/* Spotify Jobs Inspired Design - Dark Theme with Light Mode Support */

:root {
    /* Dark Theme (Default) */
    --bg-primary: #000000;
    --bg-secondary: #121212;
    --bg-card: #ffffff;
    --bg-card-hover: #f5f5f5;
    --bg-nav: rgba(0, 0, 0, 0.9);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-on-card: #000000;
    --text-on-card-secondary: #666666;
    
    /* Accent Colors */
    --accent-primary: #7cc4f5;
    --accent-secondary: #a8d8ff;
    --accent-blue: #a8d8ff;
    --accent-blue-bg: #7cc4f5;
    
    /* UI Elements */
    --border-color: #282828;
    --tag-bg: #f0f0f0;
    --tag-text: #333333;
    --tag-border: #e0e0e0;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius - Apple-inspired 8px base system */
    --radius-xs: 4px;      /* Small inputs, subtle rounding */
    --radius-sm: 8px;      /* Buttons, small elements */
    --radius-md: 12px;     /* Cards, medium containers */
    --radius-lg: 16px;     /* Large cards, sections */
    --radius-xl: 20px;     /* Hero sections, large containers */
    --radius-full: 9999px; /* Pills, tags, avatars */
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-card: #ffffff;
    --bg-card-hover: #fafafa;
    --bg-nav: rgba(255, 255, 255, 0.95);
    
    --text-primary: #000000;
    --text-secondary: #666666;
    --text-on-card: #000000;
    --text-on-card-secondary: #666666;
    
    --border-color: #e0e0e0;
    --tag-bg: #f0f0f0;
    --tag-text: #333333;
    --tag-border: #e0e0e0;
}

/* Reset & Base Styles */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
}

h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

h4 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--accent-secondary);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-nav);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-base);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.nav-logo img {
    width: 40px;
    height: 40px;
}

.nav-logo-text {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    list-style: none;
}

.nav-link {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.nav-link:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.nav-link.active {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-primary);
}

.theme-toggle:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

/* Main Content */
main {
    padding-top: 80px;
}

/* Hero Section */
#hero {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-3xl) 0;
    position: relative;
}

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

.hero-title {
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-indicator svg {
    width: 32px;
    height: 32px;
    color: var(--text-secondary);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Sections */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
#about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

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

.about-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Skill Tags */
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
}

.skill-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--tag-bg);
    color: var(--tag-text);
    border: 1px solid var(--tag-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.skill-tag:hover {
    background: var(--accent-primary);
    color: #ffffff;
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

/* Education Timeline */
#education {
    background: var(--bg-primary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 20px;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: var(--spacing-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 8px;
    width: 18px;
    height: 18px;
    background: var(--accent-primary);
    border-radius: var(--radius-full);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 3px var(--accent-primary);
}

.timeline-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.timeline-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.timeline-logo {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
}

.timeline-info h3 {
    color: var(--text-on-card);
    margin-bottom: 4px;
}

.timeline-info h4 {
    color: var(--text-on-card-secondary);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.timeline-date {
    display: inline-block;
    padding: 4px 12px;
    background: var(--tag-bg);
    color: var(--tag-text);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.timeline-details {
    color: var(--text-on-card-secondary);
    font-size: 0.9rem;
}

.timeline-details p {
    color: var(--text-on-card-secondary);
    margin-bottom: var(--spacing-xs);
}

/* Experience Section */
#experience {
    background: var(--bg-secondary);
}

.experience-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.experience-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.experience-card::after {
    content: '↗';
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    font-size: 1.25rem;
    color: var(--text-on-card-secondary);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.experience-card:hover::after {
    opacity: 1;
}

.experience-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.experience-logo {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.experience-info h3 {
    color: var(--text-on-card);
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.experience-info h4 {
    color: var(--text-on-card-secondary);
    font-size: 0.875rem;
    font-weight: 400;
}

.experience-date {
    display: inline-block;
    padding: 4px 12px;
    background: var(--tag-bg);
    color: var(--tag-text);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.experience-type {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent-primary);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: var(--spacing-xs);
}

.experience-content {
    color: var(--text-on-card-secondary);
}

.experience-content ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
}

.experience-content li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-on-card-secondary);
}

.experience-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.experience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.experience-tag {
    display: inline-block;
    padding: 4px 10px;
    background: var(--tag-bg);
    color: var(--tag-text);
    border: 1px solid var(--tag-border);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Projects Section */
#projects {
    background: var(--bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: var(--spacing-lg);
}

.project-content h3 {
    color: var(--text-on-card);
    margin-bottom: var(--spacing-xs);
}

.project-meta {
    color: var(--text-on-card-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.project-description {
    color: var(--text-on-card-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.projects-placeholder {
    text-align: center;
    padding: var(--spacing-3xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
}

.projects-placeholder p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Contact Section */
#contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-cta {
    background: var(--accent-blue-bg);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    width: 100%;
}

.contact-cta h3 {
    font-size: 2.5rem;
    font-weight: 900;
    color: #000000;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.contact-cta p {
    color: #333333;
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
}

.contact-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    color: var(--text-on-card);
    font-weight: 600;
    transition: all var(--transition-base);
}

.contact-link:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.contact-link svg {
    width: 24px;
    height: 24px;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    color: var(--text-on-card);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--accent-primary);
    color: #ffffff;
    transform: translateY(-4px);
}

.social-link svg {
    width: 24px;
    height: 24px;
}

/* Footer */
footer {
    background: var(--bg-primary);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

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

.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-nav);
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    section {
        padding: var(--spacing-2xl) 0;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item {
        padding-left: 45px;
    }
    
    .timeline-item::before {
        left: 8px;
        width: 14px;
        height: 14px;
    }
    
    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .experience-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .timeline-logo {
        width: 48px;
        height: 48px;
    }
    
    .experience-logo {
        width: 40px;
        height: 40px;
    }
    
    .contact-cta {
        padding: var(--spacing-lg);
    }
    
    .contact-cta h3 {
        font-size: 1.75rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--text-primary);
}

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

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}


/* Typewriter Cursor */
.cursor {
    display: inline-block;
    font-weight: 100;
    animation: blink 1s step-end infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

#typewriter {
    display: inline;
    border-right: none;
}


/* ==================== Chatbot Widget ==================== */
.chatbot-widget {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 9999;
    font-family: 'Inter', sans-serif;
}

/* Toggle Button */
.chatbot-toggle {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--accent-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(124, 196, 245, 0.4);
    transition: all var(--transition-base);
}

.chatbot-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 24px rgba(124, 196, 245, 0.5);
}

.chatbot-toggle svg {
    width: 24px;
    height: 24px;
    color: #000000;
    transition: all var(--transition-base);
}

.chatbot-toggle .close-icon {
    display: none;
}

.chatbot-widget.open .chatbot-toggle .chat-icon {
    display: none;
}

.chatbot-widget.open .chatbot-toggle .close-icon {
    display: block;
}

/* Chat Window */
.chatbot-window {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 360px;
    max-width: calc(100vw - 40px);
    height: 480px;
    max-height: calc(100vh - 120px);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(124, 196, 245, 0.3);
    box-shadow: 
        0 0 0 1px rgba(124, 196, 245, 0.15),
        0 0 20px rgba(124, 196, 245, 0.15),
        0 0 40px rgba(124, 196, 245, 0.1),
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 16px 48px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-base);
}

[data-theme="light"] .chatbot-window {
    border: 1px solid rgba(124, 196, 245, 0.4);
    box-shadow: 
        0 0 0 1px rgba(124, 196, 245, 0.2),
        0 0 30px rgba(124, 196, 245, 0.2),
        0 0 60px rgba(124, 196, 245, 0.15),
        0 8px 32px rgba(0, 0, 0, 0.15),
        0 16px 48px rgba(0, 0, 0, 0.1);
}

.chatbot-widget.open .chatbot-window {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* Chat Header */
.chatbot-header {
    padding: var(--spacing-md);
    background: #000000;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chatbot-header-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chatbot-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--accent-primary);
    color: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.chatbot-header-text {
    display: flex;
    flex-direction: column;
}

.chatbot-name {
    font-weight: 600;
    font-size: 0.9375rem;
}

.chatbot-status {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Messages Area */
.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    background: #f5f5f5;
}

[data-theme="dark"] .chatbot-messages {
    background: #1a1a1a;
}

.chat-message {
    max-width: 85%;
    animation: messageSlide 0.3s ease;
}

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

.bot-message {
    align-self: flex-start;
}

.user-message {
    align-self: flex-end;
}

.message-content {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    line-height: 1.5;
}

.bot-message .message-content {
    background: #ffffff;
    color: #000000;
    border-bottom-left-radius: var(--radius-xs);
}

[data-theme="dark"] .bot-message .message-content {
    background: #2a2a2a;
    color: #ffffff;
}

.user-message .message-content {
    background: var(--accent-primary);
    color: #000000;
    border-bottom-right-radius: var(--radius-xs);
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: #ffffff;
    border-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-xs);
    width: fit-content;
}

[data-theme="dark"] .typing-indicator {
    background: #2a2a2a;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: #999;
    border-radius: var(--radius-full);
    animation: typingBounce 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) {
    animation-delay: 0s;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-4px);
    }
}

/* Input Area */
.chatbot-input-area {
    padding: var(--spacing-sm) var(--spacing-md);
    background: #ffffff;
    border-top: 1px solid #e0e0e0;
    display: flex;
    gap: var(--spacing-xs);
}

[data-theme="dark"] .chatbot-input-area {
    background: #1a1a1a;
    border-top-color: #333;
}

.chatbot-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-family: inherit;
    background: #f5f5f5;
    color: #000000;
    outline: none;
    transition: all var(--transition-base);
}

[data-theme="dark"] .chatbot-input {
    background: #2a2a2a;
    border-color: #444;
    color: #ffffff;
}

.chatbot-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(124, 196, 245, 0.2);
}

.chatbot-input::placeholder {
    color: #999;
}

.chatbot-send {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--accent-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.chatbot-send:hover {
    transform: scale(1.05);
}

.chatbot-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.chatbot-send svg {
    width: 18px;
    height: 18px;
    color: #000000;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .chatbot-widget {
        bottom: var(--spacing-sm);
        right: var(--spacing-sm);
    }
    
    .chatbot-window {
        width: calc(100vw - 32px);
        height: calc(100vh - 100px);
        bottom: 65px;
        right: -8px;
    }
    
    .chatbot-toggle {
        width: 50px;
        height: 50px;
    }
}