:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --bg: #f3f4f6;
    --text: #1f2937;
    --border: #e5e7eb;
    --card-bg: #ffffff;
}

body {
    font-family: system-ui, -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 20px;
    line-height: 1.5;
}

h1, h2, h3 { color: #111827; }

/* Login Container */
.login-bg { display: flex; align-items: center; justify-content: center; height: 100vh; padding: 0; }
.login-container { background: var(--card-bg); padding: 2rem; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); width: 100%; max-width: 400px; }

/* Forms */
.form-standard { background: var(--card-bg); padding: 20px; border-radius: 8px; border: 1px solid var(--border); max-width: 600px; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 500; margin-bottom: 0.5rem; }
.form-group input { width: 100%; padding: 0.5rem; border: 1px solid var(--border); border-radius: 4px; box-sizing: border-box; }
.form-group small { color: #6b7280; font-size: 0.875rem; }

/* Buttons */
.btn { display: inline-block; padding: 0.5rem 1rem; font-size: 1rem; font-weight: 500; text-align: center; text-decoration: none; border-radius: 4px; cursor: pointer; border: 1px solid transparent; }
.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { background-color: var(--primary-hover); }
.btn-danger { background-color: var(--danger); color: white; }
.btn-danger:hover { background-color: var(--danger-hover); }
.btn-small { padding: 0.25rem 0.5rem; font-size: 0.875rem; }
.w-100 { width: 100%; }

/* Tables */
.table-data { width: 100%; border-collapse: collapse; background: var(--card-bg); border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.1); margin-top: 20px; }
.table-data th, .table-data td { padding: 12px 15px; text-align: left; border-bottom: 1px solid var(--border); }
.table-data th { background-color: #f9fafb; font-weight: 600; }
.table-data tr:hover { background-color: #f9fafb; }

/* Layout & Utils */
.module-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.inline-form { display: inline; }
.alert { padding: 10px; border-radius: 4px; margin-bottom: 15px; }
.alert-danger { background-color: #fee2e2; color: #991b1b; border: 1px solid #f87171; }

/* Layout & Navigasjon */
.layout-container { max-width: 1200px; margin: 0 auto; padding-top: 20px; }
.top-nav { background-color: #111827; padding: 15px 20px; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.top-nav a { color: #e5e7eb; text-decoration: none; margin-right: 20px; font-weight: 500; font-size: 1.05rem; transition: color 0.2s; }
.top-nav a:hover { color: #ffffff; text-decoration: underline; }
.nav-user { display: flex; align-items: center; gap: 15px; color: #9ca3af; font-size: 0.9rem; }
.btn-logout { background: #374151; padding: 6px 12px; border-radius: 4px; font-size: 0.875rem !important; }
.btn-logout:hover { background: var(--danger); text-decoration: none !important; }
.content { padding: 30px; background: var(--card-bg); border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }