/* style.css */
:root {
    --primary-color: #0284c7;
    --primary-hover: #0369a1;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --success-color: #10b981;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    padding-bottom: 40px;
}

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

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

header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.header-container {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary-color);
}

.logo:hover {
    text-decoration: none;
}

.container {
    max-width: 600px;
    margin: 15px auto;
    padding: 0 16px;
}

.hero {
    text-align: center;
    margin: 24px 0 32px;
}

.hero h1 {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
    color: var(--text-main);
}

.hero p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Post list & card styling */
.posts-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.post-card {
    background-color: var(--card-bg);
    border-radius: 14px;
    padding: 18px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

.post-card h2 {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 8px;
}

.post-card h2 a {
    color: var(--text-main);
}

.post-card h2 a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.post-meta {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.post-excerpt {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-readmore {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-size: 0.88rem;
    font-weight: 600;
}

.btn-readmore:hover {
    text-decoration: none;
    transform: translateX(3px);
    transition: transform 0.2s;
}

/* Post Detail View */
.post-detail {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 24px 20px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-color);
}

.post-detail h1 {
    font-size: 1.5rem;
    line-height: 1.3;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text-main);
}

.post-content {
    font-size: 0.98rem;
    line-height: 1.7;
    color: #334155;
}

.post-content p {
    margin-bottom: 16px;
}

.post-content ul, .post-content ol {
    margin-bottom: 16px;
    padding-left: 20px;
}

.post-content li {
    margin-bottom: 6px;
}

.btn-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 16px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

/* Pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
}

/* Global Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: white;
    padding: 10px 18px;
    border-radius: 10px;
    border: none;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.btn:hover {
    background-color: var(--primary-hover);
    text-decoration: none;
    color: white;
}

.btn-secondary {
    background-color: #f1f5f9;
    color: #475569;
}

.btn-secondary:hover {
    background-color: #e2e8f0;
    color: #1e293b;
}

.btn-danger {
    background-color: #fee2e2;
    color: #ef4444;
}

.btn-danger:hover {
    background-color: #fca5a5;
    color: #b91c1c;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 8px;
}

/* Forms & Admin Panel */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.88rem;
    color: #334155;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    background-color: #f8fafc;
    outline: none;
    transition: all 0.2s;
}

.form-control:focus {
    border-color: var(--primary-color);
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.12);
}

textarea.form-control {
    resize: vertical;
    min-height: 200px;
    line-height: 1.6;
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 0.88rem;
    font-weight: 500;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

/* Admin lists */
.admin-post-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.admin-post-info {
    flex: 1;
    min-width: 0;
}

.admin-post-info h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 4px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}

.admin-post-actions {
    display: flex;
    gap: 6px;
}

/* Footer styling */
footer {
    text-align: center;
    padding: 24px 16px;
    font-size: 0.78rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
    background-color: var(--card-bg);
}