/* Google Developers / Material Minimalist Theme */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Google+Sans:wght@400;500;700&display=swap');

:root {
    --bg-color: #f8f9fa;
    --surface-color: #ffffff;
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --accent-color: #1a73e8;
    --accent-hover: #1765cc;
    --border-color: #dadce0;
    --shadow-sm: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --shadow-md: 0 4px 6px rgba(32, 33, 36, 0.18);
    --border-radius: 8px;
    --max-width: 1200px;
    --article-max-width: 80vw;
    /* Wider for articles */
}

body {
    background-color: var(--bg-color);
    color: var(--text-secondary);
    font-family: 'Roboto', 'Helvetica Neue', sans-serif;
    margin: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: #bcc0c4;
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9aa0a6;
}

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: var(--bg-color);
}

/* Header / Navbar */
#ownerline {
    background-color: var(--surface-color);
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3);
}

.brand-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

#headImg {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.ownerName {
    font-family: 'Google Sans', sans-serif;
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--text-secondary);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.ownerName:hover {
    color: var(--text-primary);
    text-decoration: none;
}

.auth-area {
    display: flex;
    align-items: center;
    gap: 16px;
}

.auth-btn {
    background-color: var(--accent-color);
    color: #fff;
    padding: 8px 24px;
    border-radius: 4px;
    font-family: 'Google Sans', sans-serif;
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    transition: background-color 0.2s, box-shadow 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: normal;
}

.auth-btn:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 1px 3px 1px rgba(66, 64, 67, 0.15), 0 1px 2px 0 rgba(60, 64, 67, 0.3);
    color: white;
    text-decoration: none;
}

#new-issue-btn {
    background-color: white;
    color: var(--accent-color);
    border: 1px solid var(--border-color);
}

#new-issue-btn:hover {
    background-color: #f6fafe;
    border-color: var(--accent-color);
}

.user-display {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

#user-name-login {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Main Content */
.blogContainer {
    margin-top: 64px;
    /* Header height */
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding: 48px 24px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

/* Article Mode Modifier */
.blogContainer.article-mode {
    max-width: var(--article-max-width);
    display: block;
    /* Disable grid for single column article */
}

/* Cards */
.card-tech {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card-tech:hover {
    box-shadow: var(--shadow-sm);
    border-color: transparent;
    transform: translateY(-2px);
}

.card-title {
    font-family: 'Google Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    margin-bottom: 8px;
    line-height: 1.4;
    display: block;
}

.card-title:hover {
    color: var(--accent-color);
    text-decoration: none;
}

.card-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.card-preview {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-secondary);
    flex-grow: 1;
}

/* Pagination */
.pagesContainer {
    display: flex;
    justify-content: center;
    padding: 24px 0 64px;
    gap: 8px;
}

.pageLink {
    background: transparent;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 4px;
    text-decoration: none;
    transition: background 0.2s;
    font-size: 0.875rem;
    font-weight: 500;
}

.pageLink:hover {
    background: #f1f3f4;
    color: var(--text-primary);
}

.pageLink.active {
    background: #e8f0fe;
    color: var(--accent-color);
    font-weight: 600;
}

/* Footer IPv6 */
.footer-badge {
    position: fixed;
    bottom: 24px;
    right: 24px;
    opacity: 0.5;
    transition: opacity 0.3s;
    filter: grayscale(100%);
}

.footer-badge:hover {
    opacity: 1;
    filter: grayscale(0%);
}