/* Base Styles */
:root {
    --primary-color: #4a6fa5;
    --secondary-color: #166088;
    --accent-color: #4fc3f7;
    --background-color: #f8f9fa;
    --text-color: #333;
    --light-gray: #e0e0e0;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    
    /* Dark mode colors */
    --dark-primary-color: #6a8cbc;
    --dark-secondary-color: #2d8bbd;
    --dark-accent-color: #64d8ff;
    --dark-background-color: #121212;
    --dark-secondary-background: #1e1e1e;
    --dark-text-color: #e0e0e0;
    --dark-light-gray: #4a4a4a;
    --dark-box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

* {
    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-color);
    background-color: var(--background-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--secondary-color);
}

h2 {
    font-size: 2rem;
    margin: 1.5rem 0;
    color: var(--secondary-color);
}

h3 {
    font-size: 1.5rem;
    margin: 1rem 0;
    color: var(--primary-color);
}

p {
    margin-bottom: 1rem;
}

/* Navigation */
header {
    background-color: white;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* About Section */
.about-content {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.profile-image {
    flex: 1;
    text-align: center;
}

.profile-image img {
    max-width: 300px;
    border-radius: 50%;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.profile-image img:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

.about-text {
    flex: 2;
}

.birthplace-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.gallery-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s;
}

.gallery-item img:hover {
    transform: scale(1.05);
}

/* Education Section */
.education-section {
    background-color: white;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: var(--light-gray);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    left: 0;
    margin-bottom: 20px;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-date {
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.timeline-content {
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.achievements ul {
    list-style-position: inside;
    margin-left: 1rem;
}

/* Achievements section */
.achievements-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.achievement-item {
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.achievement-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

.achievement-content {
    padding: 1.5rem;
}

.achievement-content h3 {
    margin-top: 0;
    color: var(--primary-color);
}

/* Dark mode support for achievements */
.dark-mode .achievement-item {
    background-color: var(--dark-secondary-background);
}

/* Responsive adjustments for achievements */
@media (max-width: 768px) {
    .achievements-gallery {
        grid-template-columns: 1fr;
    }
}

/* Skills Section */
.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: space-between;
}

.skill-category {
    flex: 1;
    min-width: 250px;
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-item {
    background-color: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.resume-download {
    text-align: center;
    margin-top: 3rem;
}

.download-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

.download-btn:hover {
    background-color: var(--secondary-color);
}

/* Text Analysis Tool */
.tools-section {
    background-color: white;
}

.text-analyzer {
    background-color: var(--background-color);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.input-area {
    margin-bottom: 2rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    font-family: inherit;
    resize: vertical;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 1rem;
    transition: background-color 0.3s;
}

button:hover {
    background-color: var(--secondary-color);
}

.results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.result-box {
    background-color: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.result-box h3 {
    margin-top: 0;
    text-align: center;
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

/* Theme Toggle Button */
.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    box-shadow: var(--box-shadow);
    transition: background-color 0.3s, transform 0.2s;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* Dark Mode Styles */
body.dark-mode {
    background-color: var(--dark-background-color);
    color: var(--dark-text-color);
}

/* Dark Mode - Navigation */
.dark-mode header {
    background-color: var(--dark-secondary-background);
    box-shadow: var(--dark-box-shadow);
}

.dark-mode .logo {
    color: var(--dark-primary-color);
}

.dark-mode .nav-links a {
    color: var(--dark-text-color);
}

.dark-mode .nav-links a:hover {
    color: var(--dark-accent-color);
}

/* Dark Mode - Headings */
.dark-mode h1,
.dark-mode h2 {
    color: var(--dark-secondary-color);
}

.dark-mode h3 {
    color: var(--dark-primary-color);
}

/* Dark Mode - About Section */
.dark-mode .profile-image img {
    box-shadow: var(--dark-box-shadow);
}

.dark-mode .gallery-item img {
    box-shadow: var(--dark-box-shadow);
}

/* Dark Mode - Education Section */
.dark-mode .education-section {
    background-color: var(--dark-secondary-background);
}

.dark-mode .timeline::after {
    background-color: var(--dark-light-gray);
}

.dark-mode .timeline-date {
    color: var(--dark-secondary-color);
}

.dark-mode .timeline-content {
    background-color: var(--dark-secondary-background);
    box-shadow: var(--dark-box-shadow);
}

/* Dark Mode - Skills Section */
.dark-mode .skill-category {
    background-color: var(--dark-secondary-background);
    box-shadow: var(--dark-box-shadow);
}

.dark-mode .skill-item {
    background-color: var(--dark-accent-color);
}

.dark-mode .download-btn {
    background-color: var(--dark-primary-color);
}

.dark-mode .download-btn:hover {
    background-color: var(--dark-secondary-color);
}

/* Dark Mode - Text Analysis Tool */
.dark-mode .tools-section {
    background-color: var(--dark-secondary-background);
}

.dark-mode .text-analyzer {
    background-color: var(--dark-background-color);
    box-shadow: var(--dark-box-shadow);
}

.dark-mode textarea {
    background-color: var(--dark-secondary-background);
    color: var(--dark-text-color);
    border-color: var(--dark-light-gray);
}

.dark-mode button {
    background-color: var(--dark-primary-color);
}

.dark-mode button:hover {
    background-color: var(--dark-secondary-color);
}

.dark-mode .result-box {
    background-color: var(--dark-secondary-background);
    box-shadow: var(--dark-box-shadow);
}

/* Dark Mode - Footer */
.dark-mode footer {
    background-color: var(--dark-primary-color);
}

/* Dark Mode - Theme Toggle */
.dark-mode .theme-toggle {
    background-color: var(--dark-secondary-color);
}

/* Event Tracking Panel */
.tracking-panel {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 300px;
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    z-index: 1000;
    overflow: hidden;
    font-size: 0.9rem;
}

.tracking-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: white;
}

.tracking-header h3 {
    margin: 0;
    color: white;
    font-size: 1rem;
}

.toggle-panel {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
    margin: 0;
}

.tracking-content {
    padding: 10px 15px;
    max-height: 200px;
    overflow-y: auto;
}

.tracking-content.hidden {
    display: none;
}

.events-list {
    border-top: 1px solid var(--light-gray);
    margin-top: 10px;
    padding-top: 10px;
}

.event-item {
    padding: 5px 0;
    border-bottom: 1px solid var(--light-gray);
    display: flex;
    justify-content: space-between;
}

.event-time {
    color: var(--secondary-color);
    font-size: 0.8rem;
}

.event-type {
    font-weight: bold;
    margin: 0 5px;
}

/* Dark mode support for tracking panel */
.dark-mode .tracking-panel {
    background-color: var(--dark-secondary-background);
}

.dark-mode .tracking-header {
    background-color: var(--dark-primary-color);
}

.dark-mode .events-list,
.dark-mode .event-item {
    border-color: var(--dark-light-gray);
}

.dark-mode .event-time {
    color: var(--dark-accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .about-content {
        flex-direction: column;
    }

    .birthplace-gallery {
        grid-template-columns: 1fr;
    }

    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }

    .timeline-item:nth-child(even) {
        left: 0;
    }

    .skills-container {
        flex-direction: column;
    }
}