@import url('https://fonts.googleapis.com/css2?family=Source+Serif+Pro:wght@400;600;700&family=Source+Sans+Pro:wght@400;600&display=swap');

/* --- Base & Typography --- */
:root {
    --bg-color: #f4f4f4;
    --card-bg-color: #fff;
    --text-color: #333;
    --heading-color: #111;
    --border-color: #eee;
    --primary-color: #003d82;
    --primary-hover-color: #007bff;
    --blockquote-color: #555;
    --code-bg-color: #f4f4f4;
    --shadow-color: rgba(0,0,0,0.05);
    --success-bg: #d1e7dd;
    --success-text: #0f5132;
    --success-border: #badbcc;
    --table-stripe-color: #f8f9fa;
}

html.dark-mode {
    --bg-color: #121212;
    --card-bg-color: #1e1e1e;
    --text-color: #e0e0e0;
    --heading-color: #ffffff;
    --border-color: #333;
    --primary-color: #5c8fd6;
    --primary-hover-color: #7aa5e0;
    --blockquote-color: #b0bec5;
    --code-bg-color: #2a2a2a;
    --shadow-color: rgba(255,255,255,0.05);
    --success-bg: #2e4430;
    --success-text: #a5d6a7;
    --success-border: #38523a;
    --table-stripe-color: rgba(255,255,255,0.03);
}

body, html {
    margin: 0;
    padding: 0;
    font-family: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    font-size: 18px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.shadow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(to bottom, var(--shadow-color), transparent);
    z-index: 100;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-hover-color);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Source Serif Pro', serif;
    color: var(--heading-color);
    line-height: 1.3;
    font-weight: 700;
}

/* --- Layout --- */
main {
    max-width: 1200px;
    margin: 30px auto;
    padding: 30px 50px;
    background-color: var(--card-bg-color);
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.blog-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
}

.main-content { grid-column: 1 / 2; }
.sidebar { grid-column: 2 / 3; }

/* --- Header --- */
header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

header h1 a {
    font-size: 2.2rem;
    color: var(--heading-color);
    text-decoration: none;
    font-weight: bold;
}

/* --- Sidebar --- */
.sidebar nav {
    position: sticky;
    top: 40px;
}

.sidebar h3 {
    font-size: 1.2rem;
    color: var(--heading-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-top: 30px;
    margin-bottom: 15px;
}
.sidebar h3:first-child { margin-top: 0; }

.sidebar h3 a {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar a {
    display: block;
    padding: 5px 0;
    color: var(--text-color);
    font-size: 0.95rem;
}

.sidebar a.active {
    font-weight: bold;
    color: var(--heading-color);
}

/* --- Sidebar Icon Nav --- */
.aside-nav-icons {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    align-items: center;
    padding-bottom: 10px;
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.aside-nav-icons h3 {
    margin: 0;
    padding: 0;
    border: none;
}

/* --- Theme Toggle --- */
#theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
}
#theme-toggle svg {
    stroke: var(--heading-color);
}
.moon { display: none; }
.sun { display: block; }
.dark-mode .moon { display: block; }
.dark-mode .sun { display: none; }

/* --- User Authenticated Icon --- */
.user-authenticated svg {
    stroke: #28a745;
}
.dark-mode .user-authenticated svg {
    stroke: var(--primary-color);
}

/* --- Admin Icon --- */
.admin-icon svg {
    stroke: #dc3545;
}
.dark-mode .admin-icon svg {
    stroke: #ff6b6b;
}

/* --- Home Active Icon --- */
.home-active svg {
    stroke: var(--primary-hover-color);
}
.dark-mode .home-active svg {
    stroke: var(--primary-color);
}


/* --- Article List --- */
.article-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.article-grid article {
    background-color: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 0;
    background-size: cover;
    background-position: center;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 0;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.article-grid article::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: none;
    z-index: 1;
    transition: background 0.3s ease;
}

.dark-mode .article-grid article::before {
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0.1) 100%);
}

.article-grid article:hover::before {
    background: none;
}

.dark-mode .article-grid article:hover::before {
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.15) 100%);
}

.article-grid .card-content {
    position: relative;
    z-index: 2;
    padding: 24px;
    background: linear-gradient(to top, rgba(255,255,255,0.95), rgba(255,255,255,0.7));
    backdrop-filter: blur(10px);
    transition: background 0.3s ease;
}

.dark-mode .article-grid .card-content {
    background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0.5));
}

.article-grid article:hover .card-content {
    background: linear-gradient(to top, rgba(255,255,255,0.98), rgba(255,255,255,0.85));
}

.dark-mode .article-grid article:hover .card-content {
    background: linear-gradient(to top, rgba(0,0,0,0.95), rgba(0,0,0,0.7));
}

.article-grid article .article-title h3 {
    margin: 0 0 4px 0;
}

.article-grid article .article-title h3 a {
    color: var(--heading-color);
    font-size: 1.6rem;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    transition: all 0.2s ease;
}

.dark-mode .article-grid article .article-title h3 a {
    color: #fff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.article-grid article:hover .article-title h3 a {
    color: var(--heading-color);
    text-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.dark-mode .article-grid article:hover .article-title h3 a {
    color: #fff;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.article-grid article p.small {
    color: var(--text-color);
    font-size: 0.85rem;
    margin: 0;
    text-shadow: 0 1px 1px rgba(0,0,0,0.05);
    letter-spacing: 0.5px;
    font-weight: 500;
}

.dark-mode .article-grid article p.small {
    color: rgba(255,255,255,0.9);
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.article-grid article:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

.dark-mode .article-grid article {
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.dark-mode .article-grid article:hover {
    box-shadow: 0 12px 24px rgba(0,0,0,0.5);
}

.article-title h3 a {
    font-size: 1.8rem;
    color: var(--heading-color);
}

p.small {
    color: #777;
    margin: 0;
}
.dark-mode p.small { color: #888; }

/* --- Single Article Content --- */
.main-content h2 { font-size: 2rem; }
.main-content p { margin-bottom: 1.5em; }
.main-content ul, .main-content ol { padding-left: 25px; margin-bottom: 1.5em; }
.main-content li { margin-bottom: 0.5em; }

.main-content blockquote {
    border-left: 3px solid var(--primary-hover-color);
    padding-left: 20px;
    margin: 25px 0;
    color: var(--blockquote-color);
    font-style: italic;
}

.main-content pre {
    background-color: var(--code-bg-color);
    color: var(--text-color);
    padding: 20px;
    border-radius: 5px;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

.main-content code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
    background-color: var(--code-bg-color);
    color: #d63384;
    padding: 3px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}
.dark-mode .main-content code { color: #f06292; }

.main-content pre code { background-color: transparent; padding: 0; border: none; }

.main-content img {
    max-width: 80%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    margin: 50px auto;
    display: block;
}

.dark-mode .main-content img {
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.main-content figure {
    max-width: 80%;
    margin: 30px auto;
    text-align: center;
}

.main-content figure img {
    margin: 0 auto 10px;
    max-width: 100%;
}

.main-content figcaption {
    font-size: 0.9rem;
    color: #777;
    font-style: italic;
    padding: 10px 20px;
    border-top: 2px solid var(--border-color);
    margin-top: 10px;
}

.dark-mode .main-content figcaption {
    color: #999;
}

@media (max-width: 768px) {
    .main-content img {
        max-width: 100%;
    }

    .main-content figure {
        max-width: 100%;
    }

    .dashboard-table thead tr th:first-child,
    .dashboard-table tbody tr td:first-child,
    .dashboard-table thead tr th:last-child,
    .dashboard-table tbody tr td:last-child {
        display: none;
    }

}

/* --- Footer --- */
footer {
    text-align: center;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: #888;
    font-size: 0.9rem;
}

/* --- Alerts --- */
.alert {
    padding: 15px 20px;
    margin-bottom: 25px;
    border: 1px solid transparent;
    border-radius: 5px;
}

.alert-success {
    color: var(--success-text);
    background-color: var(--success-bg);
    border-color: var(--success-border);
}

/* --- Nav Toggle (Hamburger) --- */
.nav-toggle { display: none; cursor: pointer; border: none; background: transparent; padding: 10px; position: absolute; top: 43%; right: 0; transform: translateY(-50%); z-index: 1000; }
.hamburger { display: block; position: relative; width: 24px; height: 2px; background: var(--heading-color); transition: background 0.2s ease-in-out; }
.hamburger::before, .hamburger::after { content: ''; position: absolute; left: 0; width: 100%; height: 2px; background: var(--heading-color); transition: transform 0.2s ease-in-out; }
.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* --- Responsive --- */
@media (max-width: 992px) {
    .nav-toggle { display: block; }
    .blog-layout { grid-template-columns: 1fr; gap: 40px; }
    .sidebar { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--card-bg-color); z-index: 999; padding: 60px 20px 20px; box-sizing: border-box; overflow-y: auto; }
    .sidebar.sidebar-visible { display: block; }
    .sidebar nav { position: static; text-align: center; }
    .aside-nav-icons { justify-content: center; }
}

@media (max-width: 768px) {

    .article-grid {
        grid-template-columns: 1fr;
    }

    main {
        margin: 0;
        padding: 30px 20px;
        border-radius: 0;
        border: none;
        box-shadow: none;
    }

    header h1 a {
        font-size: 1.8rem;
    }

    .article-title h3 a {
        font-size: 1.5rem;
    }

    .main-content h2 {
        font-size: 1.7rem;
    }
}

/* Styles for post content */
article h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

article h2 {
    font-size: 2rem;
    font-weight: bold;
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
}

article h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

article a {
    color: var(--primary-color);
    text-decoration: underline;
}

article a:hover {
    color: var(--primary-hover-color);
}

section > h2 {
    margin-top: 0;
}

.disabled {
    display: none;
}

/* .form-login { */
/*     display: flex; */
/*     flex-flow: column; */
/* } */

.form-login form {
    max-width: 60%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    margin: 50px auto;
    padding: 40px 50px 50px 50px;
    display: flex;
    flex-flow: column wrap;

}

.form-login input {
    border-radius: 4px;
    border: 1px solid #ccc;
    padding: 10px;
    font-size: 1em;
    width: 100%;
    box-sizing: border-box;
}

.form-login button, .btn-primary {
    background-color: #205290;
    color: #fff;
    border: none;
    padding: 10px 15px;
    font-size: 1em;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;
}

.form-login button {
    margin-top: 20px;
}

/* === Dashboard Stats Blocks === */
/* --- Dashboard --- */
.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin-top: 10px;
}

.btn-primary:hover {
    background-color: var(--primary-hover-color);
}

.dark-mode .btn-primary {
    background-color: var(--primary-color);
}

.dark-mode .btn-primary:hover {
    background-color: var(--primary-hover-color);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0 40px 0;
}

.stat-card {
    background: var(--card-bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 4px 12px var(--shadow-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px var(--shadow-color);
}

.stat-label {
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
    opacity: 0.8;
}

.stat-value {
    color: var(--heading-color);
    font-size: 2.5rem;
    font-weight: 700;
    font-family: 'Source Serif Pro', serif;
}

/* === Dashboard Table === */
.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow-color);
    margin-top: 24px;
}

.dashboard-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg-color);
    border-radius: 12px;
    overflow: hidden;
}

.dashboard-table thead {
    background: var(--primary-color);
    color: #fff;
}

.dark-mode .dashboard-table thead {
    background: var(--primary-color);
}

.dashboard-table th {
    padding: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-align: left;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.dashboard-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}

.dashboard-table tbody tr:last-child td {
    border-bottom: none;
}

.dashboard-table tbody tr:nth-child(even) {
    background-color: var(--table-stripe-color);
}

.dashboard-table tbody tr:hover {
    background-color: var(--bg-color);
}

.dark-mode .dashboard-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.dashboard-pagination {
    margin-top: 30px;
}

.dashboard-pagination nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 20px 0;
}

.dashboard-pagination a,
.dashboard-pagination span {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s ease;
    background: var(--card-bg-color);
}

.dashboard-pagination a:hover {
    background: var(--primary-hover-color);
    color: #fff;
    border-color: var(--primary-hover-color);
}

.dashboard-pagination .active span {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    font-weight: 600;
}

.dark-mode .dashboard-pagination a:hover {
    background: var(--primary-hover-color);
    border-color: var(--primary-hover-color);
}

.dark-mode .dashboard-pagination .active span {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.dashboard-pagination svg {
    max-height: 16px;
    width: 16px;
}

@media (max-width: 768px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }

    .dashboard-table th,
    .dashboard-table td {
        padding: 10px 8px;
        font-size: 0.9rem;
    }

    .stat-value {
        font-size: 2rem;
    }
}