:root {
    --primary-bg: #0d1117;
    --secondary-bg: #161b22;
    --card-bg: #21262d;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent-color: #58a6ff;
    --success-color: #238636;
    --danger-color: #da3633;
    --warning-color: #d29922;
    --gradient: linear-gradient(135deg, #1f6feb 0%, #8b5cf6 100%);
}

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

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

/* Header */
header {
    background: var(--gradient);
    color: white;
    text-align: center;
    padding: 80px 20px;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 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="%23ffffff" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero {
    position: relative;
    z-index: 1;
}

.profile-section {
    max-width: 800px;
    margin: 0 auto;
}

/* Profile Photo Styles */
.profile-image {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
}

.profile-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.profile-photo:hover {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* Fallback for old icon style - remove this if not needed */
.profile-image i {
    display: none;
}

/* Mobile responsiveness for profile photo */
@media (max-width: 768px) {
    .profile-photo {
        width: 120px;
        height: 120px;
    }
}

@media (max-width: 480px) {
    .profile-photo {
        width: 100px;
        height: 100px;
    }
}

.hero h1 {
    font-size: 3.5em;
    margin-bottom: 15px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.4em;
    margin-bottom: 30px;
    opacity: 0.9;
    font-weight: 300;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.1);
    padding: 10px 20px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.contact-info a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.contact-info a:hover {
    opacity: 0.8;
}

/* Navigation */
nav {
    background: var(--secondary-bg);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 40px;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

nav a:hover {
    color: var(--accent-color);
    background: rgba(88, 166, 255, 0.1);
    transform: translateY(-2px);
}

/* Sections */
.section {
    max-width: 1000px;
    margin: 60px auto;
    padding: 40px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
}

.section-header {
    margin-bottom: 40px;
    text-align: center;
}

.section-header h2 {
    color: var(--text-primary);
    font-size: 2.5em;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

/* About Section */
.about-content p {
    font-size: 1.2em;
    line-height: 1.8;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-secondary);
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background: var(--secondary-bg);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.stat-item h3 {
    font-size: 2.5em;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.stat-item p {
    color: var(--text-secondary);
    font-weight: 600;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill-category {
    background: var(--secondary-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
}

.category-icon {
    margin-bottom: 20px;
}

.category-icon i {
    font-size: 3em;
    color: var(--accent-color);
}

.skill-category h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.4em;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.skill-tag {
    background: var(--border-color);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--accent-color);
    color: white;
    transform: scale(1.05);
}

.skill-tag.expert {
    background: var(--success-color);
    color: white;
}

.skill-tag.proficient {
    background: var(--warning-color);
    color: white;
}

/* Experience Timeline */
.timeline {
    position: relative;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 25px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

.timeline-icon {
    position: absolute;
    left: -25px;
    top: 0;
    width: 50px;
    height: 50px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2em;
}

.timeline-content {
    background: var(--secondary-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-left: 20px;
}

.timeline-content h3 {
    color: var(--accent-color);
    font-size: 1.4em;
    margin-bottom: 5px;
}

.timeline-content h4 {
    color: var(--text-primary);
    font-size: 1.2em;
    margin-bottom: 10px;
}

.duration {
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-content ul {
    list-style: none;
}

.timeline-content li {
    margin: 12px 0;
    padding-left: 25px;
    position: relative;
    color: var(--text-secondary);
}

.timeline-content li:before {
    content: "▶";
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-size: 0.8em;
}

/* Education */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.education-item {
    background: var(--secondary-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 25px;
}

.education-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2em;
    flex-shrink: 0;
}

.education-content h3 {
    color: var(--text-primary);
    font-size: 1.3em;
    margin-bottom: 8px;
}

.education-content h4 {
    color: var(--accent-color);
    margin-bottom: 8px;
}

.grade, .specialization {
    color: var(--text-secondary);
    font-size: 0.9em;
    background: var(--border-color);
    padding: 5px 12px;
    border-radius: 15px;
    display: inline-block;
    margin-top: 8px;
}

/* Blog Section */
.admin-panel, .login-form {
    background: var(--secondary-bg);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.admin-header h3 {
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logout-btn {
    background: var(--danger-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.3s;
}

.logout-btn:hover {
    opacity: 0.8;
}

.login-form h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.login-fields {
    display: flex;
    gap: 15px;
    justify-content: center;
    align-items: center;
}

.login-fields input {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--card-bg);
    color: var(--text-primary);
    font-size: 1em;
    min-width: 200px;
}

.login-fields button {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.3s;
}

.login-fields button:hover {
    opacity: 0.8;
}

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

.blog-controls button {
    background: var(--success-color);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
    transition: all 0.3s ease;
}

.blog-controls button:hover {
    background: #2ea043;
    transform: translateY(-2px);
}

.blog-post {
    background: var(--secondary-bg);
    padding: 30px;
    margin-bottom: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    position: relative;
}

.blog-post h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.6em;
}

.blog-date {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.blog-post p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.1em;
}

.delete-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--danger-color);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9em;
    transition: opacity 0.3s;
}

.delete-btn:hover {
    opacity: 0.8;
}

.add-post-form {
    background: var(--secondary-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: 30px;
}

.add-post-form h3 {
    margin-bottom: 25px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.add-post-form input,
.add-post-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1em;
    background: var(--card-bg);
    color: var(--text-primary);
    resize: vertical;
}

.add-post-form input:focus,
.add-post-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.form-buttons button {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.form-buttons button:first-child {
    background: var(--success-color);
    color: white;
}

.form-buttons button:last-child {
    background: var(--danger-color);
    color: white;
}

.form-buttons button:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

/* Footer */
footer {
    background: var(--secondary-bg);
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 60px;
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-content p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 1.5em;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5em;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-container {
        flex-direction: column;
        gap: 10px;
    }
    
    .section {
        margin: 20px 10px;
        padding: 25px;
    }
    
    .skills-grid,
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 30px;
    }
    
    .timeline-content {
        margin-left: 10px;
    }
    
    .education-item {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .login-fields {
        flex-direction: column;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--primary-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Blog Post Cards */
.blog-post-card {
    background: var(--secondary-bg);
    padding: 25px;
    margin-bottom: 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
}

.blog-post-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    border-color: var(--accent-color);
}

.blog-post-content h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
    font-size: 1.4em;
    transition: color 0.3s ease;
}

.blog-post-card:hover .blog-post-content h3 {
    color: var(--accent-color);
}

.blog-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 1em;
}

.read-more-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    transition: all 0.3s ease;
}

.read-more-btn:hover {
    background: #4a90e2;
    transform: translateX(5px);
}

/* Blog Modal */
.blog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1500;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
    backdrop-filter: blur(5px);
}

.blog-overlay.active {
    opacity: 1;
    visibility: visible;
}

.blog-modal {
    background: var(--card-bg);
    border-radius: 12px;
    max-width: 800px;
    max-height: 90vh;
    width: 100%;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.blog-overlay.active .blog-modal {
    transform: scale(1) translateY(0);
}

.blog-modal-header {
    background: var(--secondary-bg);
    padding: 25px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
}

.blog-modal-header h1 {
    color: var(--text-primary);
    font-size: 1.8em;
    font-weight: 600;
    margin: 0;
    line-height: 1.3;
}

.close-btn {
    background: var(--danger-color);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: #c23616;
    transform: rotate(90deg);
}

.blog-modal-meta {
    padding: 20px 30px;
    background: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 25px;
    align-items: center;
    flex-wrap: wrap;
}

.blog-modal-meta span {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
}

.reading-time {
    opacity: 0.8;
}

.blog-modal-content {
    padding: 30px;
    overflow-y: auto;
    max-height: calc(90vh - 200px);
    line-height: 1.7;
}

.blog-modal-content h1,
.blog-modal-content h2,
.blog-modal-content h3 {
    color: var(--text-primary);
    margin-top: 30px;
    margin-bottom: 15px;
}

.blog-modal-content h1 {
    font-size: 1.8em;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
}

.blog-modal-content h2 {
    font-size: 1.5em;
    color: var(--accent-color);
}

.blog-modal-content h3 {
    font-size: 1.3em;
}

.blog-modal-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.1em;
}

.blog-modal-content ul {
    margin: 20px 0;
    padding-left: 0;
    list-style: none;
}

.blog-modal-content li {
    color: var(--text-secondary);
    margin: 8px 0;
    padding-left: 25px;
    position: relative;
    font-size: 1.1em;
}

.blog-modal-content li:before {
    content: "▶";
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-size: 0.8em;
}

/* Custom Scrollbar for Modal */
.blog-modal-content::-webkit-scrollbar {
    width: 6px;
}

.blog-modal-content::-webkit-scrollbar-track {
    background: var(--secondary-bg);
    border-radius: 3px;
}

.blog-modal-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.blog-modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Remove old blog post styles - replace with blog-post-card */
.blog-post {
    display: none; /* Hide old style, we're using cards now */
}

/* Responsive Modal */
@media (max-width: 768px) {
    .blog-overlay {
        padding: 10px;
    }
    
    .blog-modal {
        max-height: 95vh;
        margin: 0;
    }
    
    .blog-modal-header {
        padding: 20px;
        flex-direction: column;
        align-items: flex-start;
    }
    
    .close-btn {
        position: absolute;
        top: 15px;
        right: 15px;
    }
    
    .blog-modal-content {
        padding: 20px;
        max-height: calc(95vh - 180px);
    }
    
    .blog-modal-meta {
        padding: 15px 20px;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}