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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f9f9f9;
    color: #333;
    line-height: 1.7;
}

.container { max-width: 720px; margin: 0 auto; padding: 0 20px; }

header {
    background: #2c3e50;
    color: #fff;
    padding: 16px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 { font-size: 20px; }
header h1 a { color: #fff; text-decoration: none; }

header nav a {
    color: #bdc3c7;
    margin-left: 16px;
    text-decoration: none;
    font-size: 14px;
}

header nav a:hover { color: #fff; }

main { padding: 32px 0; }

h2 { margin-bottom: 16px; font-size: 24px; }

article {
    background: #fff;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

article h2 a {
    color: #2c3e50;
    text-decoration: none;
}

article h2 a:hover { color: #3498db; }

.meta {
    color: #999;
    font-size: 13px;
    margin-bottom: 12px;
}

.excerpt { color: #666; font-size: 14px; }

.empty {
    text-align: center;
    color: #999;
    padding: 64px 0;
    font-size: 18px;
}

.flash {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}

.flash.error { background: #fce4e4; color: #c0392b; border: 1px solid #f5c6cb; }
.flash.success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }

.auth-form, .post-form {
    background: #fff;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,.08);
}

label {
    display: block;
    margin-bottom: 16px;
    font-size: 14px;
    font-weight: 600;
    color: #555;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    margin-top: 6px;
    transition: border .2s;
}

input:focus, textarea:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 0 3px rgba(52,152,219,.15);
}

textarea { resize: vertical; min-height: 200px; }

button {
    background: #3498db;
    color: #fff;
    border: none;
    padding: 10px 24px;
    border-radius: 6px;
    font-size: 15px;
    cursor: pointer;
    font-weight: 600;
}

button:hover { background: #2980b9; }

.auth-link {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: #999;
}

.auth-link a { color: #3498db; text-decoration: none; }

.full-post .content {
    margin-top: 16px;
    font-size: 15px;
    line-height: 1.9;
    color: #444;
}

.pagination {
    text-align: center;
    margin-top: 24px;
}

.pagination a {
    display: inline-block;
    padding: 6px 12px;
    margin: 0 3px;
    background: #fff;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    border: 1px solid #ddd;
}

.pagination a.active {
    background: #3498db;
    color: #fff;
    border-color: #3498db;
}

.pagination a:hover:not(.active) { border-color: #3498db; }