html, body {
    margin: 0;
    min-height: 100%;
    font-family: "Nunito Sans", Arial, sans-serif;
    background: #f5f7fb;
    color: #1f2937;
}

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

.customer-login-card {
    width: 100%;
    max-width: 28rem;
    background: #ffffff;
    border-radius: 1rem;
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.12);
    padding: 2rem;
}

.customer-login-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.customer-login-header h1 {
    margin: 1rem 0 0.5rem;
    font-size: 1.75rem;
}

.customer-login-header p {
    margin: 0;
    color: #6b7280;
}

.customer-login-logo {
    max-width: 12rem;
}

.customer-login-form {
    display: grid;
    gap: 0.75rem;
}

.customer-login-form label {
    font-size: 0.95rem;
    font-weight: 600;
}

.customer-login-form input {
    border: 1px solid #d1d5db;
    border-radius: 0.75rem;
    padding: 0.875rem 1rem;
    font-size: 1rem;
}

.customer-login-primary,
.customer-login-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 3rem;
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
}

.customer-login-primary {
    border: 0;
    background: #1d4ed8;
    color: #ffffff;
    margin-top: 0.5rem;
}

.customer-login-secondary {
    border: 1px solid #cbd5e1;
    background: #ffffff;
    color: #111827;
}

.customer-login-secondary[disabled] {
    color: #9ca3af;
    cursor: not-allowed;
}

.customer-login-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.25rem 0;
    color: #94a3b8;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
}

.customer-login-divider::before,
.customer-login-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: #e2e8f0;
}

.customer-login-alert {
    border-radius: 0.75rem;
    padding: 0.875rem 1rem;
    margin-bottom: 1rem;
}

.customer-login-alert-error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}