/* ===============================
   Catálogo Audiovisual - Estilos Base
   =============================== */

/* Reset y Normalize */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background-color: #ffffff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.main-container {
    flex: 1;
}

/* CSS Variables */
:root {
    /* Colors */
    --primary-color: #667eea;
    --primary-dark: #5a6fd8;
    --primary-light: #798ff0;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #4CAF50;
    --warning-color: #ff9800;
    --error-color: #f44336;
    --info-color: #2196F3;
    
    /* Text Colors */
    --text-primary: #2c3e50;
    --text-secondary: #5a6c7d;
    --text-light: #8492a6;
    --text-muted: #bdc3c7;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* Border & Shadows */
    --border-color: #e2e8f0;
    --border-radius: 8px;
    --border-radius-sm: 6px;
    --border-radius-lg: 12px;
    --border-radius-xl: 20px;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ===============================
   Typography
   =============================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

strong, b {
    font-weight: var(--font-weight-semibold);
}

em, i {
    font-style: italic;
}

/* ===============================
   Layout Utilities
   =============================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

/* Contenedor de ancho completo que sustituye la estructura normal */
.app-full-width {
    width: 100%;
    min-height: calc(100vh - 60px); /* ajustar según la altura del navbar */
    margin: 0;
    padding: 0;
    background-color: var(--bg-light);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-1 * var(--spacing-sm));
}

.col {
    flex: 1;
    padding: 0 var(--spacing-sm);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

/* Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* ===============================
   Button Components
   =============================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    white-space: nowrap;
    user-select: none;
    background: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* Button Variants */
.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
}

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

.btn-success {
    background: var(--gradient-success);
    color: white;
    border: none;
}

.btn-warning {
    background: var(--warning-color);
    color: white;
    border: none;
}

.btn-error {
    background: var(--error-color);
    color: white;
    border: none;
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-xl {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-xl);
}

.btn-block {
    width: 100%;
}

.btn-circle {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    padding: 0;
}

/* ===============================
   Form Components
   =============================== */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control:disabled {
    background-color: var(--bg-tertiary);
    opacity: 0.6;
    cursor: not-allowed;
}

/* Form Control Sizes */
.form-control-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.form-control-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
}

/* Select */
select.form-control {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Textarea */
textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox & Radio */
.form-check {
    position: relative;
    display: block;
    padding-left: 1.5rem;
}

.form-check-input {
    position: absolute;
    top: 0.25rem;
    left: 0;
    height: 1rem;
    width: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.form-check-label {
    display: block;
    cursor: pointer;
}

/* ===============================
   Card Components
   =============================== */

.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-normal);
}

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

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

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

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* ===============================
   Modal Components
   =============================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-modal);
    width: 100%;
    height: 100%;
    background-color: var(--bg-overlay);
    display: none;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-dialog {
    position: relative;
    width: auto;
    max-width: 500px;
    margin: var(--spacing-lg);
}

.modal-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-title {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

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

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ===============================
   Alert Components
   =============================== */

.alert {
    position: relative;
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid transparent;
    border-radius: var(--border-radius);
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

.alert-error {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

/* ===============================
   Badge Components
   =============================== */

.badge {
    display: inline-block;
    padding: 0.25em 0.5em;
    font-size: 0.75em;
    font-weight: var(--font-weight-medium);
    line-height: 1;
    color: white;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--border-radius-sm);
}

.badge-primary { background-color: var(--primary-color); }
.badge-secondary { background-color: var(--text-secondary); }
.badge-success { background-color: var(--success-color); }
.badge-warning { background-color: var(--warning-color); }
.badge-error { background-color: var(--error-color); }
.badge-info { background-color: var(--info-color); }

/* ===============================
   Utility Classes
   =============================== */

/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

/* Position */
.position-static { position: static !important; }
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }

/* Spacing */
.m-0 { margin: 0 !important; }
.m-1 { margin: var(--spacing-xs) !important; }
.m-2 { margin: var(--spacing-sm) !important; }
.m-3 { margin: var(--spacing-md) !important; }
.m-4 { margin: var(--spacing-lg) !important; }
.m-5 { margin: var(--spacing-xl) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-xs) !important; }
.p-2 { padding: var(--spacing-sm) !important; }
.p-3 { padding: var(--spacing-md) !important; }
.p-4 { padding: var(--spacing-lg) !important; }
.p-5 { padding: var(--spacing-xl) !important; }

/* Text Alignment */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-justify { text-align: justify !important; }

/* Text Colors */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-error { color: var(--error-color) !important; }
.text-info { color: var(--info-color) !important; }

/* Font Weight */
.font-light { font-weight: var(--font-weight-light) !important; }
.font-normal { font-weight: var(--font-weight-normal) !important; }
.font-medium { font-weight: var(--font-weight-medium) !important; }
.font-semibold { font-weight: var(--font-weight-semibold) !important; }
.font-bold { font-weight: var(--font-weight-bold) !important; }

/* Border */
.border { border: 1px solid var(--border-color) !important; }
.border-0 { border: 0 !important; }
.border-top { border-top: 1px solid var(--border-color) !important; }
.border-right { border-right: 1px solid var(--border-color) !important; }
.border-bottom { border-bottom: 1px solid var(--border-color) !important; }
.border-left { border-left: 1px solid var(--border-color) !important; }

/* Border Radius */
.rounded { border-radius: var(--border-radius) !important; }
.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-xl { border-radius: var(--border-radius-xl) !important; }
.rounded-full { border-radius: 50% !important; }

/* Shadow */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }
.shadow-none { box-shadow: none !important; }

/* Width & Height */
.w-25 { width: 25% !important; }
.w-50 { width: 50% !important; }
.w-75 { width: 75% !important; }
.w-100 { width: 100% !important; }

.h-25 { height: 25% !important; }
.h-50 { height: 50% !important; }
.h-75 { height: 75% !important; }
.h-100 { height: 100% !important; }

/* ===============================
   Animation Classes
   =============================== */

.animate-fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

.animate-slide-up {
    animation: slideUp 0.5s ease-out;
}

.animate-bounce {
    animation: bounce 1s infinite;
}

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

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* ===============================
   Responsive Design
   =============================== */

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4,
    .grid-cols-5,
    .grid-cols-6 {
        grid-template-columns: 1fr;
    }
    
    .modal-dialog {
        margin: var(--spacing-sm);
    }
    
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }
    
    .btn-lg {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
    }
    
    h1 { font-size: var(--font-size-2xl); }
    h2 { font-size: var(--font-size-xl); }
    h3 { font-size: var(--font-size-lg); }
}

/* ===============================
   Print Styles
   =============================== */

@media print {
    .btn,
    .modal,
    .alert {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
}
/* Emoji toggle button inside inputs */
.emoji-inside {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.3em;
    color: var(--text-secondary);
    z-index: 2;
}
.emoji-inside:focus {
    outline: 2px solid var(--primary);
}
/* Reacciones en los posts */
.post-reactions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.reaction-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1em;
    color: var(--text-secondary);
    transition: color 0.2s;
}
.reaction-btn:hover, .reaction-btn.active {
    color: var(--primary);
}
/* Previsualización de imagen/video en el formulario de post */
.post-media-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    max-width: 100%;
}
.post-media-preview img,
.post-media-preview video {
    max-width: 320px;
    max-height: 240px;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px var(--shadow-color);
}
/* Limit profile image size in center-content (feed) */
.center-content .profile-avatar, .center-content .profile-img-md, .center-content .profile-img-sm, .center-content .profile-img-xs {
    max-width: 120px;
    max-height: 120px;
    width: auto;
    height: auto;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
:root {
    /* Color palette */
    --primary: #1877f2;
    --primary-hover: #166fe5;
    --secondary: #42b72a;
    --secondary-hover: #36a420;
    --danger: #ff4a4a;
    --warning: #f7b928;
    --success: #31a24c;
    --background: #ffffff;
    --surface: #f0f2f5;
    --card-bg: #ffffff;
    --text-primary: #050505;
    --text-secondary: #65676b;
    --border-color: #dddfe2;
    --divider: #ced0d4;
    --shadow-color: rgba(0, 0, 0, 0.1);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;

    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--surface);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

img {
    max-width: 100%;
}

/* Modern app layout */
.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-container {
    display: flex;
    flex: 1;
    padding-top: 60px; /* Height of fixed navbar */
}

.container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: var(--space-xl) var(--space-xl) var(--space-lg) var(--space-xl);
    min-height: 80vh;
}

/* Three-column grid layout */
.three-column-grid {
    display: grid;
    grid-template-columns: 260px minmax(0, 1200px) 260px;
    gap: 32px;
    margin-top: var(--space-xl);
    align-items: flex-start;
    width: 100%;
    max-width: none;
    margin-left: 0;
    margin-right: 0;
}
.center-content {
    max-width: 1200px;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
}
.center-content {
    max-width: 1100px;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
}
.center-content {
    max-width: 900px;
    width: 100%;
    margin-left: 0;
    margin-right: 0;
}
.center-content {
    max-width: 900px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

/* Navigation bar */
.navbar-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background-color: var(--card-bg);
    box-shadow: 0 1px 2px var(--shadow-color);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.navbar-left {
    display: flex;
    align-items: center;
}

.navbar-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    margin-right: var(--space-lg);
}

.navbar-logo i {
    margin-right: var(--space-xs);
}

.navbar-search {
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--surface);
    border-radius: 20px;
    padding: var(--space-xs) var(--space-md);
}

.navbar-search i {
    color: var(--text-secondary);
    margin-right: var(--space-xs);
}

.navbar-search input {
    border: none;
    background: none;
    outline: none;
    padding: var(--space-xs) 0;
    width: 240px;
    color: var(--text-primary);
}

.navbar-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.nav-tab {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    margin: 0 var(--space-xs);
}

.nav-tab i {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
}

.nav-tab:hover {
    background-color: var(--surface);
    color: var(--primary);
}

.nav-tab.active {
    color: var(--primary);
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary);
}

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

.navbar-icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--text-primary);
    background-color: var(--surface);
}

.navbar-icon:hover {
    background-color: var(--divider);
}

.navbar-icon.active {
    color: var(--primary);
}

.navbar-profile {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: none;
    cursor: pointer;
    padding: 0;
    overflow: hidden;
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: var(--danger);
    color: white;
    font-size: 11px;
    font-weight: bold;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Dropdown menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: 0 5px 15px var(--shadow-color);
    width: 300px;
    z-index: 1000;
    overflow: hidden;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: var(--space-md);
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--surface);
    color: var(--text-primary);
}

.dropdown-item i {
    margin-right: var(--space-md);
    width: 20px;
    text-align: center;
    color: var(--text-secondary);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--divider);
    margin: var(--space-xs) 0;
}

/* Mobile menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
}

.mobile-menu {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background-color: var(--card-bg);
    z-index: 999;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
    padding: var(--space-lg);
}

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

/* Sidebar modules */
.sidebar-module {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px var(--shadow-color);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.sidebar-module h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    font-weight: 600;
}

/* Ad and webinar cards */
.ad-card, .webinar-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: 0 1px 4px var(--shadow-color);
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.ad-card:last-child, .webinar-card:last-child {
    margin-bottom: 0;
}

.ad-card img, .webinar-card img {
    width: 100%;
    height: 140px;
    object-fit: cover;
}

.ad-card h4, .webinar-card h4 {
    font-size: 1rem;
    margin: var(--space-md);
    margin-bottom: var(--space-xs);
}

.ad-card p, .webinar-card p {
    font-size: 0.9rem;
    margin: 0 var(--space-md);
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
}

.webinar-date {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8rem;
    color: var(--primary);
    margin: 0 var(--space-md);
    margin-bottom: var(--space-md);
}

/* Post creation form */
.post-form-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px var(--shadow-color);
    margin-bottom: var(--space-lg);
    padding: var(--space-xl) var(--space-lg);
}

.post-form-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

/* Profile image in post form */
.post-form-header .profile-img-sm {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    margin-top: 4px;
}

/* Input area for post form */
.post-form-input-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.post-form-placeholder {
    width: 100%;
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.post-form-textarea {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--divider);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    resize: vertical;
    outline: none;
    transition: border-color var(--transition-fast);
}
.post-form-textarea:focus {
    border-color: var(--primary);
}
/* Post form actions horizontal */
.post-form-actions {
    display: flex;
    flex-direction: row;
    gap: var(--space-md);
    margin-top: var(--space-sm);
    justify-content: center;
}

.post-form-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.post-attachments {
    display: flex;
    gap: var(--space-sm);
}

.attachment-btn {
    background-color: var(--surface);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    cursor: pointer;
}

.attachment-btn:hover {
    background-color: var(--divider);
}

/* Post cards */
.post-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px var(--shadow-color);
    margin-bottom: var(--space-lg);
    padding: var(--space-lg);
}

.post-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-md);
}

.post-author {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.post-author .avatar-img {
    width: 40px;
    height: 40px;
    margin-right: var(--space-sm);
}

.author-info h4 {
    margin: 0;
    font-size: 1rem;
}

.post-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.post-content {
    margin-bottom: var(--space-md);
}

.post-content p {
    margin-bottom: var(--space-md);
}

.post-image {
    margin-bottom: var(--space-md);
}

.post-image img {
    width: 100%;
    border-radius: var(--radius-md);
    max-height: 400px;
    object-fit: contain;
}

.post-footer {
    display: flex;
    gap: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--divider);
}

.like-btn, .comment-btn {
    background: none;
    border: none;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: var(--space-xs) var(--space-sm);
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.like-btn:hover, .comment-btn:hover {
    background-color: var(--surface);
}

.like-btn.liked {
    color: var(--primary);
}

/* Comments section */
.comments-section {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--divider);
}

.comment-form {
    display: flex;
    margin-bottom: var(--space-md);
    gap: var(--space-sm);
}

.comment-form .avatar-img {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.comment-input-wrapper {
    flex-grow: 1;
    display: flex;
    background-color: var(--surface);
    border-radius: 20px;
    padding: var(--space-xs) var(--space-md);
}

.comment-input-wrapper input {
    flex-grow: 1;
    border: none;
    background: transparent;
    outline: none;
    padding: var(--space-xs) 0;
}

.comment-input-wrapper button {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    padding: 0 var(--space-xs);
}

.comment {
    display: flex;
    margin-bottom: var(--space-md);
    gap: var(--space-sm);
}

.comment .avatar-img {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.comment-content {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    padding: var(--space-sm) var(--space-md);
}

.comment-author {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: var(--space-xs);
}

.comment-text {
    font-size: 0.9rem;
}

/* User profile card */
.user-profile-card {
    text-align: center;
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.profile-header {
    margin-bottom: var(--space-md);
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin-bottom: var(--space-sm);
}

.profile-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.profile-bio {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.profile-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-weight: 600;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* No posts message */
.no-posts-message {
    text-align: center;
    padding: var(--space-xl);
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.no-posts-message i {
    font-size: 3rem;
    color: var(--divider);
    margin-bottom: var(--space-md);
}

.no-posts-message h3 {
    margin-bottom: var(--space-sm);
}

.no-posts-message p {
    color: var(--text-secondary);
}

/* Utils */
.loading-spinner {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-xl);
    color: var(--text-secondary);
    font-size: 1.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-dialog {
    width: 100%;
    max-width: 500px;
    margin: 0 var(--space-md);
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow-color);
}

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

.modal-header h3 {
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
}

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

.modal-footer {
    display: flex;
    justify-content: flex-end;
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--divider);
    gap: var(--space-sm);
}

/* Alert messages */
.alert {
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    font-weight: 500;
    opacity: 0.95;
}

.alert i {
    margin-right: var(--space-md);
}

.alert-message {
    flex: 1;
}

.alert-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    padding: 0;
    margin-left: var(--space-md);
    color: inherit;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.alert-close:hover {
    opacity: 1;
}

.alert.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert.warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

/* Responsive */
@media (max-width: 992px) {
    .three-column-grid {
        grid-template-columns: 1fr 2fr;
    }

    .three-column-grid > div:last-child {
        display: none; /* Hide right column on tablet */
    }

    .navbar-center {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .three-column-grid {
        grid-template-columns: 1fr;
    }

    .three-column-grid > div:first-child {
        display: none; /* Hide left column on mobile */
    }

    .navbar-search {
        display: none;
    }

    .post-form-footer {
        flex-direction: column;
        gap: var(--space-md);
    }

    .post-attachments {
        width: 100%;
        justify-content: space-between;
    }
}