/* Modern Color Palette */
:root {
    /* Professional Blue/Teal Palette */
    --primary: #0EA5E9;      /* Sky blue */
    --secondary: #0F766E;     /* Teal */
    --accent: #06B6D4;        /* Cyan */
    --success: #10B981;       /* Emerald */
    --warning: #F59E0B;       /* Amber */
    --danger: #EF4444;        /* Red */
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0EA5E9 0%, #0F766E 100%);
    --gradient-secondary: linear-gradient(135deg, #06B6D4 0%, #0EA5E9 100%);
    --gradient-accent: linear-gradient(135deg, #10B981 0%, #06B6D4 100%);
    
    /* Neutral Colors */
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

body {
    font-family: 'Vazirmatn', 'Tahoma', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    min-height: 100vh;
    direction: rtl;
    text-align: right;
}

/* Header */
header {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: 2.5rem 1rem 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    position: relative;
    z-index: 1;
}

header p {
    font-size: 1.2rem;
    opacity: 0.95;
    font-weight: 500;
    margin-bottom: 1.2rem;
    position: relative;
    z-index: 1;
}

.header-stats {
    background: rgba(255,255,255,0.15);
    padding: 0.6rem 1.5rem;
    border-radius: 25px;
    display: inline-block;
    font-weight: 600;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    position: relative;
    z-index: 1;
}

/* Main content */
main {
    max-width: 1400px;
    margin: 1.5rem auto;
    padding: 0 1rem;
}

/* Loading */
.loading {
    text-align: center;
    padding: 3rem 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Search section */
#search-section {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    border: 1px solid var(--gray-200);
}

.search-container {
    max-width: 800px;
    margin: 0 auto;
}

#search-input {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 12px;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    font-family: 'Vazirmatn', sans-serif;
    text-align: right;
    background: var(--gray-50);
}

#search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
    background: white;
}

.filter-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary);
    background: white;
    color: var(--primary);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-family: 'Vazirmatn', sans-serif;
    font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Profiles section */
#profiles-section {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    border: 1px solid var(--gray-200);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    color: var(--gray-800);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.view-controls {
    color: var(--gray-500);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Compact Square Profile Grid */
.profiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.2rem;
    margin-top: 1.5rem;
}

/* Compact Square Profile Cards */
.profile-card {
    background: white;
    border-radius: 12px;
    padding: 1.2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 12px 12px 0 0;
}

.profile-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.profile-rank {
    position: absolute;
    top: 0.8rem;
    left: 0.8rem;
    background: var(--gradient-secondary);
    color: white;
    padding: 0.3rem 0.7rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.75rem;
    box-shadow: var(--shadow);
}

.profile-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    text-align: center;
}

.profile-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid var(--primary);
    box-shadow: var(--shadow);
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.profile-avatar.default {
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    font-weight: bold;
}

.profile-info h3 {
    font-size: 1rem;
    color: var(--gray-800);
    margin-bottom: 0.2rem;
    font-weight: 600;
    word-break: break-all;
    line-height: 1.3;
}

.profile-username {
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--gray-50);
    padding: 0.2rem 0.6rem;
    border-radius: 8px;
}

.profile-stats {
    background: var(--gray-50);
    padding: 0.8rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--gray-200);
}

.followers-count {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
    margin-bottom: 0.2rem;
}

.followers-label {
    color: var(--gray-500);
    font-size: 0.8rem;
    font-weight: 500;
}

/* Load More Section */
.load-more-container {
    text-align: center;
    margin-top: 2rem;
    padding: 1.5rem;
    border-top: 2px dashed var(--gray-200);
}

.load-more-btn,
.show-all-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 12px;
    cursor: pointer;
    font-family: 'Vazirmatn', sans-serif;
    font-weight: 600;
    transition: all 0.3s ease;
    margin: 0 0.5rem;
}

.show-all-btn {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.load-more-btn:hover,
.show-all-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Posts section */
#posts-section {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.posts-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--gray-100);
    flex-wrap: wrap;
}

.back-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.7rem 1.5rem;
    border-radius: 12px;
    cursor: pointer;
    font-family: 'Vazirmatn', sans-serif;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.back-btn:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.blogger-info {
    flex: 1;
    min-width: 200px;
}

.blogger-info h2 {
    color: var(--gray-800);
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
    font-weight: 700;
}

.blogger-info p {
    color: var(--gray-500);
    font-size: 1rem;
    font-weight: 500;
}

.share-section {
    display: flex;
    align-items: center;
}

.share-btn {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
    padding: 0.7rem;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Compact Posts Grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

/* Compact Post Cards */
.post-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.post-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem;
    text-align: center;
}

.restaurant-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0;
}

.post-body {
    padding: 1.2rem;
}

.post-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.like-count {
    background: var(--gradient-accent);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-sm);
}

.post-date {
    color: var(--gray-500);
    font-size: 0.85rem;
    font-weight: 500;
}

.post-location {
    background: var(--gray-50);
    padding: 0.8rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1rem;
    border: 1px solid var(--gray-200);
}

.location-icon {
    font-size: 1rem;
    margin-left: 0.5rem;
}

.location-text {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-700);
}

.post-link {
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    display: block;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    font-size: 0.9rem;
}

.post-link:hover {
    background: var(--gradient-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--gray-600);
    margin-top: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

footer p {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .profiles-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 1rem;
    }
    
    .posts-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.2rem;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    header p {
        font-size: 1rem;
    }
    
    main {
        padding: 0 0.75rem;
    }
    
    .profiles-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 0.8rem;
    }
    
    .profile-card {
        padding: 1rem;
    }
    
    .profile-avatar {
        width: 50px;
        height: 50px;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .posts-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 250px;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .profiles-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 0.6rem;
    }
    
    .profile-card {
        padding: 0.8rem;
    }
    
    .profile-avatar {
        width: 45px;
        height: 45px;
    }
    
    .profile-info h3 {
        font-size: 0.9rem;
    }
    
    .profile-username {
        font-size: 0.75rem;
    }
    
    .followers-count {
        font-size: 1rem;
    }
}

/* Utility classes */
.hidden {
    display: none !important;
}

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

/* Animation for new content */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.4s ease-out;
}