/* Basic, clean layout for the author website.
   You can easily change colors and fonts here. */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
    color: #222;
    background-color: #f8f8fb;
}

a {
    color: #0056b3;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: 0 auto;
}

.site-header {
    background-color: #ffffff;
    border-bottom: 1px solid #ddd;
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.logo a {
    font-size: 1.25rem;
    font-weight: 600;
    color: #222;
}

.main-nav a {
    margin-left: 1rem;
    font-size: 0.95rem;
}

.main-nav a:hover {
    text-decoration: underline;
}

.site-content {
    padding: 1.5rem 0 3rem;
}

.site-footer {
    background-color: #ffffff;
    border-top: 1px solid #ddd;
    padding: 1rem 0;
    text-align: center;
    font-size: 0.85rem;
}

.hero {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    margin-bottom: 2rem;
}

.hero h1 {
    margin-top: 0;
    margin-bottom: 0.5rem;
}

.hero-buttons {
    margin-top: 1rem;
}

.hero-author {
    margin-top: 1.5rem;
    max-width: 220px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: none;
    background-color: #0056b3;
    color: #ffffff;
    font-size: 0.95rem;
    cursor: pointer;
}

.btn.secondary {
    background-color: #666666;
}

.btn.small {
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

.btn:hover {
    opacity: 0.9;
    text-decoration: none;
}

.home-section {
    margin-bottom: 2rem;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.card {
    background-color: #ffffff;
    border-radius: 8px;
    padding: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.card-image {
    width: 100%;
    height: auto;
    border-radius: 4px;
    margin-bottom: 0.75rem;
}

.card-actions {
    margin-top: 0.75rem;
}

.meta {
    font-size: 0.85rem;
    color: #666666;
}

.tag {
    display: inline-block;
    margin-top: 0.25rem;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    background-color: #e5efff;
    font-size: 0.8rem;
    color: #004299;
}

.detail {
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.detail-body {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1rem;
}

.detail-image {
    max-width: 220px;
    border-radius: 4px;
}

.detail-text {
    flex: 1;
}

.detail-actions {
    margin-top: 1.5rem;
}

.note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #555;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 6px;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.post-excerpt {
    background-color: #ffffff;
    padding: 1.25rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.25rem;
}

.pagination {
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.pagination span {
    font-size: 0.9rem;
}

.about-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: flex-start;
}

.about-photo {
    max-width: 260px;
    justify-self: center;
}

.about-photo-image {
    width: 100%;
    height: auto;
    border-radius: 50%;
    display: block;
}

.about-photo .photo-placeholder {
    width: 100%;
    padding-top: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, #e5efff, #f5f5ff);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555;
    font-size: 0.9rem;
}

.contact-form {
    background-color: #ffffff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    max-width: 600px;
}

.contact-form label {
    display: block;
    margin-top: 0.75rem;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 0.95rem;
}

.contact-form button {
    margin-top: 1rem;
}

.errors {
    background-color: #ffecec;
    border: 1px solid #ffb3b3;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    color: #992222;
}

.success {
    background-color: #e5ffe8;
    border: 1px solid #99ddaa;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    color: #225522;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    background-color: #ffffff;
}

.admin-table th,
.admin-table td {
    border: 1px solid #ddd;
    padding: 0.5rem 0.6rem;
    text-align: left;
    font-size: 0.9rem;
    vertical-align: top;
}

.admin-table th {
    background-color: #f2f4ff;
    font-weight: 600;
}

.admin-table tr:nth-child(even) {
    background-color: #fafbff;
}

/* Responsive layout */
@media (max-width: 700px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .main-nav {
        margin-top: 0.5rem;
    }

    .main-nav a {
        display: inline-block;
        margin: 0 0.75rem 0.25rem 0;
    }

    .about-layout {
        grid-template-columns: 1fr;
    }

    .detail-body {
        flex-direction: column;
    }
}