.fpt-otp-box {
    max-width: 420px;
    margin: auto;
    padding: 22px;
    border: 1px solid #d6dde7;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.fpt-otp-box h3 {
    margin: 0 0 14px;
    font-size: 20px;
}

.fpt-otp-box input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #c8d3e0;
    border-radius: 8px;
    box-sizing: border-box;
}

.fpt-otp-box button {
    width: 100%;
    padding: 10px;
    background: #0073aa;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.fpt-otp-box button:hover {
    background: #005f8d;
}

.fpt-otp-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
}

.fpt-otp-tabs .fpt-tab {
    padding: 8px;
    border: 1px solid #c8d3e0;
    background: #f5f8fc;
    color: #16324f;
}

.fpt-otp-tabs .fpt-tab.is-active {
    background: #16324f;
    color: #fff;
    border-color: #16324f;
}

.fpt-msg {
    margin-top: 12px;
    font-size: 14px;
}

.fpt-otp-box .form-row {
    margin-bottom: 12px;
}

.fpt-otp-box .input-text {
    margin-bottom: 0;
}

.fpt-otp-box .button {
    margin-right: 8px;
}

.fpt-otp-box .fpt-otp-actions .button,
.fpt-otp-box .fpt-login-actions .button,
.fpt-woo-register-actions .button,
.fpt-woo-login-otp-actions .button,
.fpt-woo-lost-actions .button,
button.fpt-woo-send-login-otp,
button.fpt-woo-verify-login-otp,
button.fpt-woo-send-register-otp,
button.fpt-woo-verify-register-otp,
button.fpt-woo-complete-register,
button.fpt-woo-send-lost-otp,
button.fpt-woo-verify-lost-otp,
button.fpt-woo-reset-lost-password,
.fpt-otp-box .fpt-reset-actions .button {
    width: auto;
    min-width: 130px;
}

/* Keep Woo OTP action buttons visually consistent across Login/Register/Forgot blocks */
.fpt-woo-login-otp-actions .button,
.fpt-woo-register-actions .button,
.fpt-woo-lost-actions .button,
button.fpt-woo-send-login-otp,
button.fpt-woo-verify-login-otp,
button.fpt-woo-send-register-otp,
button.fpt-woo-verify-register-otp,
button.fpt-woo-complete-register,
button.fpt-woo-send-lost-otp,
button.fpt-woo-verify-lost-otp,
button.fpt-woo-reset-lost-password {
    width: 100% !important;
    min-width: 130px;
    min-height: 40px;
    padding: 10px 16px;
    border-radius: var(--btn-shop-brd-radius, 8px);
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
    background: var(--btn-shop-bgcolor, #0073aa);
    border: 1px solid var(--btn-shop-bgcolor, #0073aa);
    color: var(--btn-shop-color, #fff);
    box-shadow: var(--btn-shop-box-shadow, none);
}

.fpt-woo-login-otp-actions .button:hover,
.fpt-woo-register-actions .button:hover,
.fpt-woo-lost-actions .button:hover,
button.fpt-woo-send-login-otp:hover,
button.fpt-woo-verify-login-otp:hover,
button.fpt-woo-send-register-otp:hover,
button.fpt-woo-verify-register-otp:hover,
button.fpt-woo-complete-register:hover,
button.fpt-woo-send-lost-otp:hover,
button.fpt-woo-verify-lost-otp:hover,
button.fpt-woo-reset-lost-password:hover {
    background: var(--btn-shop-bgcolor-hover, #005f8d);
    border-color: var(--btn-shop-bgcolor-hover, #005f8d);
    color: var(--btn-shop-color, #fff);
}

.fpt-woo-login-otp-actions .button.alt,
.fpt-woo-register-actions .button.alt,
.fpt-woo-lost-actions .button.alt,
button.fpt-woo-send-login-otp.alt,
button.fpt-woo-verify-login-otp.alt,
button.fpt-woo-send-register-otp.alt,
button.fpt-woo-verify-register-otp.alt,
button.fpt-woo-complete-register.alt,
button.fpt-woo-send-lost-otp.alt,
button.fpt-woo-verify-lost-otp.alt,
button.fpt-woo-reset-lost-password.alt {
    background: var(--btn-shop-bgcolor, #0073aa);
    border-color: var(--btn-shop-bgcolor, #0073aa);
    color: var(--btn-shop-color, #fff);
}

.fpt-woo-login-otp-actions .button.alt:hover,
.fpt-woo-register-actions .button.alt:hover,
.fpt-woo-lost-actions .button.alt:hover,
button.fpt-woo-send-login-otp.alt:hover,
button.fpt-woo-verify-login-otp.alt:hover,
button.fpt-woo-send-register-otp.alt:hover,
button.fpt-woo-verify-register-otp.alt:hover,
button.fpt-woo-complete-register.alt:hover,
button.fpt-woo-send-lost-otp.alt:hover,
button.fpt-woo-verify-lost-otp.alt:hover,
button.fpt-woo-reset-lost-password.alt:hover {
    background: var(--btn-shop-bgcolor-hover, #005f8d);
    border-color: var(--btn-shop-bgcolor-hover, #005f8d);
    color: var(--btn-shop-color, #fff);
}

.fpt-otp-box .fpt-inline-links {
    margin: 4px 0 12px;
    font-size: 13px;
    color: #4a5568;
}

.fpt-otp-box .fpt-inline-links a,
.fpt-otp-box .fpt-back-login {
    text-decoration: underline;
}

.fpt-otp-box .fpt-sep {
    margin: 0 8px;
    color: #94a3b8;
}

.fpt-otp-box .fpt-reset-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.fpt-otp-box .fpt-msg {
    padding: 10px 12px;
    margin-top: 6px;
}

.fpt-msg.is-error {
    color: #c53030;
}

.fpt-msg.is-success {
    color: #1e7d32;
}

body.fpt-otp-hide-register-email form.woocommerce-form-register p.form-row:has(#reg_email),
body.fpt-otp-hide-register-email form.woocommerce-form-register p.woocommerce-form-row:has(#reg_email),
body.fpt-otp-hide-register-email form.woocommerce-form-register .form-row:has(input[name='email']),
body.fpt-otp-hide-register-email form.woocommerce-form-register .woocommerce-form-row:has(input[name='email']),
body.fpt-otp-hide-register-email form.woocommerce-form-register .form-row:has(input[name='reg_email']),
body.fpt-otp-hide-register-email form.woocommerce-form-register .woocommerce-form-row:has(input[name='reg_email']) {
    display: none;
}

/* Hide native WooCommerce form rows immediately to prevent flash before JS transforms them */
body.fpt-otp-forgot-mode form.woocommerce-ResetPassword .form-row:not(.fpt-woo-lost-phone):not(.fpt-woo-lost-otp-row):not(.fpt-woo-lost-newpass-row):not(.fpt-woo-lost-actions),
body.fpt-otp-forgot-mode form.woocommerce-ResetPassword .woocommerce-form-row:not(.fpt-woo-lost-phone):not(.fpt-woo-lost-otp-row):not(.fpt-woo-lost-newpass-row):not(.fpt-woo-lost-actions) {
    display: none;
}

body.fpt-otp-register-mode form.woocommerce-form-register .form-row:not(.fpt-woo-register-phone):not(.fpt-woo-register-otp-row):not(.fpt-woo-register-actions),
body.fpt-otp-register-mode form.woocommerce-form-register .woocommerce-form-row:not(.fpt-woo-register-phone):not(.fpt-woo-register-otp-row):not(.fpt-woo-register-actions) {
    display: none;
}

/* Theme-specific My Account layouts (custom forms outside Woo defaults) */
body.fpt-otp-login-mode #customer_login .col-login form .form-row-password,
body.fpt-otp-login-mode #customer_login .col-login form .form-row:has(button[name='login']),
body.fpt-otp-login-mode #customer_login .col-login form .fpt-woo-switch-login-otp,
body.fpt-otp-login-mode #customer_login .col-login form .fpt-woo-switch-login-otp + .fpt-sep {
    display: none;
}

body.fpt-otp-register-mode #customer_login .col-register form .form-row:not(.fpt-woo-register-phone):not(.fpt-woo-register-otp-row):not(.fpt-woo-register-profile-row):not(.fpt-woo-register-actions),
body.fpt-otp-register-mode #customer_login .col-register form .woocommerce-form-row:not(.fpt-woo-register-phone):not(.fpt-woo-register-otp-row):not(.fpt-woo-register-profile-row):not(.fpt-woo-register-actions) {
    display: none;
}

/* Loading spinner on Send OTP buttons */
button.fpt-loading {
    position: relative;
    padding-right: 2.4em;
}

button.fpt-loading::after {
    content: '';
    position: absolute;
    right: 0.65em;
    top: 50%;
    width: 0.9em;
    height: 0.9em;
    margin-top: -0.45em;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: #fff;
    border-radius: 50%;
    animation: fpt-spin 0.7s linear infinite;
}

@keyframes fpt-spin {
    to { transform: rotate(360deg); }
}