/*
 * Ranker - Home Page Styles
 * Refined for a professional, clean, lean, functional, and elegant design.
 */

:root {
    --text-primary: #1d1d1f;
    --text-secondary: #515154;
    --background-page: #f5f5f7;
    --background-container: #ffffff;
    --background-section: rgba(0, 0, 0, 0.02);
    --link-color: #0066cc;
    --separator-color: #e5e5e5;
    --button-bg: #007aff;
    --button-text-color: #ffffff;
    --font-main: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

body {
    background: var(--background-page);
    font-family: var(--font-main);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 3rem 1.5rem;
}

.page-wrapper {
    max-width: 960px;
    width: 100%;
}

.content-container {
    background: var(--background-container);
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 3rem;
    text-align: center;
}

.main-header .logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.8px;
}

.intro-section .tagline {
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.2px;
}

.intro-section .description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.auth-group {
    margin-bottom: 3.5rem;
}

.cta-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.cta-links .auth-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--button-text-color);
    text-decoration: none;
    background-color: var(--button-bg);
    padding: 0.8rem 1.6rem;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.2);
}

.cta-links .auth-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 122, 255, 0.25);
}

.cta-links .separator {
    color: var(--text-secondary);
    font-size: 1rem;
}

.private-note {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin: 0;
}

.public-lists-section {
    background: var(--background-section);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
}

.public-lists-section .section-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -0.1px;
}

.lists-grid {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    text-align: center;
}

.lists-grid li a {
    display: block;
    font-size: 1.05rem;
    color: var(--link-color);
    text-decoration: none;
    padding: 0.75rem;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.lists-grid li a:hover {
    background-color: rgba(0, 102, 204, 0.08);
    text-decoration: none;
}

.main-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--separator-color);
    color: var(--text-secondary);
    font-size: 0.85rem;
    opacity: 0.7;
}

@media (max-width: 768px) {
    body {
        padding: 1.5rem 1rem;
    }
    .content-container {
        padding: 2rem;
    }
    .main-header .logo {
        font-size: 2rem;
    }
    .intro-section .tagline {
        font-size: 1.5rem;
    }
    .intro-section .description {
        font-size: 1rem;
    }
    .cta-links {
        flex-direction: column;
        gap: 0.8rem;
    }
    .cta-links .separator {
        display: none;
    }
}