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

:root {
    --primary-pink: #ff9ec8;
    --primary-blue: #a8d8ff;
    --primary-purple: #d4a5ff;
    --primary-yellow: #fff4a8;
    --bg-gradient-start: #ffeef8;
    --bg-gradient-end: #e8f4ff;
    --card-bg: rgba(255, 255, 255, 0.8);
    --text-primary: #4a4a4a;
    --text-secondary: #888888;
    --shadow-soft: 0 8px 32px rgba(255, 158, 200, 0.15);
    --shadow-hover: 0 12px 48px rgba(255, 158, 200, 0.25);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Header Styles */
.header {
    text-align: center;
    padding: 40px 20px;
    margin-bottom: 30px;
}

.header-content {
    animation: fadeInDown 0.8s ease-out;
}

.title {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-purple), var(--primary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    display: inline-block;
}

.title-icon {
    display: inline-block;
    animation: float 3s ease-in-out infinite;
    margin: 0 10px;
}

.title-icon:nth-child(2) {
    animation-delay: 0.5s;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Search Box */
.search-box {
    max-width: 600px;
    margin: 0 auto 40px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.search-input {
    width: 100%;
    padding: 18px 24px;
    font-size: 1rem;
    border: 2px solid rgba(255, 158, 200, 0.3);
    border-radius: 50px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    outline: none;
}

.search-input:focus {
    border-color: var(--primary-pink);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

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

/* Main Content */
.main-content {
    animation: fadeIn 1s ease-out 0.4s both;
}

.categories {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.category-section {
    animation: fadeInUp 0.6s ease-out both;
}

.category-section:nth-child(1) { animation-delay: 0.5s; }
.category-section:nth-child(2) { animation-delay: 0.6s; }
.category-section:nth-child(3) { animation-delay: 0.7s; }
.category-section:nth-child(4) { animation-delay: 0.8s; }

.category-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.category-icon {
    font-size: 1.5rem;
    animation: bounce 2s ease-in-out infinite;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

/* Link Cards */
.link-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

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

.link-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-pink);
}

.link-card:nth-child(4n+1):hover {
    border-color: var(--primary-pink);
}

.link-card:nth-child(4n+2):hover {
    border-color: var(--primary-blue);
}

.link-card:nth-child(4n+3):hover {
    border-color: var(--primary-purple);
}

.link-card:nth-child(4n+4):hover {
    border-color: var(--primary-yellow);
}

.card-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.link-card:hover .card-icon {
    transform: scale(1.2) rotate(5deg);
}

.card-content {
    flex: 1;
}

.card-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.card-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 20px;
    margin-top: 60px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.heart {
    display: inline-block;
    animation: heartbeat 1.5s ease-in-out infinite;
}

/* Floating Shapes */
.floating-shapes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.3;
    animation: floatShape 20s infinite ease-in-out;
}

.shape-1 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-purple));
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-purple));
    top: 60%;
    right: 10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-yellow), var(--primary-pink));
    bottom: 20%;
    left: 20%;
    animation-delay: 10s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-blue));
    top: 30%;
    right: 30%;
    animation-delay: 15s;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    10%, 30% {
        transform: scale(1.1);
    }
    20%, 40% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.15);
    }
}

@keyframes floatShape {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(50px, -50px) rotate(90deg);
    }
    50% {
        transform: translate(-30px, -100px) rotate(180deg);
    }
    75% {
        transform: translate(-50px, -30px) rotate(270deg);
    }
}

/* Ripple Effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple-animation 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .title {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .links-grid {
        grid-template-columns: 1fr;
    }

    .category-title {
        font-size: 1.5rem;
    }

    .search-input {
        padding: 15px 20px;
        font-size: 0.9rem;
    }
}

/* Hidden class for search filtering */
.hidden {
    display: none !important;
}