/* User Dashboard Styles - Complete implementation for user.html */

/* ============================================================================
   CSS CUSTOM PROPERTIES & UTILITIES
   ============================================================================ */

:root {
    /* Colors */
    --primary-blue: #1877f2;
    --primary-blue-hover: #166fe5;
    --text-primary: #1c1e21;
    --text-secondary: #65676b;
    --border-color: #dadce0;
    --border-light: #e5e7eb;
    --bg-white: #ffffff;
    --bg-light: #f0f2f5;
    --bg-lighter: #f8f9fa;
    --bg-dark: #18191a;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-xxl: 24px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 20px;
    --radius-xl: 25px;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hero: 0 4px 12px rgba(0, 0, 0, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Glassmorphism Effects */
    --glass-nav-bg: linear-gradient(135deg, rgba(45, 55, 72, 0.85) 0%, rgba(26, 32, 44, 0.85) 100%);
    --glass-nav-bg-light: linear-gradient(135deg, rgba(45, 55, 72, 0.75) 0%, rgba(26, 32, 44, 0.75) 100%);
    --glass-border: 1.5px solid rgba(79, 172, 254, 0.3);
    --glass-border-hover: rgba(79, 172, 254, 0.5);
    --glass-blur: blur(20px);
    --glass-blur-light: blur(10px);
    
    /* Hero Section Variables */
    --hero-overlay-dark: rgba(0, 0, 0, 0.1);
    --hero-glass-bg: rgba(255, 255, 255, 0.08);
    --hero-glass-bg-hover: rgba(255, 255, 255, 0.15);
    --hero-glass-border: rgba(255, 255, 255, 0.15);
    --hero-glass-border-hover: rgba(255, 255, 255, 0.25);
    --hero-text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    --hero-text-shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.34;
}

/* ============================================================================
   UTILITY CLASSES - Reusable Components
   ============================================================================ */

/* Avatar Utilities */
.avatar-sm { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.avatar-md { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.avatar-lg { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.avatar-xl { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }

/* Button Utilities */
.btn-primary {
    background: var(--primary-blue);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-fast);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-blue-hover);
}

.btn-primary:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-rounded {
    border-radius: 20px;
}

/* Glassmorphism Utilities */
.glass-nav {
    background: var(--glass-nav-bg);
    backdrop-filter: var(--glass-blur);
    border: var(--glass-border);
}

.glass-light {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: var(--glass-blur);
}

/* Input Utilities */
.input-rounded {
    padding: 10px 14px;
    border: 1px solid var(--border-light);
    border-radius: 20px;
    resize: none;
    font-size: 14px;
    font-family: inherit;
}

.input-rounded:focus {
    outline: none;
    border-color: var(--primary-blue);
}

/* ============================================================================
   TOP NAVIGATION
   ============================================================================ */

.top-nav {
    background: var(--glass-nav-bg);
    backdrop-filter: var(--glass-blur);
    border-bottom: var(--glass-border);
    padding: 8px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    height: 56px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.logo {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.search-bar {
    display: flex;
    align-items: center;
    background: var(--glass-nav-bg-light);
    backdrop-filter: var(--glass-blur-light);
    border: var(--glass-border);
    border-radius: 20px;
    padding: 6px 12px;
    min-width: 240px;
    height: 32px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.search-bar input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    font-size: 15px;
    color: #e2e8f0;
}

.search-bar input::placeholder {
    color: #a0aec0;
}

.search-bar button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.15) 0%, rgba(0, 242, 254, 0.15) 100%);
    backdrop-filter: var(--glass-blur-light);
    border: var(--glass-border);
    cursor: pointer;
    padding: 8px;
    border-radius: 10px;
    transition: all var(--transition-normal);
    box-shadow: 0 2px 8px rgba(79, 172, 254, 0.2);
}

.mobile-menu-btn:hover {
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.25) 0%, rgba(0, 242, 254, 0.25) 100%);
    border-color: var(--glass-border-hover);
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.4);
    transform: scale(1.05);
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background: #4facfe;
    margin: 2.5px 0;
    transition: 0.3s;
    transform-origin: center;
    border-radius: 1px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    background: #00f2fe;
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    background: #00f2fe;
}

/* Desktop Navigation Buttons */
.desktop-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.nav-btn {
    background: var(--glass-nav-bg-light);
    backdrop-filter: var(--glass-blur-light);
    border: var(--glass-border);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    cursor: pointer;
    font-size: 14px;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.nav-btn:hover {
    background: linear-gradient(135deg, rgba(45, 55, 72, 0.95) 0%, rgba(26, 32, 44, 0.95) 100%);
    border-color: var(--glass-border-hover);
    transform: scale(1.1);
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: #e41e3f;
    color: white;
    border-radius: 10px;
    padding: 2px 6px;
    font-size: 12px;
    font-weight: bold;
    min-width: 16px;
    text-align: center;
}

.user-avatar {
    background: none;
    border: none;
    cursor: pointer;
    border-radius: 50%;
    overflow: hidden;
    width: 32px;
    height: 32px;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-menu {
    position: relative;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    display: none;
    z-index: 1000;
    margin-top: 8px;
}

.user-dropdown.active {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 12px var(--spacing-lg);
    text-decoration: none;
    color: var(--text-primary);
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    font-size: 15px;
}

.dropdown-item:hover {
    background-color: var(--bg-light);
}

.logout-btn {
    color: #e41e3f;
}

/* ============================================================================
   MOBILE MENU
   ============================================================================ */

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
}

.mobile-menu-overlay.active {
    display: block;
}

.mobile-menu {
    position: fixed;
    left: 0;
    top: 56px;
    bottom: 0;
    width: 280px;
    background: var(--glass-nav-bg);
    backdrop-filter: var(--glass-blur);
    z-index: 999;
    box-shadow: 2px 0 10px rgba(0,0,0,0.3);
    border-right: var(--glass-border);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.mobile-menu-header h2 {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 24px;
    font-weight: 300;
    margin: 0;
}

.mobile-menu-close {
    background: none;
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    transition: transform 0.2s ease;
}

.mobile-menu-close:hover {
    transform: scale(1.1);
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: var(--glass-blur);
    padding: 20px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-section {
    margin-bottom: 10px;
}

.mobile-menu-section h4 {
    color: rgba(255,255,255,0.6);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    padding: 0 16px;
}

.mobile-menu-items {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    font-size: 15px;
    width: 100%;
    text-align: left;
}

.mobile-menu-item:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.1);
    transform: translateX(4px);
}

.mobile-menu-item.active {
    background: rgba(255,255,255,0.15);
    color: white;
    font-weight: 600;
    border-color: rgba(255,255,255,0.2);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.menu-icon {
    font-size: 20px;
    width: 24px;
    text-align: center;
}

.menu-text {
    font-size: 15px;
}

.mobile-menu-user {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: rgba(255,255,255,0.08);
    border-radius: 12px;
    margin-top: auto;
    border: 1px solid rgba(255,255,255,0.1);
}

.mobile-menu-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.mobile-menu-user-info h3 {
    margin: 0;
    color: white;
    font-size: 15px;
    font-weight: 600;
}

.mobile-menu-user-info p {
    margin: 4px 0 0 0;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
}

.mobile-menu-footer {
    padding-top: 0;
    margin-top: 0;
}

.mobile-menu-logout {
    width: 100%;
    padding: 12px 16px;
    background: rgba(220, 53, 69, 0.8);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.mobile-menu-logout:hover {
    background: rgba(220, 53, 69, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.4);
}

/* ============================================================================
   MAIN LAYOUT
   ============================================================================ */

.main-layout {
    display: flex;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.desktop-nav-container {
    width: 280px;
    flex-shrink: 0;
}

/* ============================================================================
   FEED STYLES
   ============================================================================ */

.feed-main {
    flex: 1;
    min-width: 0;
}

.post-item { 
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    transition: var(--transition-fast);
}

.post-item:hover {
    box-shadow: var(--shadow-md);
}

.post-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    gap: 12px;
    margin-bottom: 12px;
    position: relative;
}
/* Follow Button in Post Header */
.post-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    position: relative;
}

.post-follow-btn {
    margin-left: auto;
    padding: 6px 16px;
    font-size: 0.813rem;
    font-weight: 600;
    border: none;
    background: var(--primary-color, #1877f2);
    color: white;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.post-follow-btn:hover {
    background: var(--primary-dark, #1558b0);
    transform: translateY(-1px);
}

.post-follow-btn.following {
    background: var(--bg-secondary, #f3f4f6);
    color: var(--text-secondary, #6b7280);
    border: 1px solid var(--border-color, #e5e7eb);
}

.post-follow-btn.following:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

.post-follow-btn.following:hover::before {
    content: 'Unfollow';
    position: absolute;
}

.post-follow-btn.following:hover {
    color: transparent;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .post-follow-btn {
        padding: 5px 12px;
        font-size: 0.75rem;
    }
}
.post-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    margin-right: var(--spacing-md);
}

.post-user-info h4 {
    margin: 0;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
}


.post-time {
    color: var(--text-secondary);
    font-size: 12px;
}

.post-content {
    padding: var(--spacing-lg);
    color: var(--text-primary);
    line-height: 1.5;
}

.post-media {
    margin: var(--spacing-md) 0;
}

.post-media img {
    width: 100%;
    max-height: 400px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.post-actions {
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.post-action {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.post-action span:last-child {
    font-weight: 500;
}

.post-action.liked span:last-child {
    color: var(--primary-blue);
}

.post-action:hover:not(:disabled) {
    background: var(--bg-lighter);
    color: var(--text-primary);
}

.post-action:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.post-action.active {
    color: var(--primary-blue);
}

/* Reaction Picker */
.reaction-container {
    position: relative;
}

.reaction-picker {
    position: absolute;
    bottom: 100%;
    left: 0;
    display: flex;
    gap: 8px;
    padding: 8px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 10;
    margin-bottom: 8px;
}

.reaction-picker button {
    padding: 8px 12px;
    font-size: 20px;
    border: none;
    background: none;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s;
}

.reaction-picker button:hover {
    background: var(--bg-lighter);
    transform: scale(1.2);
}

.reaction-picker button.active {
    background: var(--primary-blue);
    color: white;
    border-radius: 8px;
}

/* ============================================================================
   COMMENTS SECTION - Consolidated
   ============================================================================ */

/* Inline Comments */
.comments-section {
    border-top: 1px solid #e0e0e0;
    background: #fafafa;
    padding: 16px;
}

.comments-list-container {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 12px;
}

.comment-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid #e8e8e8;
}

.comment-item:last-child {
    border-bottom: none;
}

.comment-replies {
    margin-left: 44px;
    margin-top: 8px;
    padding-left: 12px;
    border-left: 2px solid #e8e8e8;
}

.comment-item.reply-comment {
    padding-left: 8px;
}

.comment-content-inline {
    flex: 1;
}

.comment-header-inline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.comment-username {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.comment-time-inline {
    font-size: 12px;
    color: #999;
}

.comment-text {
    font-size: 14px;
    color: #555;
    line-height: 1.5;
    margin-bottom: 8px;
}

.comment-actions {
    display: flex;
    gap: 16px;
    margin-top: 4px;
}

.comment-like-btn,
.reply-btn,
.collapse-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    padding: 4px 0;
}

.comment-like-btn {
    display: flex;
    align-items: center;
    gap: 4px;
}

.comment-like-btn:hover:not(:disabled),
.reply-btn:hover {
    color: var(--primary-blue);
}

.comment-like-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.reply-btn:hover {
    text-decoration: underline;
}

.collapse-btn {
    color: var(--primary-blue);
    padding: 4px 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.collapse-btn:hover {
    background: rgba(33, 150, 243, 0.1);
    border-radius: 4px;
}

.comments-overflow-warning {
    text-align: center;
    padding: 16px;
}

.comments-overflow-warning p {
    margin: 0 0 12px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.view-all-comments-btn {
    background: var(--primary-blue);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}

.view-all-comments-btn:hover {
    background: #1565c0;
}

/* Comments Modal */
.comments-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
}

.comments-modal-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 700px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.comments-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.comments-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.comments-modal-body {
    display: flex;
    flex-direction: column;
    max-height: calc(85vh - 80px);
    overflow: hidden;
}

.comments-list-modal {
    overflow-y: auto;
    padding: 16px;
    flex: 1;
}

/* Comment Input Form - Consolidated */
.comment-form,
.comment-input-container,
.reply-input-container {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.comment-form {
    padding: 16px;
    border-bottom: 1px solid #e0e0e0;
}

.comment-input-container {
    padding-top: 12px;
    border-top: 1px solid #e8e8e8;
}

.reply-section {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #e8e8e8;
}

/* Comment Input Fields - Consolidated */
.comment-form textarea,
.comment-input,
.reply-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid #e0e0e0;
    border-radius: 20px;
    resize: none;
    font-size: 14px;
    font-family: inherit;
}

.comment-input:focus,
.reply-input:focus {
    outline: none;
    border-color: var(--primary-blue);
}

/* Comment Submit Buttons - Consolidated */
.comment-form .comment-submit-btn,
.comment-submit-btn-inline,
.reply-submit-btn {
    background: var(--primary-blue);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
}

.comment-form .comment-submit-btn {
    align-self: flex-end;
    border-radius: 8px;
}

.reply-submit-btn {
    padding: 8px 16px;
}

.comment-form .comment-submit-btn:hover,
.comment-submit-btn-inline:hover,
.reply-submit-btn:hover {
    background: #1565c0;
}

.comment-submit-btn-inline:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.no-comments {
    text-align: center;
    padding: 20px;
    color: #999;
    font-size: 14px;
}

/* ============================================================================
   LOADING & NOTIFICATION STATES
   ============================================================================ */

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xxl);
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-light);
    border-top: 3px solid var(--primary-blue);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    color: white;
    font-weight: 500;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
}

.notification.show {
    transform: translateX(0);
}

.notification.success { background: #42b883; }
.notification.error { background: #e74c3c; }
.notification.info { background: var(--primary-blue); }

/* ============================================================================
   MODAL STYLES
   ============================================================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(250, 238, 238, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.modal-body {
    padding: var(--spacing-lg);
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

/* Followers/Following Modal */
.followers-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.followers-modal-content {
    background: var(--card-bg, #fff);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.followers-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.followers-modal-header h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--text-primary, #333);
}

.followers-modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.follower-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 10px;
    background: var(--bg-secondary, #f5f5f5);
    transition: transform 0.2s;
}

.follower-item:hover {
    transform: translateX(5px);
    background: var(--bg-hover, #ebebeb);
}

.follower-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.follower-info {
    flex: 1;
}

.follower-info h4 {
    margin: 0 0 4px 0;
    font-size: 1rem;
    color: var(--text-primary, #333);
}

.follower-info p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary, #666);
}

.btn-small {
    padding: 6px 16px;
    font-size: 0.875rem;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.no-data {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary, #666);
    font-size: 1rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary, #666);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.close-btn:hover {
    background: var(--bg-hover, #f0f0f0);
}

/* Friends/Following Modal */
.friends-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.friends-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.friends-modal-content {
    position: relative;
    background: var(--card-bg, #ffffff);
    border-radius: 16px;
    width: 90%;
    max-width: 480px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.friends-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
}

.friends-modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary, #6b7280);
    padding: 4px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.modal-close-btn:hover {
    background: var(--bg-hover, #f3f4f6);
    color: var(--text-primary, #1f2937);
}

.friends-modal-body {
    padding: 16px 24px;
    overflow-y: auto;
    flex: 1;
}

.friend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 12px;
    margin-bottom: 8px;
    background: var(--bg-secondary, #f9fafb);
    transition: all 0.2s;
}

.friend-item:hover {
    background: var(--bg-hover, #f3f4f6);
    transform: translateX(4px);
}

.friend-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color, #e5e7eb);
}

.friend-info {
    flex: 1;
    min-width: 0;
}

.friend-name {
    margin: 0 0 2px 0;
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.friend-fullname {
    margin: 0;
    font-size: 0.813rem;
    color: var(--text-secondary, #6b7280);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-unfollow {
    padding: 6px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color, #e5e7eb);
    background: white;
    color: var(--text-secondary, #6b7280);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-unfollow:hover {
    background: #fee;
    border-color: #fcc;
    color: #c00;
}

.no-friends {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary, #6b7280);
    font-size: 0.938rem;
    line-height: 1.6;
}

.friends-modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color, #e5e7eb);
    text-align: center;
}

.btn-load-more {
    padding: 10px 24px;
    font-size: 0.938rem;
    font-weight: 500;
    border: none;
    background: var(--primary-color, #1877f2);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-load-more:hover {
    background: var(--primary-dark, #1558b0);
    transform: translateY(-1px);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .friends-modal-content {
        width: 95%;
        max-height: 85vh;
    }
    
    .friend-item {
        gap: 10px;
    }
    
    .friend-avatar {
        width: 42px;
        height: 42px;
    }
    
    .btn-unfollow {
        padding: 5px 12px;
        font-size: 0.813rem;
    }
}

/* Image Preview Modal */
.image-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
}

.image-preview-content {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.image-preview-content img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.image-preview-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 24px;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    cursor: pointer;
}

/* Media Preview Container */
.image-preview-container {
    position: relative;
    margin-top: var(--spacing-md);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-lighter);
    padding: 8px;
}

#media-preview img,
#media-preview video,
#media-preview audio {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    border-radius: 4px;
}

#media-preview video { background: #000; }
#media-preview audio { display: block; }

.remove-image-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: rgba(20, 19, 19, 0.7);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 16px;
}

.media-caption {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-lighter);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-secondary);
    font-style: italic;
}

/* ============================================================================
   FEED CONTROLS
   ============================================================================ */

.feed-filter {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm);
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.filter-btn {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    font-weight: 500;
}

.filter-btn:hover {
    background: var(--bg-lighter);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--primary-blue);
    color: white;
}

.load-more-container {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.load-more-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-fast);
}

.load-more-btn:hover {
    background: var(--primary-blue-hover);
}

/* ============================================================================
   POST COMPOSER
   ============================================================================ */

.post-composer {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.composer-header {
    display: flex;
    align-items: flex-start;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
}

.composer-pic {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.composer-header textarea {
    flex: 1;
    border: none;
    resize: none;
    font-family: inherit;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    background: transparent;
    outline: none;
}

.composer-header textarea::placeholder {
    color: var(--text-secondary);
}

.composer-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-light);
}

.composer-options {
    display: flex;
    gap: var(--spacing-sm);
}

.option-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    font-size: 14px;
}

.option-btn:hover {
    background: var(--bg-lighter);
    color: var(--text-primary);
}

.post-btn {
    padding: var(--spacing-sm) var(--spacing-xl);
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-fast);
}

.post-btn:hover:not(:disabled) {
    background: var(--primary-blue-hover);
}

.post-btn:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
}

/* ============================================================================
   BACKGROUND CUSTOMIZATION PANEL
   ============================================================================ */

.panel-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    display: none;
}

.panel-overlay.active {
    display: block;
}

.bg-customization-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    z-index: 999;
    display: none;
}

.bg-customization-panel.active {
    display: block;
}

.panel-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.panel-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.panel-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}

.panel-close:hover {
    color: var(--text-primary);
}

.panel-section {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
}

.panel-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.bg-color-grid,
.bg-gradient-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.bg-color-option,
.bg-gradient-option {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-fast);
}

.bg-color-option:hover,
.bg-gradient-option:hover {
    border-color: var(--primary-blue);
    transform: scale(1.1);
}

.custom-color-section {
    margin-top: var(--spacing-lg);
}

.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.color-picker {
    width: 60px;
    height: 40px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.color-picker-label {
    font-size: 14px;
    color: var(--text-primary);
}

.bg-image-upload {
    background: var(--bg-lighter);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.bg-image-upload:hover {
    border-color: var(--primary-blue);
    background: var(--bg-light);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.upload-text {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.upload-subtext {
    font-size: 14px;
    color: var(--text-secondary);
}

.bg-image-preview {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-md);
    display: none;
}

.bg-image-controls {
    display: none;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.bg-image-controls.active {
    display: flex;
    flex-wrap: wrap;
}

.bg-control-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    background: white;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition-fast);
}

.bg-control-btn:hover,
.bg-control-btn.active {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

.panel-actions {
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

.panel-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-fast);
}

.panel-btn-cancel {
    background: transparent;
    color: var(--text-secondary);
}

.panel-btn-cancel:hover {
    background: var(--bg-light);
    color: var(--text-primary);
}

.panel-btn-save {
    background: var(--primary-blue);
    color: white;
}

.panel-btn-save:hover {
    background: var(--primary-blue-hover);
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 20px;
    margin: 0 0 30px;
    width: 100%;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

.hero-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--hero-overlay-dark);
    z-index: 1;
}

/* Hide overlays and default background when custom background is applied */
.hero-section.has-custom-bg:not(.has-custom-image) {
    background: none !important;
}

.hero-section.has-custom-bg::before,
.hero-section.has-custom-bg::after {
    content: none !important;
    display: none !important;
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 30px;
    position: relative;
    z-index: 2;
    margin-bottom: 25px;
}

.hero-avatar {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.hero-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hero-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-quick-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.hero-avatar-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid var(--hero-glass-border);
    object-fit: cover;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    box-shadow: var(--shadow-hero);
}

.hero-avatar-img:hover {
    transform: scale(1.05);
    border-color: var(--hero-glass-border-hover);
}

.hero-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    text-shadow: var(--hero-text-shadow-lg);
    background: linear-gradient(45deg, #ffffff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1rem;
    margin: 0;
    opacity: 0.9;
    font-weight: 400;
    text-shadow: var(--hero-text-shadow);
}

/* Hero Buttons - Consolidated */
.hero-btn,
.hero-btn-mini {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: 2px solid var(--hero-glass-border);
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    min-width: 140px;
    justify-content: center;
}

.hero-btn-mini {
    padding: 8px 16px;
    font-size: 0.85rem;
    min-width: 100px;
}

.hero-btn-primary,
.hero-btn-mini {
    background: var(--hero-glass-bg);
    color: white;
    backdrop-filter: blur(10px);
}

.hero-btn-primary:hover,
.hero-btn-mini:hover {
    background: var(--hero-glass-bg-hover);
    border-color: var(--hero-glass-border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.hero-btn-secondary {
    background: rgba(0, 0, 0, 0.2);
    color: white;
    backdrop-filter: blur(10px);
}

.hero-btn-secondary:hover {
    background: rgba(0, 0, 0, 0.3);
    border-color: var(--hero-glass-border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.hero-btn-icon {
    font-size: 1.2rem;
}

.hero-btn-mini .hero-btn-icon {
    font-size: 1rem;
}

/* ============================================================================
   DESKTOP RESPONSIVE
   ============================================================================ */

@media (min-width: 769px) {
    .mobile-menu-btn {
        display: none;
    }
    
    body > .mobile-menu {
        display: none;
    }
    
    #desktop-navigation {
        display: block;
    }
    
    .desktop-nav-container {
        position: sticky;
        top: 80px;
        left: 0;
        width: 260px;
        z-index: 110;
        height: fit-content;
        padding: 10px;
        align-self: flex-start;
    }
    
    #desktop-navigation .mobile-menu-content {
        height: auto;
        max-height: none;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: var(--glass-blur);
        border-radius: 20px;
        padding: 1.5rem;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
        border: 1px solid rgba(43, 41, 41, 0.3);
    }
    
    .mobile-menu-overlay {
        display: none;
    }
    
    #desktop-navigation .mobile-menu-header {
        display: none;
    }
    
    #desktop-navigation .mobile-menu-section {
        margin-bottom: 1rem;
    }
    
    #desktop-navigation .mobile-menu-section h4 {
        font-size: 0.85rem;
        margin-bottom: 0.75rem;
        color: rgba(255, 255, 255, 0.8);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    
    #desktop-navigation .mobile-menu-items {
        gap: 0.5rem;
    }
    
    #desktop-navigation .mobile-menu-item {
        padding: 0.75rem 1rem;
        border-radius: 12px;
        font-size: 0.9rem;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    #desktop-navigation .mobile-menu-item:hover {
        background: rgba(59, 130, 246, 0.2);
        color: #ffffff;
        transform: translateY(-2px);
        box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
        border-color: rgba(59, 130, 246, 0.3);
    }
    
    #desktop-navigation .mobile-menu-item.active {
        background: rgba(59, 130, 246, 0.25);
        color: #ffffff;
        font-weight: 500;
        border-color: rgba(59, 130, 246, 0.4);
        box-shadow: 0 4px 20px rgba(59, 130, 246, 0.2);
    }
    
    #desktop-navigation .mobile-menu-footer {
        display: none;
    }
    
    #desktop-navigation .menu-icon {
        font-size: 1.1rem;
    }
    
    #desktop-navigation .menu-text {
        font-weight: 500;
    }
    
    .main-layout {
        display: flex !important;
        flex-direction: row !important;
        align-items: flex-start;
        gap: 20px;
        padding: 0 20px;
        max-width: 1800px;
        margin: 0 auto;
    }
    
    .desktop-nav-container {
        flex-shrink: 0;
        width: 280px;
    }
    
    .feed-main {
        flex: 1;
        max-width: 600px;
        margin: 0 auto;
        padding: 20px;
        background: #ffffff;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    }
}

/* ============================================================================
   MOBILE RESPONSIVE
   ============================================================================ */

@media (max-width: 768px) {
    .main-layout {
        flex-direction: column;
        padding: 10px;
        gap: 0;
        background: #f5f5f5;
    }
    
    .desktop-nav-container {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .search-bar {
        display: none;
    }
    
    .feed-main {
        max-width: 100%;
        padding: 15px;
        background: #ffffff;
        border-radius: 8px;
    }
    
    .hero-section {
        padding: 40px 0;
        margin-bottom: 20px;
    }
    
    .hero-container {
        padding: 0 15px;
    }
    
    .hero-content {
        flex-direction: column;
        align-items: center;
        gap: 20px;
        text-align: center;
    }
    
    .hero-info {
        text-align: center;
        align-items: center;
    }
    
    .hero-bottom {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .hero-quick-links {
        justify-content: center;
        width: 100%;
    }
    
    .hero-avatar-img {
        width: 70px;
        height: 70px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-btn-mini {
        flex: 1;
        min-width: auto;
        max-width: 120px;
    }
    
    .hero-btn {
        width: 100%;
        max-width: 280px;
        padding: 12px 25px;
    }
}

@media (max-width: 480px) {
    .post-header,
    .post-content,
    .composer-header {
        padding: var(--spacing-md);
    }
    
    .composer-footer,
    .post-actions {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .feed-filter {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .filter-btn {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}