/* Fluid Typography and Modern Color System */
:root {
    /* Base Font Sizes */
    --font-size-base: clamp(1rem, 1vw + 0.75rem, 1.125rem);
    --font-size-h1: clamp(2.5rem, 5vw + 1rem, 4rem);
    --font-size-h2: clamp(2rem, 4vw + 1rem, 3rem);
    --font-size-h3: clamp(1.5rem, 3vw + 1rem, 2rem);
    --font-size-small: clamp(0.875rem, 0.5vw + 0.75rem, 1rem);

    /* Light Theme Colors - Soft and Modern */
    --primary-color: #7C3AED;    /* Soft Purple */
    --primary-light: #A78BFA;    /* Light Purple */
    --primary-dark: #5B21B6;     /* Deep Purple */
    --secondary-color: #EC4899;  /* Soft Pink */
    --secondary-light: #F472B6;  /* Light Pink */
    --secondary-dark: #DB2777;   /* Deep Pink */
    --accent-color: #10B981;     /* Soft Emerald */
    --accent-light: #34D399;     /* Light Emerald */
    --accent-dark: #059669;      /* Deep Emerald */
    
    /* Neutral Colors - Light Theme */
    --text-primary: #1F2937;     /* Soft Dark Gray */
    --text-secondary: #4B5563;   /* Medium Gray */
    --text-tertiary: #6B7280;    /* Light Gray */
    --background-primary: #FDFAF6; /* Soft Cream */
    --background-secondary: #F5F3FF; /* Light Purple Tint */
    --background-tertiary: #EDE9FE; /* Soft Purple Tint */
    
    /* UI Colors - Light Theme */
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 3px rgba(124, 58, 237, 0.1), 0 1px 2px rgba(124, 58, 237, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(124, 58, 237, 0.1), 0 2px 4px -1px rgba(124, 58, 237, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(124, 58, 237, 0.1), 0 4px 6px -2px rgba(124, 58, 237, 0.05);
    
    /* Text Shadows - Light Theme */
    --text-shadow-sm: 0 1px 2px rgba(124, 58, 237, 0.05);
    --text-shadow-md: 0 2px 4px rgba(124, 58, 237, 0.05);
    --text-shadow-lg: 0 4px 8px rgba(124, 58, 237, 0.05);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #7C3AED, #EC4899);
    --gradient-secondary: linear-gradient(135deg, #EC4899, #10B981);
    --gradient-accent: linear-gradient(135deg, #10B981, #7C3AED);
    
    /* Spacing */
    --space-xs: clamp(0.5rem, 0.5vw + 0.25rem, 0.75rem);
    --space-sm: clamp(1rem, 1vw + 0.5rem, 1.5rem);
    --space-md: clamp(1.5rem, 2vw + 1rem, 2.5rem);
    --space-lg: clamp(2rem, 3vw + 1.5rem, 3.5rem);
    --space-xl: clamp(3rem, 4vw + 2rem, 5rem);
    --space-2xl: clamp(4rem, 5vw + 2.5rem, 6.5rem);
}

[data-theme="dark"] {
    /* Dark Theme Colors - Monochromatic */
    --primary-color: #E5E7EB;    /* Light Gray */
    --primary-light: #F3F4F6;    /* Lighter Gray */
    --primary-dark: #9CA3AF;     /* Medium Gray */
    --secondary-color: #6B7280;  /* Dark Gray */
    --secondary-light: #9CA3AF;  /* Medium Gray */
    --secondary-dark: #4B5563;   /* Darker Gray */
    --accent-color: #D1D5DB;     /* Light Gray */
    --accent-light: #E5E7EB;     /* Lighter Gray */
    --accent-dark: #9CA3AF;      /* Medium Gray */
    
    /* Neutral Colors - Dark Theme */
    --text-primary: #F9FAFB;     /* Off White */
    --text-secondary: #E5E7EB;   /* Light Gray */
    --text-tertiary: #D1D5DB;    /* Medium Gray */
    --background-primary: #111827; /* Dark Blue Gray */
    --background-secondary: #1F2937; /* Dark Gray */
    --background-tertiary: #374151; /* Medium Dark Gray */
    
    /* UI Colors - Dark Theme */
    --border-color: #374151;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    
    /* Text Shadows - Dark Theme */
    --text-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --text-shadow-md: 0 2px 4px rgba(0, 0, 0, 0.4);
    --text-shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.5);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, 
                color 0.3s ease, 
                border-color 0.3s ease, 
                box-shadow 0.3s ease;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Nunito', sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-primary);
    font-weight: 400;
    letter-spacing: 0.01em;
}

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

h1 { 
    font-size: var(--font-size-h1);
    text-shadow: var(--text-shadow-md);
}

h2 { 
    font-size: var(--font-size-h2);
    text-shadow: var(--text-shadow-sm);
}

h3 { 
    font-size: var(--font-size-h3);
    text-shadow: var(--text-shadow-sm);
}

p {
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    font-weight: 400;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--background-primary);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.nav-brand {
    font-size: var(--font-size-h3);
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: var(--text-shadow-sm);
}

.nav-links {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    transition: color 0.3s ease;
    position: relative;
    letter-spacing: 0.02em;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

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

/* Theme Toggle */
.theme-toggle {
    background: var(--background-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.theme-toggle:hover {
    transform: scale(1.1);
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.theme-toggle i {
    color: var(--text-primary);
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.theme-toggle:hover i {
    transform: rotate(180deg);
}

.menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(70px + var(--space-xl)) var(--space-md) var(--space-xl);
    background: var(--gradient-primary);
    color: var(--text-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.2) 0%, rgba(124, 58, 237, 0.1) 100%);
    pointer-events: none;
}

.hero h1 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-md);
    text-shadow: var(--text-shadow-md);
    font-weight: 800;
}

.hero p {
    font-size: var(--text-xl);
    max-width: 600px;
    margin: 0 auto;
    text-shadow: var(--text-shadow-sm);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-image {
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.profile-image {
    width: clamp(150px, 20vw, 250px);
    height: clamp(150px, 20vw, 250px);
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--background-primary);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
    aspect-ratio: 1;
    margin: 0 auto;
}

.birth-info, .parent-message {
    color: var(--background-primary);
    text-shadow: var(--text-shadow-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.8;
}

/* Sections */
section {
    padding: var(--space-xl) var(--space-md);
}

section h2 {
    text-align: center;
    margin-bottom: var(--space-lg);
    color: var(--primary-color);
}

/* Timeline */
.timeline {
    max-width: 800px;
    margin: 2rem auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background-color: var(--primary-color);
}

.timeline-item {
    margin: var(--space-lg) 0;
    position: relative;
}

.timeline-content {
    background-color: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-md);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: calc(50% - var(--space-md));
    margin-left: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 0;
    margin-right: auto;
}

.timeline-content h3 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.timeline-content img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: var(--space-sm);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease;
    max-width: 100%;
}

.timeline-content:hover img {
    transform: scale(1.02);
}

/* Gallery */
.gallery {
    background-color: var(--background-primary);
}

.gallery-categories {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.category-btn {
    background-color: var(--background-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: var(--space-xs) var(--space-sm);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn.active {
    background-color: var(--primary-color);
    color: var(--background-primary);
    border-color: var(--primary-color);
}

.category-btn:hover:not(.active) {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--background-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    padding: var(--space-sm);
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 1;
    background-color: var(--background-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
}

.gallery-item picture {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    aspect-ratio: 1;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-sm);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: white;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-overlay h3 {
    color: white;
    text-shadow: var(--text-shadow-md);
    font-weight: 600;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
    max-width: 1200px;
    margin: 0 auto;
}

.about-content > div {
    background-color: var(--background-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: var(--space-md);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-content > div:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.about-content h3 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.about-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-content ul {
    list-style: none;
    padding: 0;
}

.about-content li {
    margin-bottom: var(--space-xs);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

.about-content i {
    color: var(--primary-color);
}

/* View Transitions */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-20px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes scaleIn {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* Messages Section */
.messages {
    padding: var(--space-md);
    width: 100%;
    view-transition-name: messages;
}

.message-board {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.5s ease-out;
}

.message-form {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto var(--space-md);
    animation: scaleIn 0.5s ease-out;
}

.message-form form {
    display: grid;
    gap: var(--space-md);
}

.message-form input,
.message-form textarea {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--background-primary);
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: var(--text-lg);
}

.message-form input:focus,
.message-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
    transform: translateY(-2px);
}

.message-form textarea {
    min-height: 150px;
    resize: vertical;
}

.message-form button {
    background: var(--gradient-primary);
    color: var(--background-primary);
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-shadow: var(--text-shadow-sm);
    font-size: var(--text-lg);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.message-form button::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease-out, height 0.6s ease-out;
}

.message-form button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.message-form button:active::after {
    width: 300px;
    height: 300px;
}

.messages {
    display: grid;
    gap: var(--space-md);
    padding: 0;
}

.message {
    background: var(--background-primary);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(8px);
}

.message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.message:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
    background: linear-gradient(to bottom right, var(--background-primary), var(--background-secondary));
}

.message:hover::before {
    opacity: 1;
}

.message h3 {
    color: var(--primary-color);
    margin-bottom: var(--space-sm);
    font-size: var(--text-lg);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    text-shadow: var(--text-shadow-sm);
}

.message:hover h3 {
    color: var(--primary-dark);
    transform: translateX(4px);
}

.message .timestamp {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    font-style: italic;
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    background: var(--background-secondary);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.message:hover .timestamp {
    background: var(--primary-color);
    color: var(--background-primary);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.message p {
    color: var(--text-secondary);
    margin: 0;
    font-size: var(--text-base);
    line-height: 1.7;
    padding-left: var(--space-md);
    position: relative;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
}

.message:hover p {
    color: var(--text-primary);
    transform: translateX(4px);
}

.message p::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -5px;
    font-size: 1.5em;
    color: var(--primary-color);
    opacity: 0.2;
    font-family: serif;
    transition: all 0.3s ease;
}

.message:hover p::before {
    opacity: 0.4;
    transform: scale(1.1);
}

/* Footer */
footer {
    background: var(--gradient-primary);
    color: var(--text-primary);
    text-align: center;
    padding: var(--space-md);
    position: relative;
    overflow: hidden;
    text-shadow: var(--text-shadow-md);
    font-weight: 500;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.1) 0%, transparent 100%);
    pointer-events: none;
}

footer i {
    color: var(--text-primary);
    margin: 0 0.25rem;
}

[data-theme="dark"] footer {
    background: linear-gradient(135deg, #1F2937, #111827);
    color: var(--text-primary);
    text-shadow: var(--text-shadow-md);
}

[data-theme="dark"] footer i {
    color: var(--text-primary);
}

/* Update other dark theme specific styles */
[data-theme="dark"] .nav-brand {
    color: var(--primary-color);
}

[data-theme="dark"] .nav-links a:hover {
    color: var(--primary-color);
}

[data-theme="dark"] .nav-links a::after {
    background-color: var(--primary-color);
}

[data-theme="dark"] .timeline-content h3,
[data-theme="dark"] .about-content h3,
[data-theme="dark"] .message h3 {
    color: var(--primary-color);
}

[data-theme="dark"] .about-content i {
    color: var(--primary-color);
}

[data-theme="dark"] .category-btn.active {
    background-color: var(--primary-color);
    color: var(--background-primary);
    border-color: var(--primary-color);
}

[data-theme="dark"] .category-btn:hover:not(.active) {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--background-primary);
}

[data-theme="dark"] .message-form input:focus,
[data-theme="dark"] .message-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

[data-theme="dark"] .message-form button {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
}

[data-theme="dark"] .timeline::before {
    background-color: var(--primary-color);
}

[data-theme="dark"] .timeline-content:hover,
[data-theme="dark"] .gallery-item:hover,
[data-theme="dark"] .message:hover,
[data-theme="dark"] .about-content > div:hover {
    border-color: var(--primary-color);
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        right: 0;
        width: 250px;
        background-color: var(--background-primary);
        padding: var(--space-md);
        flex-direction: column;
        align-items: flex-start;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        box-shadow: var(--shadow-lg);
        border-left: 1px solid var(--border-color);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-links a {
        margin: var(--space-xs) 0;
        width: 100%;
    }

    .menu-btn {
        display: block;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-content {
        width: calc(100% - var(--space-md));
        margin-left: var(--space-md);
    }

    .timeline-item:nth-child(even) .timeline-content {
        margin-left: var(--space-md);
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }

    .gallery-categories {
        flex-direction: column;
        align-items: center;
    }

    :root {
        --font-size-base: clamp(0.875rem, 0.75vw + 0.75rem, 1rem);
        --font-size-h1: clamp(2rem, 4vw + 1rem, 3rem);
        --font-size-h2: clamp(1.75rem, 3vw + 1rem, 2.5rem);
        --font-size-h3: clamp(1.25rem, 2vw + 1rem, 1.75rem);
    }

    .nav-brand {
        font-size: var(--font-size-h3);
    }

    .hero h1 {
        text-shadow: var(--text-shadow-md);
    }

    .birth-info, .parent-message {
        text-shadow: var(--text-shadow-sm);
    }

    .profile-image {
        width: clamp(120px, 30vw, 200px);
        height: clamp(120px, 30vw, 200px);
    }

    .gallery-item {
        aspect-ratio: 4/3;
    }

    .gallery-item img {
        aspect-ratio: 4/3;
    }

    .timeline-content img {
        max-height: 300px;
        object-fit: cover;
    }
}

@media (max-width: 480px) {
    .profile-image {
        width: clamp(100px, 40vw, 150px);
        height: clamp(100px, 40vw, 150px);
    }

    .gallery-item {
        aspect-ratio: 3/4;
    }

    .gallery-item img {
        aspect-ratio: 3/4;
    }
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, #111827, #1F2937);
    color: var(--text-primary);
}

[data-theme="dark"] .hero h1 {
    color: var(--text-primary);
    text-shadow: var(--text-shadow-md);
}

[data-theme="dark"] .hero p {
    color: var(--text-secondary);
    text-shadow: var(--text-shadow-sm);
}

[data-theme="dark"] .hero::before {
    background: linear-gradient(45deg, rgba(0, 0, 0, 0.2) 0%, transparent 100%);
}

[data-theme="dark"] .message-board {
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .message {
    background: var(--background-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .message:hover {
    border-color: var(--primary-color);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .message h3 {
    color: var(--primary-color);
}

[data-theme="dark"] .message p {
    color: var(--text-secondary);
}

[data-theme="dark"] .message .timestamp {
    color: var(--text-tertiary);
    background: var(--background-secondary);
}

[data-theme="dark"] .message:hover .timestamp {
    background: var(--primary-color);
    color: var(--background-primary);
}

[data-theme="dark"] .message p::before {
    color: var(--primary-color);
}

[data-theme="dark"] .message-form input,
[data-theme="dark"] .message-form textarea {
    background: var(--background-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .message-form input:focus,
[data-theme="dark"] .message-form textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

[data-theme="dark"] .message-form button {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--background-primary);
}

.precious-moments {
    padding: var(--space-2xl) var(--space-lg);
    background: var(--background-primary);
    position: relative;
    overflow: hidden;
}

.precious-moments::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--background-secondary) 0%, var(--background-primary) 100%);
    opacity: 0.5;
    z-index: 0;
}

.precious-moments .container {
    position: relative;
    z-index: 1;
}

.precious-moments h2 {
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--space-xl);
    font-size: var(--text-2xl);
    font-weight: 700;
    text-shadow: var(--text-shadow-sm);
}

.moments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    width: 100%;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--space-md);
}

.moment-card {
    background: var(--background-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.moment-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.moment-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.4s ease;
    flex-shrink: 0;
}

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

.moment-content {
    padding: var(--space-lg);
    background: var(--background-primary);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.moment-content h3 {
    color: var(--text-primary);
    font-size: var(--text-lg);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.moment-content p {
    color: var(--text-secondary);
    font-size: var(--text-base);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

.moment-date {
    color: var(--text-tertiary);
    font-size: var(--text-sm);
    font-style: italic;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.moment-date i {
    color: var(--primary-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .moments-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--space-md);
        padding: 0 var(--space-sm);
    }

    .moment-card {
        max-width: none;
    }

    .moment-image {
        height: 180px;
    }
}

@media (min-width: 1400px) {
    .moments-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

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

.moment-card {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.moment-card:nth-child(1) { animation-delay: 0.1s; }
.moment-card:nth-child(2) { animation-delay: 0.2s; }
.moment-card:nth-child(3) { animation-delay: 0.3s; }
.moment-card:nth-child(4) { animation-delay: 0.4s; }
.moment-card:nth-child(5) { animation-delay: 0.5s; }
.moment-card:nth-child(6) { animation-delay: 0.6s; }

/* Image Optimizations */
img {
    max-width: 100%;
    height: auto;
    display: block;
}