:focus {
    background: linear-gradient(135deg, var(--cadence-primary-dark), var(--cadence-primary));
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--cadence-shadow-hover);
    outline: none;
}

.cadence-form-group button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Related Posts */
.cadence-related-posts {
    min-height: 100px;
}

.cadence-related-item {
    display: flex;
    gap: clamp(12px, 2vw, 16px);
    margin-bottom: clamp(12px, 2vw, 16px);
    padding: clamp(12px, 2vw, 16px);
    border: 1px solid var(--cadence-border-light);
    border-radius: var(--cadence-radius);
    transition: var(--cadence-transition);
    background: var(--cadence-white);
}

.cadence-related-item:hover {
    border-color: var(--cadence-primary);
    box-shadow: 0 4px 12px var(--cadence-shadow);
    transform: translateY(-2px);
}

.cadence-related-item img {
    width: clamp(70px, 12vw, 90px);
    height: clamp(70px, 12vw, 90px);
    object-fit: cover;
    border-radius: var(--cadence-radius);
    flex-shrink: 0;
}

.cadence-related-content {
    flex: 1;
    min-width: 0;
}

.cadence-related-title {
    font-size: clamp(13px, 1.8vw, 14px);
    font-weight: 600;
    margin: 0 0 var(--cadence-spacing-xs);
    line-height: 1.5;
}

.cadence-related-title a {
    color: var(--cadence-text);
    text-decoration: none;
    transition: var(--cadence-transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cadence-related-title a:hover {
    color: var(--cadence-primary);
}

.cadence-related-meta {
    font-size: clamp(11px, 1.5vw, 12px);
    color: var(--cadence-text-light);
    display: flex;
    gap: var(--cadence-spacing-sm);
    flex-wrap: wrap;
}

.cadence-related-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Share Section */
.cadence-share-section {
    margin: clamp(24px, 4vw, 32px) 0;
    padding: clamp(20px, 3vw, 32px);
    background: linear-gradient(135deg, var(--cadence-bg), var(--cadence-bg-light));
    border-radius: var(--cadence-radius-lg);
    text-align: center;
    border: 1px solid var(--cadence-border-light);
}

.cadence-share-title {
    font-size: clamp(17px, 2.5vw, 20px);
    font-weight: 700;
    margin: 0 0 clamp(16px, 2.5vw, 20px);
    color: var(--cadence-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--cadence-spacing-sm);
    flex-wrap: wrap;
}

.cadence-share-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: clamp(10px, 1.5vw, 12px);
    width: 100%;
}

.cadence-share-btn {
    padding: clamp(10px, 1.8vw, 14px) clamp(16px, 2.5vw, 20px);
    border: 2px solid transparent;
    border-radius: var(--cadence-radius);
    font-size: clamp(13px, 1.8vw, 14px);
    font-weight: 600;
    cursor: pointer;
    transition: var(--cadence-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--cadence-spacing-sm);
    text-decoration: none;
    font-family: inherit;
    background: var(--cadence-white);
    color: var(--cadence-text);
}

.cadence-share-btn:hover,
.cadence-share-btn:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--cadence-shadow);
    outline: none;
}

.cadence-share-btn i {
    font-size: clamp(14px, 2vw, 16px);
}

/* اصلاح رنگ‌بندی دکمه‌های اشتراک */
.cadence-share-twitter { border-color: #1DA1F2; color: #1DA1F2; }
.cadence-share-twitter:hover { background: #1DA1F2; color: white; }

.cadence-share-facebook { border-color: #1877F2; color: #1877F2; }
.cadence-share-facebook:hover { background: #1877F2; color: white; }

.cadence-share-linkedin { border-color: #0A66C2; color: #0A66C2; }
.cadence-share-linkedin:hover { background: #0A66C2; color: white; }

.cadence-share-telegram { border-color: #0088cc; color: #0088cc; }
.cadence-share-telegram:hover { background: #0088cc; color: white; }

.cadence-share-whatsapp { border-color: #25D366; color: #25D366; }
.cadence-share-whatsapp:hover { background: #25D366; color: white; }

.cadence-share-email { border-color: var(--cadence-error); color: var(--cadence-error); }
.cadence-share-email:hover { background: var(--cadence-error); color: white; }

.cadence-share-copy { border-color: var(--cadence-info); color: var(--cadence-info); }
.cadence-share-copy:hover { background: var(--cadence-info); color: white; }

.cadence-share-print { border-color: var(--cadence-text); color: var(--cadence-text); }
.cadence-share-print:hover { background: var(--cadence-text); color: white; }

/* Author Box */
.cadence-author-box {
    margin: clamp(24px, 4vw, 32px) 0;
    padding: clamp(20px, 3vw, 32px);
    background: linear-gradient(135deg, var(--cadence-white) 0%, #fafbfc 100%);
    border: 1px solid var(--cadence-border-light);
    border-radius: var(--cadence-radius-lg);
    position: relative;
    overflow: hidden;
}

.cadence-author-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--cadence-primary), var(--cadence-accent));
}

.cadence-author-box-title {
    font-size: clamp(16px, 2.5vw, 18px);
    font-weight: 700;
    margin: 0 0 clamp(16px, 2.5vw, 20px);
    color: var(--cadence-secondary);
}

.cadence-author-info {
    display: flex;
    gap: clamp(16px, 2.5vw, 20px);
    align-items: start;
}

.cadence-author-avatar {
    flex-shrink: 0;
}

.cadence-author-avatar img {
    width: clamp(60px, 10vw, 80px);
    height: clamp(60px, 10vw, 80px);
    border-radius: 50%;
    border: 3px solid var(--cadence-primary);
}

.cadence-author-details {
    flex: 1;
    min-width: 0;
}

.cadence-author-name {
    font-size: clamp(16px, 2.5vw, 18px);
    font-weight: 700;
    margin: 0 0 var(--cadence-spacing-xs);
}

.cadence-author-name a {
    color: var(--cadence-secondary);
    text-decoration: none;
    transition: var(--cadence-transition);
}

.cadence-author-name a:hover {
    color: var(--cadence-primary);
}

.cadence-author-meta {
    font-size: clamp(12px, 1.8vw, 13px);
    color: var(--cadence-text-light);
    margin-bottom: var(--cadence-spacing-sm);
}

.cadence-author-bio {
    font-size: clamp(13px, 1.8vw, 14px);
    color: var(--cadence-text);
    line-height: 1.6;
}

.cadence-author-bio p {
    margin: 0;
}

/* Back to Top */
.cadence-back-to-top {
    position: fixed;
    bottom: clamp(16px, 3vw, 32px);
    left: clamp(16px, 3vw, 32px);
    width: clamp(48px, 8vw, 56px);
    height: clamp(48px, 8vw, 56px);
    background: linear-gradient(135deg, var(--cadence-primary), var(--cadence-primary-light));
    color: var(--cadence-white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(16px, 2.5vw, 18px);
    cursor: pointer;
    box-shadow: 0 4px 16px var(--cadence-shadow);
    transition: var(--cadence-transition);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}

.cadence-back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.cadence-back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--cadence-shadow-hover);
}

/* Loading & Error States */
.cadence-loading {
    text-align: center;
    padding: clamp(24px, 4vw, 32px);
    color: var(--cadence-text-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--cadence-spacing-sm);
}

.cadence-loading i {
    font-size: clamp(28px, 5vw, 32px);
    color: var(--cadence-primary);
    animation: spin 1s linear infinite;
}

.cadence-error {
    text-align: center;
    padding: clamp(16px, 3vw, 24px);
    color: var(--cadence-error);
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.2);
    border-radius: var(--cadence-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--cadence-spacing-sm);
    font-size: clamp(13px, 1.8vw, 14px);
}

/* Toast Notifications */
.cadence-toast {
    position: fixed;
    bottom: clamp(16px, 3vw, 32px);
    right: clamp(16px, 3vw, 32px);
    background: var(--cadence-white);
    padding: clamp(12px, 2vw, 16px) clamp(16px, 2.5vw, 24px);
    border-radius: var(--cadence-radius);
    box-shadow: 0 8px 32px var(--cadence-shadow-hover);
    display: flex;
    align-items: center;
    gap: clamp(12px, 2vw, 16px);
    font-size: clamp(13px, 1.8vw, 14px);
    max-width: min(90vw, 400px);
    min-width: min(80vw, 280px);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--cadence-transition);
    z-index: 10000;
    border: 1px solid var(--cadence-border-light);
}

.cadence-toast.show {
    transform: translateY(0);
    opacity: 1;
}

.cadence-toast-success {
    border-right: 4px solid var(--cadence-success);
}

.cadence-toast-error {
    border-right: 4px solid var(--cadence-error);
}

.cadence-toast-success i {
    color: var(--cadence-success);
}

.cadence-toast-error i {
    color: var(--cadence-error);
}

.cadence-toast-content {
    flex: 1;
    word-break: break-word;
}

.cadence-toast-close {
    background: none;
    border: none;
    color: var(--cadence-text-light);
    cursor: pointer;
    padding: var(--cadence-spacing-xs);
    transition: var(--cadence-transition);
    border-radius: var(--cadence-radius);
    flex-shrink: 0;
}

.cadence-toast-close:hover {
    color: var(--cadence-text);
    background: var(--cadence-bg);
}

/* Animations */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

.cadence-animate-in {
    animation: fadeInUp 0.6s ease-out;
}

/* Mobile TOC */
.cadence-toc-toggle {
    position: fixed;
    bottom: clamp(80px, 12vw, 100px);
    left: clamp(16px, 3vw, 24px);
    width: clamp(48px, 8vw, 56px);
    height: clamp(48px, 8vw, 56px);
    background: var(--cadence-secondary);
    color: var(--cadence-white);
    border: none;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: clamp(16px, 2.5vw, 18px);
    cursor: pointer;
    box-shadow: 0 4px 16px var(--cadence-shadow);
    transition: var(--cadence-transition);
    z-index: 1001;
}

.cadence-toc-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--cadence-transition);
    z-index: 999;
}

.cadence-toc-backdrop.show {
    opacity: 1;
    visibility: visible;
}

/* ======================================
   RESPONSIVE BREAKPOINTS
   ====================================== */

/* Tablet (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    :root {
        --cadence-spacing-lg: 20px;
        --cadence-spacing-xl: 28px;
    }
    
    .cadence-post-header {
        padding: clamp(40px, 6vw, 50px) 0;
    }
}

/* Mobile & Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
    .cadence-content-wrapper {
        grid-template-columns: 1fr;
    }

    .cadence-sidebar {
        order: -1;
        position: static;
        max-height: none;
    }

    .cadence-widget {
        position: static;
        margin-bottom: var(--cadence-spacing-md);
    }

    .cadence-toc-toggle {
        display: flex;
    }

    /* TOC Mobile Drawer */
    .cadence-toc-widget {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        max-height: 70vh;
        z-index: 1000;
        transform: translateY(100%);
        transition: transform 0.3s ease;
        border-radius: var(--cadence-radius-lg) var(--cadence-radius-lg) 0 0;
        margin: 0;
        box-shadow: 0 -4px 20px var(--cadence-shadow-hover);
    }

    .cadence-toc-widget.show {
        transform: translateY(0);
    }

    .cadence-toc-widget .cadence-widget-content {
        max-height: 60vh;
        overflow-y: auto;
        padding: var(--cadence-spacing-md);
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --cadence-spacing-lg: 16px;
        --cadence-spacing-xl: 24px;
    }
    
    .cadence-post-meta {
        gap: clamp(8px, 2vw, 12px);
    }

    .cadence-share-buttons {
        grid-template-columns: 1fr;
    }

    .cadence-share-btn {
        width: 100%;
    }

    .cadence-related-item {
        flex-direction: column;
    }

    .cadence-related-item img {
        width: 100%;
        height: clamp(160px, 30vw, 200px);
    }

    .cadence-author-info {
        flex-direction: column;
        text-align: center;
    }

    .cadence-author-avatar {
        margin: 0 auto;
    }

    .cadence-form-group {
        gap: var(--cadence-spacing-md);
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    :root {
        --cadence-spacing-sm: 6px;
        --cadence-spacing-md: 12px;
        --cadence-spacing-lg: 16px;
        --cadence-spacing-xl: 20px;
    }

    .cadence-post-layout {
        padding: 0 12px;
    }

    .cadence-main-content {
        padding: clamp(16px, 4vw, 20px);
        border-radius: var(--cadence-radius);
    }

    .cadence-breadcrumb-list {
        gap: 6px;
    }

    .cadence-meta-item {
        padding: 6px 10px;
        font-size: 12px;
    }

    .cadence-back-to-top {
        bottom: 16px;
        left: 16px;
        width: 44px;
        height: 44px;
    }

    .cadence-toc-toggle {
        bottom: 70px;
        left: 16px;
        width: 44px;
        height: 44px;
    }

    .cadence-toast {
        bottom: 16px;
        right: 16px;
        max-width: calc(100vw - 32px);
        min-width: auto;
    }
}

/* Extra Small Mobile (max-width: 360px) */
@media (max-width: 360px) {
    .cadence-post-header {
        padding: 24px 0;
    }

    .cadence-main-content {
        padding: 16px 12px;
    }

    .cadence-widget {
        padding: 16px 12px;
    }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .cadence-post-header {
        padding: 30px 0;
    }

    .cadence-toc-widget {
        max-height: 80vh;
    }

    .cadence-toc-widget .cadence-widget-content {
        max-height: 70vh;
    }
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --cadence-bg: #1a1a1a;
        --cadence-bg-light: #2a2a2a;
        --cadence-white: #121212;
        --cadence-text: #e0e0e0;
        --cadence-text-light: #a0a0a0;
        --cadence-border: #3a3a3a;
        --cadence-border-light: #2a2a2a;
    }
}

/* Print Styles */
@media print {
    .cadence-sidebar,
    .cadence-share-section,
    .cadence-back-to-top,
    .cadence-toc-toggle,
    .cadence-reading-progress-bar {
        display: none !important;
    }

    .cadence-content-wrapper {
        grid-template-columns: 1fr;
    }

    .cadence-main-content {
        box-shadow: none;
        padding: 0;
        background: transparent;
    }

    .cadence-content-body {
        font-size: 12pt;
        line-height: 1.6;
    }
}

/* Accessibility - Focus Styles */
.cadence-single-post *:focus-visible {
    outline: 2px solid var(--cadence-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

.cadence-single-post button:focus-visible {
    box-shadow: 0 0 0 3px var(--cadence-shadow-focus);
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --cadence-primary: #004d4d;
        --cadence-text: #000000;
        --cadence-bg: #ffffff;
        --cadence-border: #000000;
    }

    .cadence-share-btn,
    .cadence-form-group button {
        border-width: 3px;
    }
}