:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --success: #10b981;
    --danger: #ef4444;
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Segoe UI', sans-serif; }
body { background-color: var(--bg-color); color: var(--text-main); line-height: 1.6; padding-bottom: 40px; }
.login-container { max-width: 400px; margin: 100px auto; padding: 30px; background: var(--card-bg); border-radius: 12px; box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05); border: 1px solid var(--border-color); }
.login-title { text-align: center; margin-bottom: 24px; color: var(--primary-color); font-size: 24px; font-weight: 700; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 14px; }
.form-control { width: 100%; padding: 10px 14px; border: 1px solid var(--border-color); border-radius: 8px; font-size: 15px; }
.form-control:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1); }
.btn { display: inline-block; width: 100%; padding: 12px; background-color: var(--primary-color); color: white; border: none; border-radius: 8px; font-weight: 600; cursor: pointer; text-align: center; text-decoration: none; }
.btn:hover { background-color: var(--primary-hover); }
.navbar { background-color: var(--card-bg); border-bottom: 1px solid var(--border-color); padding: 16px 24px; display: flex; justify-content: space-between; align-items: center; }
.navbar-brand { font-weight: 700; color: var(--primary-color); font-size: 20px; }
.logout-btn { color: var(--danger); text-decoration: none; font-weight: 600; }
.container { max-width: 1000px; margin: 30px auto; padding: 0 20px; }
.grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media(min-width: 768px) { .grid { grid-template-columns: 2fr 1fr; } }
.card { background: var(--card-bg); border-radius: 12px; border: 1px solid var(--border-color); padding: 24px; margin-bottom: 24px; }
.card-title { margin-bottom: 16px; font-size: 18px; font-weight: 600; border-bottom: 2px solid var(--border-color); padding-bottom: 8px; }
.jurnal-item { border-bottom: 1px solid var(--border-color); padding: 20px 0; }
.jurnal-img { max-width: 100%; max-height: 400px; border-radius: 8px; margin-top: 12px; object-fit: cover; }
.comment-box { background-color: #f1f5f9; padding: 12px 16px; border-radius: 8px; margin-top: 12px; border-left: 4px solid var(--primary-color); }
.list-group { list-style: none; }
.list-group-item { padding: 12px 16px; border: 1px solid var(--border-color); margin-bottom: 8px; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; }
.list-group-item a { text-decoration: none; color: var(--text-main); font-weight: 600; }