.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.auth-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 24px rgba(0,0,0,0.07);
}

.auth-logo { margin-bottom: 1.5rem; }
.auth-logo img { height: 52px; width: auto; }

.auth-title {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.25rem;
}

.auth-subtitle {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 1.5rem;
}

.auth-flash {
    padding: 0.625rem 0.75rem;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 1.25rem;
}

.auth-flash-error { background: #fee; border: 1px solid #fcc; color: #c00; }
.auth-flash-ok { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }

.field { margin-bottom: 1.25rem; }
.field label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.4rem;
}
.field input {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1.5px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
    box-sizing: border-box;
}
.field input:focus {
    border-color: #005596;
    box-shadow: 0 0 0 3px rgba(0,85,150,0.1);
}
.field-hint {
    font-size: 12px;
    color: #6b7280;
    margin-top: 0.3rem;
}

.btn-primary {
    width: 100%;
    padding: 0.7rem;
    background: #005596;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.15s;
}
.btn-primary:hover { background: #004a80; }

.auth-foot {
    margin-top: 1.5rem;
    font-size: 13px;
    color: #6b7280;
    text-align: center;
}
.auth-foot a { color: #005596; font-weight: 500; text-decoration: none; }
.auth-foot a:hover { text-decoration: underline; }

.impersonation-banner {
    background: #fef3c7;
    border-bottom: 1px solid #fcd34d;
    color: #78350f;
    padding: 0.6rem 1.25rem;
    font-size: 13px;
    text-align: center;
}
.impersonation-banner .banner-btn {
    margin-left: 0.5rem;
    background: #78350f;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 0.25rem 0.75rem;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}
.impersonation-banner .banner-btn:hover { background: #92400e; }