.otp-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.otp-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.55);
}
.otp-modal__box {
    position: relative;
    background: #fff;
    border-radius: 12px;
    width: 92%;
    max-width: 420px;
    padding: 28px 24px 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    z-index: 1;
}
.otp-modal__close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    color: #999;
}
.otp-modal__header h3 {
    margin: 0 0 6px;
    font-size: 20px;
}
.otp-modal__header p {
    margin: 0 0 20px;
    color: #666;
    font-size: 14px;
}
.otp-phone-info {
    background: #f5f7fa;
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 14px;
    text-align: center;
}
.otp-input-group label {
    display: block;
    font-size: 13px;
    margin-bottom: 6px;
    font-weight: 600;
}
.otp-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 22px;
    letter-spacing: 8px;
    text-align: center;
    border: 2px solid #ddd;
    border-radius: 8px;
    outline: none;
}
.otp-input:focus {
    border-color: #05141f;
}
.otp-error {
    color: #e74c3c;
    font-size: 13px;
    margin-top: 8px;
    min-height: 18px;
}
.otp-actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}
.otp-btn {
    flex: 1;
    padding: 13px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}
.otp-btn--send {
    background: #05141f;
    color: #fff;
}
.otp-btn--verify {
    background: #c8102e;
    color: #fff;
}
.otp-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.otp-timer {
    margin-top: 14px;
    text-align: center;
    font-size: 13px;
    color: #666;
}