/* Google Material Design - Clean & Modern */
* { box-sizing: border-box; }
body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0; padding: 0; background: #f8f9fa;
    color: #202124; line-height: 1.5;
}
.navbar {
    background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center;
}
.nav-brand { font-size: 1.5rem; font-weight: 500; color: #1a73e8; }
.nav-menu { display: flex; align-items: center; }
.nav-menu a {
    margin-left: 2rem; color: #5f6368; text-decoration: none; font-weight: 500;
}
.nav-menu a:hover { color: #1a73e8; }
.nav-menu form { margin-left: 2rem; display:inline;}
.container { max-width: 1200px; margin: 2rem auto; padding: 0 1rem; }
h1, h2 { color: #202124; }
.page-header { margin-bottom: 2rem; }
.page-header h1 { margin-bottom: 0.5rem; }
.page-header .roles { display: flex; gap: 0.5rem; }
button, .btn {
    background: #1a73e8; color: white; border: 1px solid transparent; padding: 0.75rem 1.5rem;
    border-radius: 4px; font-weight: 500; cursor: pointer; transition: background 0.2s, color 0.2s, border-color 0.2s;
}
button:hover, .btn:hover { background: white; color: #1a73e8; border-color: #1a73e8; }
.btn-secondary { background: #f8f9fa; color: #3c4043; border: 1px solid #dadce0; }
input, textarea, select {
    width: 100%; padding: 0.75rem; border: 1px solid #dadce0; border-radius: 4px;
    font-size: 1rem; margin-bottom: 1rem;
}
input:focus { outline: none; border-color: #1a73e8; box-shadow: 0 0 0 2px rgba(26,115,232,0.2); }
.alert {
    padding: 1rem; margin-bottom: 1rem; border-radius: 4px; font-weight: 500;
}
.alert-success { background: #e8f0fe; border-left: 4px solid #1a73e8; }
.alert-error { background: #fce8e6; border-left: 4px solid #ea4335; }
.table { width: 100%; border-collapse: collapse; background: white; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.table th, .table td { padding: 1rem; text-align: left; border-bottom: 1px solid #f1f3f4; }
.table th { background: #f8f9fa; font-weight: 500; }
.footer { text-align: center; padding: 2rem; color: #5f6368; border-top: 1px solid #dadce0; margin-top: 4rem; }

/* Cards */
.card { background: white; border-radius: 8px; padding: 2rem; box-shadow: 0 2px 8px rgba(0,0,0,0.1); margin-bottom: 2rem; }

/* Stats grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.5rem; }
.stats-card { text-align: center; }
.stats-value { font-size: 2rem; font-weight: 500; color: #1a73e8; }
.stats-label { color: #5f6368; font-size: 0.875rem; margin-top: 0.25rem; }

.table-container { overflow-x: auto; margin-top: 1rem; }
.badge { 
    padding: 0.25rem 0.5rem; border-radius: 12px; font-size: 0.8rem; 
    font-weight: 500; margin-right: 0.25rem;
}
.badge-success { background: #e8f0fe; color: #1a73e8; }
.badge-error { background: #fce8e6; color: #ea4335; }
.btn-sm { padding: 0.25rem 0.75rem; font-size: 0.875rem; }
.roles { display: inline-flex; flex-wrap: wrap; gap: 0.25rem; }
.text-muted { color: #5f6368; font-style: italic; }

.form-group { margin-bottom: 1.5rem; }
.form-control { 
    width: 100%; padding: 0.75rem; border: 1px solid #dadce0; 
    border-radius: 4px; font-size: 1rem;
}
.form-control:focus { border-color: #1a73e8; box-shadow: 0 0 0 2px rgba(26,115,232,0.2); }
.checkbox-label { display: flex; align-items: center; font-weight: 500; }
.checkbox-label input { margin-right: 0.5rem; width: auto; }
.form-actions { display: flex; gap: 1rem; margin-top: 2rem; }
.table td.actions { display: flex; align-items: center; gap: 0.5rem; }
.table td.actions form { margin: 0; }

/* Login page */
.login-page { font-family: 'Roboto', Arial, sans-serif; max-width: 400px; margin: 100px auto; padding: 20px; background: #f8f9fa; }
.login-box h2 { margin-bottom: 1rem; }
.flash { color: #ea4335; margin: 10px 0; font-weight: 500; }
.login-box button, .login-box .btn { width: 100%; display: block; text-align: center; text-decoration: none; font-size: 1rem; }
.divider {
    display: flex; align-items: center; margin: 1rem 0; color: #5f6368; font-size: 0.875rem;
}
.divider::before, .divider::after {
    content: ''; flex: 1; border-bottom: 1px solid #dadce0;
}
.divider::before { margin-right: 0.75rem; }
.divider::after { margin-left: 0.75rem; }