body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
    padding: 36px 32px;
    width: 100%;
    max-width: 400px;
    border-top: 3px solid #667eea;
}

.logo { text-align: center; margin-bottom: 28px; }
.logo h1 { font-size: 1.5em; font-weight: 700; color: #333; margin-bottom: 4px; }
.logo p  { color: #999; font-size: 0.82em; }

.form-group { margin-bottom: 16px; }

label {
    display: block;
    font-size: 0.82em;
    font-weight: 600;
    color: #555;
    margin-bottom: 6px;
}

input, select {
    width: 100%;
    padding: 11px 13px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 0.95em;
    color: #333;
    font-family: inherit;
    transition: border-color 0.2s;
    background: white;
}
input:focus, select:focus { outline: none; border-color: #667eea; }

.alert {
    border-radius: 5px;
    padding: 10px 13px;
    font-size: 0.85em;
    margin-bottom: 16px;
}
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-warn  { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }

.btn-login {
    width: 100%;
    padding: 13px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 4px;
}
.btn-login:hover    { background: #5568d3; }
.btn-login:disabled { background: #a5b4fc; cursor: not-allowed; }

.hint { text-align: center; margin-top: 18px; font-size: 0.78em; color: #bbb; }

.no-shops {
    text-align: center;
    padding: 20px;
    background: #f9fafb;
    border-radius: 6px;
    color: #666;
    font-size: 0.9em;
}
.no-shops a { color: #667eea; font-weight: 600; }
.no-shops p + p { margin-top: 8px; }

/* Einzelner Shop (kein Dropdown nötig) */
.shop-display {
    background: #f9fafb;
    padding: 10px 13px;
    border-radius: 5px;
    font-size: 0.88em;
    color: #555;
}