:root {
    --space-dark-blue: #0a0e27;
    --space-blue: #1a1f3a;
    --space-light-blue: #2a2f4a;
    --moon-silver: #e8f4f8;
    --moon-gold: #ffd700;
    --moon-accent: #00d4ff;
    --moon-purple: #8a2be2;
    --moon-red: #ff4757;
}

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

body {
    background: linear-gradient(135deg, var(--space-dark-blue) 0%, var(--space-blue) 50%, var(--space-light-blue) 100%);
    min-height: 100vh;
    font-family: 'Rajdhani', sans-serif;
    color: var(--moon-silver);
    overflow-x: hidden;
    position: relative;
}

/* Animated background stars */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #eee, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, #fff, transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.6), transparent),
        radial-gradient(2px 2px at 160px 30px, #ddd, transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: stars 20s linear infinite;
    z-index: -1;
}

@keyframes stars {
    from { transform: translateY(0px); }
    to { transform: translateY(-100px); }
}

/* Floating particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--moon-accent);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0; }
    50% { transform: translateY(-20px) rotate(180deg); opacity: 1; }
}

/* Left Sidebar Navigation */
.sidebar-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 80px;
    height: 100vh;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(15px);
    border-right: 1px solid rgba(0, 212, 255, 0.2);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
}

.sidebar-nav:hover {
    width: 250px;
}

.sidebar-brand {
    margin-bottom: 2rem;
    padding: 0 1rem;
}

.brand-link {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.sidebar-logo {
    height: 40px;
    width: auto;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.4));
}

.sidebar-logo:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 0 12px rgba(255, 215, 0, 0.7));
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-menu .nav-item {
    width: 100%;
}

.sidebar-menu .nav-link {
    display: flex;
    align-items: center;
    padding: 1rem;
    color: var(--moon-silver) !important;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    border-radius: 0 25px 25px 0;
    margin-right: 1rem;
    overflow: hidden;
}

.sidebar-menu .nav-link i {
    font-size: 1.5rem;
    min-width: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.sidebar-menu .nav-text {
    margin-left: 1rem;
    font-weight: 500;
    font-size: 1rem;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.3s ease;
}

.sidebar-nav:hover .nav-text {
    opacity: 1;
    transform: translateX(0);
}

.sidebar-menu .nav-link:hover,
.sidebar-menu .nav-link.active {
    color: var(--moon-accent) !important;
    background: rgba(0, 212, 255, 0.1);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.sidebar-menu .nav-link:hover i,
.sidebar-menu .nav-link.active i {
    color: var(--moon-accent);
    transform: scale(1.1);
}

.sidebar-menu .nav-link.active::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 30px;
    background: linear-gradient(to bottom, var(--moon-accent), var(--moon-gold));
    border-radius: 2px 0 0 2px;
    animation: pulse 2s ease-in-out infinite;
}

/* Tooltip styles for sidebar */
.sidebar-menu .nav-link[title] {
    position: relative;
}

.sidebar-menu .nav-link[title]:hover::before {
    content: attr(title);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(10, 14, 39, 0.95);
    color: var(--moon-silver);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    white-space: nowrap;
    z-index: 1001;
    border: 1px solid rgba(0, 212, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    opacity: 0;
    animation: tooltipFadeIn 0.3s ease forwards;
    margin-left: 1rem;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

/* Hide tooltips when sidebar is expanded */
.sidebar-nav:hover .nav-link[title]:hover::before {
    display: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Main Content Wrapper */
.main-content-wrapper {
    margin-left: 80px;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

/* Main Content */
.main-content {
    background: rgba(26, 31, 58, 0.9);
    border-radius: 25px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 212, 255, 0.3);
    margin: 2rem auto;
    padding: 2rem;
    max-width: 1200px;
    position: relative;
    overflow: hidden;
}

.main-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--moon-accent), transparent);
    animation: scan 3s ease-in-out infinite;
}

@keyframes scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.9), rgba(42, 47, 74, 0.9));
    color: var(--moon-silver);
    border-radius: 25px;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.hero-section::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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(0,212,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-section h1 {
    font-size: 4rem;
    font-weight: 900;
    font-family: 'Orbitron', monospace;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.hero-section p {
    font-size: 1.3rem;
    opacity: 0.9;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

/* Content Sections */
.content-section {
    line-height: 1.8;
    color: #ffffff;
    position: relative;
    z-index: 1;
}

.content-section h1, .content-section h2, .content-section h3 {
    color: var(--moon-gold);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-family: 'Orbitron', monospace;
}

.content-section h1 {
    font-size: 2.8rem;
    border-bottom: 3px solid var(--moon-accent);
    padding-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.content-section h2 {
    font-size: 2.2rem;
    color: var(--moon-accent);
    text-shadow: 0 0 8px rgba(0, 212, 255, 0.3);
}

.content-section h3 {
    font-size: 1.6rem;
    color: var(--moon-silver);
}

.content-section p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
}

.content-section ul, .content-section ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.content-section li {
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
}

/* Buttons */
.btn-moon {
    background: linear-gradient(135deg, var(--moon-accent), var(--moon-purple));
    border: none;
    color: white;
    padding: 15px 35px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-moon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-moon:hover::before {
    left: 100%;
}

.btn-moon:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 212, 255, 0.5);
    color: white;
}

/* Cards */
.card {
    background: rgba(26, 31, 58, 0.9);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
    border-color: var(--moon-accent);
}

.card-body {
    padding: 2rem;
}

.card-title {
    color: var(--moon-gold);
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.card-text {
    color: #ffffff;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

/* Footer */
.footer {
    background: rgba(10, 14, 39, 0.95);
    color: var(--moon-silver);
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
    border-radius: 25px 25px 0 0;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    backdrop-filter: blur(15px);
}

.moon-icon {
    font-size: 2rem;
    margin-right: 0.5rem;
    color: var(--moon-gold);
}

/* Interactive elements */
.interactive-element {
    transition: all 0.3s ease;
    cursor: pointer;
}

.interactive-element:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--moon-accent);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

::-webkit-scrollbar-track {
    background: var(--space-dark-blue);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--moon-gold);
}

/* Timeline styles for life plan page */
.timeline {
    position: relative;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--moon-accent), var(--moon-gold));
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 20px;
    top: 20px;
    width: 20px;
    height: 20px;
    background: var(--moon-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 12px;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* Responsive design */
@media (max-width: 768px) {
    /* Mobile sidebar behavior */
    .sidebar-nav {
        width: 60px;
        padding: 0.5rem 0;
    }
    
    .sidebar-nav:hover {
        width: 200px;
    }
    
    .sidebar-logo {
        height: 30px;
    }
    
    .sidebar-menu .nav-link {
        padding: 0.8rem 0.5rem;
        margin-right: 0.5rem;
    }
    
    .sidebar-menu .nav-link i {
        font-size: 1.2rem;
    }
    
    .sidebar-menu .nav-text {
        font-size: 0.9rem;
    }
    
    .main-content-wrapper {
        margin-left: 60px;
    }
    
    .hero-section h1 {
        font-size: 2.8rem;
    }
    
    .main-content {
        margin: 1rem;
        padding: 1rem;
    }
    
    .content-section h1 {
        font-size: 2.2rem;
    }
    
    .content-section h2 {
        font-size: 1.8rem;
    }
    
    .content-section h3 {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    /* Very small screens */
    .sidebar-nav {
        width: 50px;
    }
    
    .sidebar-nav:hover {
        width: 180px;
    }
    
    .sidebar-logo {
        height: 25px;
    }
    
    .sidebar-menu .nav-link {
        padding: 0.6rem 0.3rem;
        margin-right: 0.3rem;
    }
    
    .sidebar-menu .nav-link i {
        font-size: 1rem;
    }
    
    .main-content-wrapper {
        margin-left: 50px;
    }
    
    .main-content {
        margin: 0.5rem;
        padding: 0.8rem;
    }
}

/* Modal styles */
.modal-content {
    background: rgba(26, 31, 58, 0.95) !important;
    border: 1px solid var(--moon-accent) !important;
    border-radius: 20px;
}

.modal-header {
    border-bottom: 1px solid var(--moon-accent) !important;
}

.modal-footer {
    border-top: 1px solid var(--moon-accent) !important;
}

.modal-title {
    color: var(--moon-gold) !important;
}

/* Alert customizations */
.alert-info {
    background: rgba(0, 212, 255, 0.15) !important;
    border: 2px solid var(--moon-accent) !important;
    color: #ffffff !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
    font-weight: 500;
}

.alert-primary {
    background: rgba(255, 215, 0, 0.15) !important;
    border: 2px solid var(--moon-gold) !important;
    color: #ffffff !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
    font-weight: 500;
}

/* Text utilities */
.text-warning {
    color: var(--moon-gold) !important;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
    font-weight: 700;
}

.text-success {
    color: #28a745 !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
    font-weight: 600;
}

.text-info {
    color: var(--moon-accent) !important;
}

.text-primary {
    color: var(--moon-accent) !important;
}

.text-danger {
    color: var(--moon-red) !important;
}

.text-muted {
    color: rgba(255, 255, 255, 0.8) !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
    font-weight: 500;
}

/* Social Media Links Styling */
.social-media-links {
    text-align: center;
}

.social-media-links h6 {
    color: var(--moon-gold);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
    font-weight: 700;
    margin-bottom: 1rem;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(26, 31, 58, 0.8);
    border: 2px solid rgba(0, 212, 255, 0.4);
    color: var(--moon-accent);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.social-link:hover::before {
    left: 100%;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    border-color: var(--moon-gold);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
    color: var(--moon-gold);
}

.social-link i {
    font-size: 1.5rem;
    z-index: 1;
    position: relative;
}

/* Specific social media colors on hover */
.social-link:hover .fa-telegram {
    color: #0088cc;
}

.social-link:hover .fa-discord {
    color: #7289da;
}

.social-link:hover .fa-facebook {
    color: #1877f2;
}

.social-link:hover .fa-x-twitter {
    color: #000000;
}

.social-link:hover .fa-github {
    color: #ffffff;
}

.social-link:hover .fa-linkedin {
    color: #0077b5;
}

/* Footer responsive adjustments */
@media (max-width: 768px) {
    .social-icons {
        gap: 0.5rem;
    }
    
    .social-link {
        width: 45px;
        height: 45px;
    }
    
    .social-link i {
        font-size: 1.3rem;
    }
    
    .social-media-links h6 {
        font-size: 1rem;
        margin-bottom: 0.8rem;
    }
}