:root {
    --primary-color: #007AFF;
    --background-color: #F5F5F7;
    --card-background: #FFFFFF;
    --text-color: #1D1D1F;
    --border-radius: 10px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    background-image: 
        linear-gradient(to bottom, rgba(245, 245, 247, 0.92), rgba(245, 245, 247, 0.88)),
        url('/assets/background.png');
    background-repeat: repeat;
    background-size: auto;
    background-position: center;
    background-attachment: fixed;
}

.app-container {
    min-height: 100vh;
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    margin-bottom: 2rem;
}

h1 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.statistics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-background);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.stat-card h3 {
    font-size: 1rem;
    color: #6e6e73;
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.api-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.api-card {
    background: var(--card-background);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
    cursor: pointer;
}

.api-card:hover {
    transform: translateY(-4px);
}

.api-card h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.api-card p {
    color: #6e6e73;
    margin-bottom: 1rem;
}

.api-card .method {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    background: var(--primary-color);
    color: white;
    font-size: 0.875rem;
}