/* assets/css/style.css */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --card-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --card-shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
}

body {
    background: linear-gradient(to bottom, #f8f9fa 0%, #e9ecef 100%);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* Navbar */
.navbar {
    background: var(--primary-gradient) !important;
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.nav-link {
    font-weight: 500;
    transition: all 0.3s;
}

.nav-link:hover {
    transform: translateY(-2px);
}

/* Cards */
.card {
    border: none;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-4px);
}

.hover-shadow:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-4px) scale(1.02);
}

.cursor-pointer {
    cursor: pointer;
}

/* Post Cards - Modern Instagram Style */
.post-card {
    background: white;
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
    overflow: hidden;
    transition: all 0.3s;
}

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

.post-header {
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #f0f0f0;
}

.post-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.post-content {
    padding: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.6;
}

.post-image {
    width: 100%;
    max-height: 600px;
    object-fit: cover;
}

.post-actions {
    padding: 1rem 1.5rem;
    display: flex;
    gap: 1rem;
    border-top: 1px solid #f0f0f0;
}

.action-btn {
    background: none;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-btn:hover {
    background: #f8f9fa;
    transform: scale(1.05);
}

.action-btn.liked {
    color: #e74c3c;
    background: #ffe5e5;
}

.action-btn i {
    font-size: 1.3rem;
}

/* Create Post Box */
.create-post-box {
    background: white;
    border-radius: 24px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
}

.create-post-box textarea {
    border: none;
    resize: none;
    font-size: 1.1rem;
    padding: 1rem;
    border-radius: 16px;
    background: #f8f9fa;
}

.create-post-box textarea:focus {
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Rating Stars */
.rating-stars {
    display: flex;
    gap: 0.5rem;
}

.rating-stars input {
    display: none;
}

.rating-stars label {
    font-size: 2.5rem;
    color: #ddd;
    cursor: pointer;
    transition: all 0.2s;
}

.rating-stars label:hover,
.rating-stars input:checked ~ label {
    color: #ffc107;
    transform: scale(1.2);
}

/* Comments */
.comment-item {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: all 0.2s;
}

.comment-item:hover {
    background: #f0f0f0;
}

/* Profile */
.profile-cover {
    position: relative;
}

.text-truncate-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Buttons */
.btn {
    border-radius: 12px;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    transition: all 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-primary {
    background: var(--primary-gradient);
    border: none;
}

.btn-primary:hover {
    background: var(--primary-gradient);
    opacity: 0.9;
}

/* Sidebar */
.sidebar-card {
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    position: sticky;
    top: 100px;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.post-card {
    animation: fadeIn 0.5s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
    .post-card {
        border-radius: 16px;
    }
    
    .post-actions {
        flex-wrap: wrap;
    }
    
    .sidebar-card {
        position: relative;
        top: 0;
        margin-top: 2rem;
    }
}

/* Dropdown Fix */
.dropdown-menu {
    border-radius: 16px;
    padding: 0.5rem;
    min-width: 200px;
}

.dropdown-item {
    border-radius: 8px;
    padding: 0.75rem 1rem;
}

.dropdown-item:hover {
    background: #f8f9fa;
}

/* Image Preview */
#imagePreview img {
    max-width: 100%;
    border-radius: 16px;
    margin-top: 1rem;
    box-shadow: var(--card-shadow);
}