/* General Styles */
:root {
    --primary-color: #4a90e2;
    --primary-dark: #357abd;
    --primary-light: #61a5fb;
    --accent-color: #ff6b6b;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #f5f6f7;
    --card-color: #fff;
    --border-radius: 10px;
    --shadow: 0 2px 8px rgba(0,0,0,0.07);
    --transition: all 0.2s ease;
}

body {
    background-color: var(--bg-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
}

/* Enhance Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Enhanced Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--card-color);
    box-shadow: var(--shadow);
    padding: 12px 0;
    transition: var(--transition);
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: bold;
    font-size: 1.7rem;
    letter-spacing: -0.5px;
}

.navbar-nav .nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    transition: var(--transition);
}

.navbar-nav .nav-link:hover {
    background-color: rgba(74, 144, 226, 0.1);
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link.active, .navbar-nav .nav-link[aria-current="page"] {
    color: var(--primary-color) !important;
    font-weight: 600;
    background-color: rgba(74, 144, 226, 0.1);
}

.navbar-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-light);
    transition: var(--transition);
}

.navbar-avatar:hover {
    transform: scale(1.05);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 22px;
    transition: var(--transition);
}

.navbar-user:hover {
    background-color: rgba(74, 144, 226, 0.1);
}

.navbar-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: 0 3px 12px rgba(0,0,0,0.15);
    min-width: 180px;
    display: none;
    flex-direction: column;
    margin-top: 10px;
    padding: 8px 0;
    animation: fadeIn 0.2s ease-out;
    z-index: 1001;
}

.navbar-user:hover .navbar-dropdown {
    display: flex;
}

.navbar-dropdown a {
    color: var(--text-color);
    padding: 12px 20px;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.navbar-dropdown a:hover {
    background: rgba(74, 144, 226, 0.1);
    color: var(--primary-color);
}

.navbar-dropdown:before {
    content: '';
    position: absolute;
    top: -5px;
    right: 20px;
    width: 10px;
    height: 10px;
    background: var(--card-color);
    transform: rotate(45deg);
}

/* Buttons */
.btn {
    border-radius: 50px;
    padding: 8px 16px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: none !important;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1) !important;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Cards & Containers */
.card, .post-card, .user-card, .admin-card, .create-post {
    background: var(--card-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    transition: var(--transition);
    border: none;
}

.card:hover, .post-card:hover {
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transform: translateY(-3px);
}

/* Post Styles */
.post-card {
    padding: 24px;
    position: relative;
}

.post-header {
    display: flex;
    align-items: center;
    margin-bottom: 18px;
}

.profile-picture {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 14px;
    border: 2px solid var(--bg-color);
}

.post-content {
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.5;
}

.post-actions {
    display: flex;
    gap: 24px;
    margin-top: 20px;
    border-top: 1px solid rgba(0,0,0,0.05);
    padding-top: 15px;
}

.post-action {
    color: var(--text-light);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 7px;
    background: none;
    border: none;
    padding: 8px 12px;
    font-size: 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.post-action:hover {
    color: var(--primary-color);
    background-color: rgba(74, 144, 226, 0.08);
}

.post-action i {
    font-size: 1.2rem;
}

.post-action.liked {
    color: var(--accent-color);
}

/* Create Post Form */
.create-post {
    padding: 24px;
    margin-bottom: 24px;
}

.create-post textarea {
    border-radius: 20px;
    padding: 15px;
    resize: none;
    transition: var(--transition);
    margin-bottom: 15px;
    border: 1px solid rgba(0,0,0,0.1);
}

.create-post textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.15);
}

.create-post-actions {
    display: flex;
    justify-content: space-between;
}

.create-post-media {
    display: flex;
    gap: 10px;
}

.media-option {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.2rem;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
}

.media-option:hover {
    background: rgba(0,0,0,0.05);
    color: var(--primary-color);
}

/* Comments */
.comment-section {
    margin-top: 20px;
    padding-left: 20px;
    max-height: 300px;
    overflow-y: auto;
}

.comment {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    animation: fadeIn 0.3s ease-out;
    position: relative;
}

.comment .profile-picture {
    width: 36px;
    height: 36px;
    margin-right: 0;
}

.comment-content {
    background: rgba(0,0,0,0.03);
    border-radius: 18px;
    padding: 10px 16px;
    position: relative;
    margin-bottom: 5px;
}

.comment-author {
    font-weight: 600;
    color: var(--text-color);
    margin-right: 5px;
}

.comment-actions {
    position: absolute;
    right: 0;
    top: 0;
    display: flex;
    gap: 5px;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.comment:hover .comment-actions {
    opacity: 1;
}

.comment-actions button {
    padding: 2px 5px;
    font-size: 0.8rem;
}

.comment-form {
    margin-top: 15px;
}

.comment-form textarea {
    resize: none;
    border-radius: 20px;
    padding: 10px 15px;
    border: 1px solid rgba(0,0,0,0.1);
}

.comment-form .input-group {
    position: relative;
}

.comment-form button {
    border-radius: 0 20px 20px 0;
}

/* Feature Cards */
.feature-card {
    background: var(--card-color);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: none;
}

.feature-card:hover {
    transform: translateY(-7px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.feature-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    background: rgba(74, 144, 226, 0.1);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 20px;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: white;
    padding: 120px 0;
    margin-bottom: 60px;
    position: relative;
    overflow: hidden;
}

.hero-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTQ0MCIgaGVpZ2h0PSI3NzAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGcgZmlsbD0ibm9uZSIgZmlsbC1ydWxlPSJldmVub2RkIj48Y2lyY2xlIHN0cm9rZT0iI2ZmZiIgc3Ryb2tlLW9wYWNpdHk9Ii4yIiBjeD0iMTYxIiBjeT0iNDM2IiByPSI2MCIvPjxwYXRoIGQ9Ik0xMjUwIDMwMGw1MC04Nm01MCAxNjdsNDAtMzNNODUwIDIwMGw1MCA3N200NCAxMzZsLTM0IDI0IiBzdHJva2U9IiNmZmYiIHN0cm9rZS1vcGFjaXR5PSIuMiIgc3Ryb2tlLXdpZHRoPSIyIi8+PC9nPjwvc3ZnPg==');
    opacity: 0.2;
}

/* Forms */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(74, 144, 226, 0.15);
}

/* User Cards */
.user-card {
    background: var(--card-color);
    border-radius: var(--border-radius);
    padding: 16px 24px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.user-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Profile Page Styles */
.profile-card {
    margin-bottom: 30px;
    transition: var(--transition);
}

.profile-card:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary-light);
    padding: 3px;
    background: white;
    margin: 0 auto;
    transition: var(--transition);
}

.profile-avatar:hover {
    transform: scale(1.05);
}

.profile-stats {
    padding: 20px 0;
    border-top: 1px solid rgba(0,0,0,0.05);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

.profile-bio {
    text-align: left;
    padding: 15px;
    background: rgba(0,0,0,0.02);
    border-radius: var(--border-radius);
}

.profile-actions {
    margin-top: 20px;
}

/* Login/Register Forms */
.auth-container {
    background: var(--card-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 450px;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 10px;
    font-weight: 600;
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    padding: 15px 20px;
    margin-bottom: 20px;
    border: none;
    animation: fadeIn 0.3s ease-out;
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    color: #28a745;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

/* Footer */
footer {
    background: var(--card-color);
    padding: 24px 0;
    text-align: center;
    color: var(--text-light);
}

/* Responsive Adjustments */
@media (max-width: 991px) {
    .navbar-user {
        margin-top: 10px;
    }
    .navbar-dropdown {
        right: 10px;
    }
    .create-post-actions {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 767px) {
    .hero-section {
        padding: 80px 0;
    }
    .post-actions {
        gap: 10px;
        justify-content: space-between;
    }
    .post-action {
        padding: 8px;
        font-size: 0.9rem;
    }
    .profile-picture {
        width: 40px;
        height: 40px;
    }
    .comment .profile-picture {
        width: 30px;
        height: 30px;
    }
}

/* Dark Mode - Add a toggle mechanism to activate */
.dark-mode {
    --primary-color: #5095e6;
    --primary-dark: #4080d0;
    --primary-light: #70a5fa;
    --text-color: #e0e0e0;
    --text-light: #a0a0a0;
    --bg-color: #121212;
    --card-color: #1e1e1e;
} 

.auth-container {
    background: var(--card-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 450px;
}