/* Modern Anniversary Finder - Centralized Styles */

:root {
    /* Color Palette - Modern, warm, romantic */
    --primary: #FF6B9D;
    --secondary: #C44569;
    --accent: #FEC8D8;
    --dark: #2C3A47;
    --light: #FFF5F7;
    --gradient-start: #FF6B9D;
    --gradient-end: #FFC371;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Borders */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50px;
}

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

body {
    font-family: var(--font-body);
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
}

/* Background Gradient */
.gradient-bg {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

/* Typography */
.cursive-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: clamp(2rem, 6vw, 4rem);
    color: white;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
}

h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--secondary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: #555;
}

/* Navigation */
.menu-toggle {
    position: fixed;
    top: 24px;
    left: 24px;
    width: 32px;
    height: 32px;
    cursor: pointer;
    z-index: 1000;
    transition: transform 0.3s ease;
}

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

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: white;
    margin: 6px 0;
    transition: 0.4s;
    border-radius: 2px;
}

.menu-toggle.open span:nth-child(1) {
    transform: rotate(-45deg) translate(-6px, 7px);
}

.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
    transform: rotate(45deg) translate(-6px, -7px);
}

.menu {
    position: fixed;
    top: 0;
    left: -320px;
    width: 320px;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 58, 71, 0.98) 0%, rgba(196, 69, 105, 0.98) 100%);
    backdrop-filter: blur(10px);
    transition: 0.4s ease;
    z-index: 999;
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.2);
}

.menu.open {
    left: 0;
}

.menu ul {
    list-style-type: none;
    padding: 80px 0 0 0;
}

.menu ul li {
    padding: 0;
}

.menu ul li a {
    display: block;
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    padding: 18px 32px;
    transition: all 0.3s;
    border-left: 4px solid transparent;
}

.menu ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-left-color: var(--accent);
    padding-left: 40px;
}

/* Heart Logo */
.heart-logo {
    position: fixed;
    top: 20px;
    right: 24px;
    font-size: 32px;
    color: white;
    animation: heartbeat 2s ease-in-out infinite;
    z-index: 100;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    10% { transform: scale(1.1); }
    20% { transform: scale(1); }
}

/* Home Page Styles */
.home-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: var(--spacing-md);
    text-align: center;
}

.subtitle {
    color: white;
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
}

.input-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

input[type="date"] {
    padding: 16px 24px;
    font-size: 1.1rem;
    border: none;
    border-radius: var(--radius-full);
    outline: none;
    background-color: white;
    font-family: var(--font-body);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    min-width: 220px;
}

input[type="date"]:focus {
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

button {
    width: 56px;
    height: 56px;
    font-size: 24px;
    color: white;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 20px rgba(196, 69, 105, 0.3);
}

button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(196, 69, 105, 0.4);
}

button:active {
    transform: translateY(-1px) scale(1.02);
}

/* Content Page Styles */
.content-wrapper {
    min-height: 100vh;
    padding: var(--spacing-xl) var(--spacing-md);
}

.content-header {
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-lg);
}

.content-header .cursive-heading {
    margin-bottom: var(--spacing-sm);
}

.year-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.9);
    color: var(--secondary);
    padding: 8px 24px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

main {
    background-color: white;
    padding: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* Material Cards */
.material-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.material-card {
    background: linear-gradient(135deg, var(--light) 0%, #FFF 100%);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 2px solid var(--accent);
    transition: all 0.3s ease;
}

.material-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.material-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.material-value {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.material-description {
    font-size: 1rem;
    color: #666;
    line-height: 1.5;
}

/* Info Section */
.info-section {
    background: linear-gradient(135deg, var(--light) 0%, #FFF 100%);
    border-left: 4px solid var(--primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
}

/* Back Button */
.back-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(-5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .material-grid {
        grid-template-columns: 1fr;
    }

    main {
        padding: var(--spacing-md);
    }

    .content-wrapper {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .input-container {
        flex-direction: column;
        width: 100%;
    }

    input[type="date"] {
        width: 100%;
    }
}