/* Overall page */
body {
    margin: 0;
    padding: 40px 24px;
    background: #0f172a;
    color: #e2e8f0;
    font-family: system-ui, sans-serif;
    line-height: 1.7;
}

main {
    max-width: 850px;
    margin: 0 auto;
}

a {
    color: #7dd3fc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Markdown content */
.markdown-body h1,
.markdown-body h2,
.markdown-body h3 {
    color: #f8fafc;
    line-height: 1.3;
    margin-top: 1.8em;
}

.markdown-body h1 {
    font-size: 2.2rem;
}

.markdown-body h2 {
    font-size: 1.6rem;
    border-bottom: 1px solid #334155;
    padding-bottom: 8px;
}

.markdown-body p {
    margin: 1em 0;
}

.markdown-body ul,
.markdown-body ol {
    padding-left: 2rem;
}

.markdown-body li {
    margin: 4px 0;
}

/* Inline code */
.markdown-body :not(pre) > code {
    background: #1e293b;
    color: #fda4af;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

/* Fenced code blocks */
.markdown-body pre {
    background: #020617;
    border: 1px solid #334155;
    border-radius: 10px;
    padding: 18px;
    overflow-x: auto;
    margin: 24px 0;
}

.markdown-body pre code {
    background: transparent;
    color: #e2e8f0;
    font-family: "DejaVu Sans Mono", monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    white-space: pre;
}

/* Blockquotes */
.markdown-body blockquote {
    margin: 24px 0;
    padding: 8px 20px;
    border-left: 4px solid #38bdf8;
    background: #1e293b;
    color: #cbd5e1;
    border-radius: 0 8px 8px 0;
}


/* Copy button for Markdown code blocks */

.markdown-body pre {
    position: relative;
    padding-top: 52px;
}

.markdown-body .copy-button {
    position: absolute;
    top: 10px;
    right: 10px;

    padding: 5px 12px;
    border: 1px solid #475569;
    border-radius: 6px;

    background: #1e293b;
    color: #e2e8f0;

    font-size: 0.8rem;
    font-family: inherit;
    cursor: pointer;
}

.markdown-body .copy-button:hover {
    background: #334155;
}

.markdown-body .copy-button:focus-visible {
    outline: 2px solid #38bdf8;
    outline-offset: 2px;
}
/* Blog layout */

.blog-layout {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.blog-layout main {
    width: 100%;
    min-width: 0;
}

/* Sidebar */

.sidebar {
    border-right: 1px solid #334155;
    padding-right: 24px;
}

.sidebar h2 {
    font-size: 1.1rem;
    color: #f8fafc;
}

.sidebar ul {
    list-style: none;
    padding: 0;
}

.sidebar li {
    margin: 12px 0;
}

.sidebar a {
    color: #94a3b8;
}

.sidebar a:hover {
    color: #38bdf8;
}

/* Mobile layout */

@media (max-width: 700px) {
    .blog-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .sidebar {
        border-right: 0;
        border-bottom: 1px solid #334155;
        padding-right: 0;
        padding-bottom: 16px;
    }
}

/* Homepage */

.home-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 64px 24px;
}

.home-header {
    margin-bottom: 64px;
}

.home-header h1 {
    font-size: 3rem;
    margin-bottom: 12px;
}

.home-header p {
    color: #94a3b8;
    font-size: 1.1rem;
    line-height: 1.7;
}

.post-list h2 {
    margin-bottom: 24px;
}

.post-card {
    padding: 24px 0;
    border-bottom: 1px solid #334155;
}

.post-card h3 {
    margin: 0 0 12px;
    font-size: 1.4rem;
}

.post-card h3 a {
    color: #e2e8f0;
    text-decoration: none;
}

.post-card h3 a:hover,
.read-more:hover {
    color: #38bdf8;
}

.read-more {
    color: #94a3b8;
    font-size: 0.9rem;
    text-decoration: none;
}
/* Global navbar */

.site-header {
    width: 100%;
    border-bottom: 1px solid #334155;
    background: #0f172a;
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 18px 24px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.navbar-brand {
    color: #f8fafc;
    font-size: 1.3rem;
    font-weight: 700;
    text-decoration: none;
}

.navbar-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.navbar-links a {
    color: #94a3b8;
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.2s;
}

.navbar-links a:hover,
.navbar-brand:hover {
    color: #38bdf8;
}



/* Mobile navbar */

@media (max-width: 600px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar-links {
        gap: 16px;
    }
}
/* Global watermark */

.site-watermark {
    position: fixed;
    bottom: 16px;
    right: 20px;

    top: auto;
    transform: none;
    writing-mode: horizontal-tb;

    color: #94a3b8;
    opacity: 0.35;

    font-size: 0.75rem;
    font-family: monospace;
    letter-spacing: 0.08em;

    pointer-events: none;
    user-select: none;
    z-index: 10;
}
@media (max-width: 600px) {
    .site-watermark {
        right: 10px;
        bottom: 10px;
        font-size: 0.65rem;
    }
}

/* Admin Dashboard */

.admin-dashboard {
    width: min(100%, 1000px);
    margin: 0 auto;
    padding: 48px 24px 80px;
    color: #e2e8f0;
}

.admin-dashboard > h1 {
    margin: 0 0 12px;
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: #f8fafc;
}

.admin-dashboard > p {
    margin-bottom: 32px;
    color: #94a3b8;
}

.admin-dashboard > section {
    margin-bottom: 28px;
    padding: 28px;
    border: 1px solid #334155;
    border-radius: 16px;
    background: #1e293b;
}

.admin-dashboard > section[hidden] {
    display: none;
}

.admin-dashboard h2 {
    margin: 0 0 20px;
    color: #f8fafc;
    font-size: 1.4rem;
}

.admin-dashboard [role="status"] {
    color: #94a3b8;
    line-height: 1.6;
}

/* Post management list */

#admin-posts-list ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 14px;
}

#admin-posts-list li {
    padding: 20px;
    border: 1px solid #334155;
    border-radius: 12px;
    background: #0f172a;
}

#admin-posts-list li strong {
    display: block;
    margin-bottom: 8px;
    color: #f8fafc;
    font-size: 1.1rem;
    overflow-wrap: anywhere;
}

#admin-posts-list li p {
    margin: 0 0 16px;
    color: #94a3b8;
    font-size: 0.9rem;
    overflow-wrap: anywhere;
}

/* Create and edit forms */

.admin-dashboard form {
    display: grid;
    gap: 18px;
}

.admin-dashboard form > div {
    display: grid;
    gap: 8px;
}

.admin-dashboard label {
    color: #cbd5e1;
    font-size: 0.95rem;
    font-weight: 600;
}

.admin-dashboard input:not([type="hidden"]),
.admin-dashboard textarea {
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    padding: 12px 14px;
    border: 1px solid #475569;
    border-radius: 9px;
    background: #0f172a;
    color: #f8fafc;
    font: inherit;
    line-height: 1.5;
}

.admin-dashboard textarea {
    resize: vertical;
}

.admin-dashboard input:focus-visible,
.admin-dashboard textarea:focus-visible {
    outline: 2px solid #38bdf8;
    outline-offset: 2px;
    border-color: #38bdf8;
}

/* Dashboard buttons */

.admin-dashboard button {
    padding: 10px 16px;
    border: 1px solid #475569;
    border-radius: 9px;
    background: #334155;
    color: #f8fafc;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.admin-dashboard button:hover:not(:disabled) {
    background: #475569;
}

.admin-dashboard button:focus-visible {
    outline: 2px solid #38bdf8;
    outline-offset: 3px;
}

.admin-dashboard button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Primary actions: Save Draft and Save Changes */

.admin-dashboard form button[type="submit"] {
    background: #0369a1;
    border-color: #0284c7;
    color: #fff;
}

.admin-dashboard form button[type="submit"]:hover:not(:disabled) {
    background: #0284c7;
}

/* Post actions: Edit, Publish, Delete */

#admin-posts-list li button {
    margin: 0 8px 8px 0;
}

#admin-posts-list li button:nth-of-type(2) {
    background: #166534;
    border-color: #15803d;
}

#admin-posts-list li button:nth-of-type(2):hover:not(:disabled) {
    background: #15803d;
}

/* Delete is always the last button in each post row. */

#admin-posts-list li button:last-of-type:not(:first-of-type) {
    border-color: #b91c1c;
    background: #7f1d1d;
}

#admin-posts-list li button:last-of-type:not(:first-of-type):hover:not(:disabled) {
    background: #991b1b;
}

/* Mobile layout */

@media (max-width: 600px) {
    .admin-dashboard {
        padding: 28px 16px 64px;
    }

    .admin-dashboard > section {
        padding: 18px;
        border-radius: 12px;
    }

    #admin-posts-list li {
        padding: 16px;
    }

    #admin-posts-list li button {
        margin-bottom: 10px;
    }
}

/* Admin Login */

.admin-login-page {
    width: min(100% - 32px, 440px);
    margin: 72px auto 100px;
    padding: 36px;
    box-sizing: border-box;
    border: 1px solid #334155;
    border-radius: 16px;
    background: #1e293b;
    color: #e2e8f0;
    box-shadow: 0 16px 48px rgb(0 0 0 / 15%);
}

.admin-login-page h1 {
    margin: 0 0 28px;
    color: #f8fafc;
    font-size: 2rem;
    text-align: center;
}

#admin-login-form {
    display: grid;
    gap: 20px;
}

#admin-login-form > div {
    display: grid;
    gap: 8px;
}

#admin-login-form label {
    color: #cbd5e1;
    font-size: 0.95rem;
    font-weight: 600;
}

#admin-login-form input {
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    padding: 12px 14px;
    border: 1px solid #475569;
    border-radius: 9px;
    background: #0f172a;
    color: #f8fafc;
    font: inherit;
}

#admin-login-form input:focus-visible {
    outline: 2px solid #38bdf8;
    outline-offset: 2px;
    border-color: #38bdf8;
}

#admin-login-button {
    width: 100%;
    padding: 13px 18px;
    border: 1px solid #0284c7;
    border-radius: 9px;
    background: #0369a1;
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

#admin-login-button:hover:not(:disabled) {
    background: #0284c7;
}

#admin-login-button:focus-visible {
    outline: 2px solid #38bdf8;
    outline-offset: 3px;
}

#admin-login-button:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

#admin-login-message {
    margin: 0;
    min-height: 1.5em;
    color: #94a3b8;
    font-size: 0.9rem;
    line-height: 1.5;
    text-align: center;
}

@media (max-width: 600px) {
    .admin-login-page {
        margin: 36px auto 64px;
        padding: 24px 20px;
        border-radius: 12px;
    }

    .admin-login-page h1 {
        font-size: 1.7rem;
    }
}